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<!doctype html>
<html lang="en" class="no-js">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<meta http-equiv="x-ua-compatible" content="ie=edge">
<meta name="description" content="Kringlecon2 CTF Writeup">
<meta name="author" content="Salaheldinaz">
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<meta name="lang:clipboard.copied" content="Copied to clipboard">
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<meta name="twitter:title" content="Kringlecon2 CTF Writeup by Salaheldin" />
<meta name="twitter:description" content="My detailed technical write-up for KRINGLECON 2 CTF" />
<meta name="twitter:image:src" content="https://kringlecon2.salaheldin.online/images/kringlecon-cover.png" />
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<meta property="og:locale" content="en_US" />
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<meta property="og:type" content="website" />
<meta property="og:title" content="Kringlecon2 CTF Writeup by Salaheldin" />
<meta property="og:description" content="My detailed technical write-up for KRINGLECON 2 CTF" />
<meta property="og:url" content="https://kringlecon2.salaheldin.online/" />
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<link rel="shortcut icon" href="favicon.ico">
<meta name="generator" content="mkdocs-1.0.4, mkdocs-material-4.6.0">
<title>The Turtle Dove</title>
<link rel="stylesheet" href="assets/stylesheets/application.1b62728e.css">
<link rel="stylesheet" href="assets/stylesheets/application-palette.a8b3c06d.css">
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<style>body,input{font-family:"Ubuntu","Helvetica Neue",Helvetica,Arial,sans-serif}code,kbd,pre{font-family:"Ubuntu Mono","Courier New",Courier,monospace}</style>
<link rel="stylesheet" href="assets/fonts/material-icons.css">
<link rel="stylesheet" href="stylesheets/asciinema-player.css">
</head>
<body dir="ltr" data-md-color-primary="pink" data-md-color-accent="grey">
<svg class="md-svg">
<defs>
</defs>
</svg>
<input class="md-toggle" data-md-toggle="drawer" type="checkbox" id="__drawer" autocomplete="off">
<input class="md-toggle" data-md-toggle="search" type="checkbox" id="__search" autocomplete="off">
<label class="md-overlay" data-md-component="overlay" for="__drawer"></label>
<a href="#welcome-to-kringlecon-2" tabindex="1" class="md-skip">
Skip to content
</a>
<header class="md-header" data-md-component="header">
<nav class="md-header-nav md-grid">
<div class="md-flex">
<div class="md-flex__cell md-flex__cell--shrink">
<a href="." title="The Turtle Dove" class="md-header-nav__button md-logo">
<img src="images/logo.png" width="24" height="24">
</a>
</div>
<div class="md-flex__cell md-flex__cell--shrink">
<label class="md-icon md-icon--menu md-header-nav__button" for="__drawer"></label>
</div>
<div class="md-flex__cell md-flex__cell--stretch">
<div class="md-flex__ellipsis md-header-nav__title" data-md-component="title">
<span class="md-header-nav__topic">
The Turtle Dove
</span>
<span class="md-header-nav__topic">
Home
</span>
</div>
</div>
<div class="md-flex__cell md-flex__cell--shrink">
<label class="md-icon md-icon--search md-header-nav__button" for="__search"></label>
<div class="md-search" data-md-component="search" role="dialog">
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<form class="md-search__form" name="search">
<input type="text" class="md-search__input" name="query" placeholder="Search" autocapitalize="off" autocorrect="off" autocomplete="off" spellcheck="false" data-md-component="query" data-md-state="active">
<label class="md-icon md-search__icon" for="__search"></label>
<button type="reset" class="md-icon md-search__icon" data-md-component="reset" tabindex="-1">

</button>
</form>
<div class="md-search__output">
<div class="md-search__scrollwrap" data-md-scrollfix>
<div class="md-search-result" data-md-component="result">
<div class="md-search-result__meta">
Type to start searching
</div>
<ol class="md-search-result__list"></ol>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</nav>
</header>
<div class="md-container">
<main class="md-main" role="main">
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<a href="." title="The Turtle Dove" class="md-nav__button md-logo">
<img src="images/logo.png" width="48" height="48">
</a>
The Turtle Dove
</label>
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<input class="md-toggle md-nav__toggle" data-md-toggle="toc" type="checkbox" id="__toc">
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Home
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<label class="md-nav__title" for="__toc">Table of contents</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="#lets-travel" class="md-nav__link">
✨ Let's travel!
</a>
</li>
<li class="md-nav__item">
<a href="#map" class="md-nav__link">
🗺 Map
</a>
<nav class="md-nav">
<ul class="md-nav__list">
<li class="md-nav__item">
<a href="#to-zoom-and-check-the-details-please-download-the-full-quality-click-here" class="md-nav__link">
To zoom and check the details please download the full quality. click here:
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item">
<a href="#objectives" class="md-nav__link">
🏵 Objectives
</a>
</li>
<li class="md-nav__item">
<a href="#helping-the-elves-challenges" class="md-nav__link">
🎗Helping the elves Challenges
</a>
</li>
<li class="md-nav__item">
<a href="#the-answers" class="md-nav__link">
📟 The Answers
</a>
</li>
<li class="md-nav__item">
<a href="#the-end" class="md-nav__link">
🏆 The END
</a>
</li>
<li class="md-nav__item">
<a href="#extra" class="md-nav__link">
⚡️ Extra
</a>
<nav class="md-nav">
<ul class="md-nav__list">
<li class="md-nav__item">
<a href="#easter-eggs" class="md-nav__link">
Easter Eggs
</a>
</li>
<li class="md-nav__item">
<a href="#kringlcon-twitter-list" class="md-nav__link">
Kringlcon twitter list
</a>
</li>
<li class="md-nav__item">
<a href="#speakers" class="md-nav__link">
Speakers
</a>
</li>
<li class="md-nav__item">
<a href="#talks-videos" class="md-nav__link">
Talks videos
</a>
</li>
<li class="md-nav__item">
<a href="#credit" class="md-nav__link">
Credit
</a>
</li>
<li class="md-nav__item">
<a href="#narrative" class="md-nav__link">
Narrative
</a>
</li>
<li class="md-nav__item">
<a href="#resources" class="md-nav__link">
Resources
</a>
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Objectives
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<label class="md-nav__title" for="nav-2">
Objectives
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="objectives/objective0/" title="0 Talk to Santa in the Quad" class="md-nav__link">
0 Talk to Santa in the Quad
</a>
</li>
<li class="md-nav__item">
<a href="objectives/objective1/" title="1 Find the Turtle Doves" class="md-nav__link">
1 Find the Turtle Doves
</a>
</li>
<li class="md-nav__item">
<a href="objectives/objective2/" title="2 Unredact Threatening Document" class="md-nav__link">
2 Unredact Threatening Document
</a>
</li>
<li class="md-nav__item">
<a href="objectives/objective3/" title="3 Windows Log Analysis - Evaluate Attack Outcome" class="md-nav__link">
3 Windows Log Analysis - Evaluate Attack Outcome
</a>
</li>
<li class="md-nav__item">
<a href="objectives/objective4/" title="4 Windows Log Analysis - Determine Attacker Technique" class="md-nav__link">
4 Windows Log Analysis - Determine Attacker Technique
</a>
</li>
<li class="md-nav__item">
<a href="objectives/objective5/" title="5 Windows Log Analysis - Determine Compromised System" class="md-nav__link">
5 Windows Log Analysis - Determine Compromised System
</a>
</li>
<li class="md-nav__item">
<a href="objectives/objective6/" title="6 Splnuk" class="md-nav__link">
6 Splnuk
</a>
</li>
<li class="md-nav__item">
<a href="objectives/objective7/" title="7 Get Access To The Steam Tunnels" class="md-nav__link">
7 Get Access To The Steam Tunnels
</a>
</li>
<li class="md-nav__item">
<a href="objectives/objective8/" title="8 Bypassing the Frido Sleigh CAPTEHA" class="md-nav__link">
8 Bypassing the Frido Sleigh CAPTEHA
</a>
</li>
<li class="md-nav__item">
<a href="objectives/objective9/" title="9 Retrieve Scraps of Paper from Server" class="md-nav__link">
9 Retrieve Scraps of Paper from Server
</a>
</li>
<li class="md-nav__item">
<a href="objectives/objective10/" title="10 Recover Cleartext Document" class="md-nav__link">
10 Recover Cleartext Document
</a>
</li>
<li class="md-nav__item">
<a href="objectives/objective11/" title="11 Open the Sleigh Shop Door" class="md-nav__link">
11 Open the Sleigh Shop Door
</a>
</li>
<li class="md-nav__item">
<a href="objectives/objective12/" title="12 Filter Out Poisoned Sources of Weather Data" class="md-nav__link">
12 Filter Out Poisoned Sources of Weather Data
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-toggle md-nav__toggle" data-md-toggle="nav-3" type="checkbox" id="nav-3">
<label class="md-nav__link" for="nav-3">
Helping the elves
</label>
<nav class="md-nav" data-md-component="collapsible" data-md-level="1">
<label class="md-nav__title" for="nav-3">
Helping the elves
</label>
<ul class="md-nav__list" data-md-scrollfix>
<li class="md-nav__item">
<a href="helptheelves/challenge1/" title="Escape Ed" class="md-nav__link">
Escape Ed
</a>
</li>
<li class="md-nav__item">
<a href="helptheelves/challenge2/" title="Linux Path" class="md-nav__link">
Linux Path
</a>
</li>
<li class="md-nav__item">
<a href="helptheelves/challenge3/" title="Xmas laser cheers" class="md-nav__link">
Xmas laser cheers
</a>
</li>
<li class="md-nav__item">
<a href="helptheelves/challenge4/" title="Splunk - The training questions" class="md-nav__link">
Splunk - The training questions
</a>
</li>
<li class="md-nav__item">
<a href="helptheelves/challenge5/" title="Mongo Pilfer" class="md-nav__link">
Mongo Pilfer
</a>
</li>
<li class="md-nav__item">
<a href="helptheelves/challenge6/" title="Nyanshell" class="md-nav__link">
Nyanshell
</a>
</li>
<li class="md-nav__item">
<a href="helptheelves/challenge7/" title="Frosty Keypad" class="md-nav__link">
Frosty Keypad
</a>
</li>
<li class="md-nav__item">
<a href="helptheelves/challenge8/" title="Holiday Hack trail" class="md-nav__link">
Holiday Hack trail
</a>
</li>
<li class="md-nav__item">
<a href="helptheelves/challenge9/" title="Key Bitting" class="md-nav__link">
Key Bitting
</a>
</li>
<li class="md-nav__item">
<a href="helptheelves/challenge10/" title="Graylog" class="md-nav__link">
Graylog
</a>
</li>
<li class="md-nav__item">
<a href="helptheelves/challenge11/" title="Smart Braces" class="md-nav__link">
Smart Braces
</a>
</li>
<li class="md-nav__item">
<a href="helptheelves/challenge12/" title="Zeek JSON Analysis" class="md-nav__link">
Zeek JSON Analysis
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item">
<a href="terminals/" title="Terminals & Portals" class="md-nav__link">
Terminals & Portals
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<li class="md-nav__item">
<a href="#lets-travel" class="md-nav__link">
✨ Let's travel!
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🗺 Map
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🏵 Objectives
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<a href="#helping-the-elves-challenges" class="md-nav__link">
🎗Helping the elves Challenges
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<a href="#the-answers" class="md-nav__link">
📟 The Answers
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🏆 The END
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⚡️ Extra
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Easter Eggs
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Kringlcon twitter list
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Speakers
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Talks videos
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Credit
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Narrative
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Resources
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<h1 id="welcome-to-kringlecon-2">Welcome to KringleCon 2<a class="headerlink" href="#welcome-to-kringlecon-2" title="Permanent link">¶</a></h1>
<p>by <a href="https://twitter.com/salaheldinaz">Salaheldin</a></p>
<p><img alt="Cover" src="images/kringlecon-cover.png" /></p>
<hr />
<h2 id="lets-travel">✨ Let's travel!<a class="headerlink" href="#lets-travel" title="Permanent link">¶</a></h2>
<p>Go to <a href="https://www.holidayhackchallenge.com/2019/">the ticket shop</a> and buy you exclusive pass ticket for the event at <a href="https://2019.kringlecon.com/">the North Pole</a>
<img alt="Ticket" src="images/ticket.png" /></p>
<p>After arriving at the North Pole station, you will find Santa waiting for you there.</p>
<div class="admonition quote">
<p class="admonition-title">🎅 Santa Welcome You!</p>
<p>Welcome to the North Pole and KringleCon 2!<br/>
Last year, KringleCon hosted over 17,500 attendees and my castle got a little crowded.
We moved the event to Elf University (Elf U for short), the North Pole’s largest venue.<br/>
Please feel free to explore, watch talks, and enjoy the con!</p>
</div>
<p><img alt="Me" src="images/me.png" /></p>
<hr />
<h2 id="map">🗺 Map<a class="headerlink" href="#map" title="Permanent link">¶</a></h2>
<p>This a preview of a very high quality map for ELF University.</p>
<h3 id="to-zoom-and-check-the-details-please-download-the-full-quality-click-here">To zoom and check the details please download the full quality. <a href="/images/kringlecon-map.png">click here</a>:<a class="headerlink" href="#to-zoom-and-check-the-details-please-download-the-full-quality-click-here" title="Permanent link">¶</a></h3>
<p><img alt="Map" src="images/map.jpg" /></p>
<hr />
<h2 id="objectives">🏵 Objectives<a class="headerlink" href="#objectives" title="Permanent link">¶</a></h2>
<p>Check the objectives in your badge, You will have the 6 objectives then unlock new objective by talking to the elves you find in the university:</p>
<table>
<thead>
<tr>
<th>Objective</th>
<th>Type</th>
<th>Location</th>
<th align="center">Tools</th>
</tr>
</thead>
<tbody>
<tr>
<td><a href="/objectives/objective0"><strong>0/ Talk to Santa in the Quad</strong></a></td>
<td>Talk</td>
<td>The Quad</td>
<td align="center"></td>
</tr>
<tr>
<td><a href="/objectives/objective1"><strong>1/ Find the Turtle Doves</strong></a></td>
<td>Explore</td>
<td>The student union</td>
<td align="center"></td>
</tr>
<tr>
<td><a href="/objectives/objective2"><strong>2/ Unredact Threatening Document</strong></a></td>
<td>Explore</td>
<td>The Quad</td>
<td align="center"></td>
</tr>
<tr>
<td><a href="/objectives/objective3"><strong>3/ Windows Log Analysis</strong>: Evaluate Attack Outcome</a></td>
<td>Logs Analysis</td>
<td><a href="https://downloads.elfu.org/Security.evtx.zip">The event log data</a></td>
<td align="center">DeepBlueCLI</td>
</tr>
<tr>
<td><a href="/objectives/objective4"><strong>4/ Windows Log Analysis</strong>: Determine Attacker Technique</a></td>
<td>Logs Analysis</td>
<td><a href="https://downloads.elfu.org/sysmon-data.json.zip">The normalized Sysmon logs</a></td>
<td align="center">EQL</td>
</tr>
<tr>
<td><a href="/objectives/objective5"><strong>5/ Windows Log Analysis</strong>: Determine Compromised System</a></td>
<td>Logs Analysis</td>
<td><a href="https://downloads.elfu.org/elfu-zeeklogs.zip">Zeek logs</a></td>
<td align="center">RITA</td>
</tr>
<tr>
<td><a href="/objectives/objective6"><strong>6/ Spunk</strong></a></td>
<td>SOC</td>
<td><a href="https://splunk.elfu.org/">Splnuk Server</a></td>
<td align="center">Splunk</td>
</tr>
<tr>
<td><a href="/objectives/objective7"><strong>7/ Get Access To The Steam Tunnels</strong></a></td>
<td>Multi</td>
<td>Minty's dorm room</td>
<td align="center">Multi</td>
</tr>
<tr>
<td><a href="/objectives/objective8"><strong>8/ Bypassing the Frido Sleigh CAPTEHA</strong></a></td>
<td>Machine Learning</td>
<td><a href="https://fridosleigh.com">fridosleigh</a></td>
<td align="center">Python</td>
</tr>
<tr>
<td><a href="/objectives/objective9"><strong>9/ Retrieve Scraps of Paper from Server</strong></a></td>
<td>SQL Injection</td>
<td><a href="https://studentportal.elfu.org/">Student Portal</a></td>
<td align="center">Sqlmap</td>
</tr>
<tr>
<td><a href="/objectives/objective10"><strong>10/ Recover Cleartext Document</strong></a></td>
<td>Reverse Engineering</td>
<td><a href="https://downloads.elfu.org/elfscrow.exe">elfscrow app</a></td>
<td align="center">IDA</td>
</tr>
<tr>
<td><a href="/objectives/objective11"><strong>11/ Open the Sleigh Shop Door</strong></a></td>
<td>Web Dev</td>
<td><a href="https://crate.elfu.org/">Carte</a></td>
<td align="center">Web Dev</td>
</tr>
<tr>
<td><a href="/objectives/objective12"><strong>12/ Filter Out Poisoned Sources of Weather Data</strong></a></td>
<td>Logs Analysis</td>
<td><a href="https://srf.elfu.org/">SLEIGH ROUTE FINDER API</a></td>
<td align="center">jq</td>
</tr>
</tbody>
</table>
<hr />
<h2 id="helping-the-elves-challenges">🎗Helping the elves Challenges<a class="headerlink" href="#helping-the-elves-challenges" title="Permanent link">¶</a></h2>
<p>As we walk around, we can find various challenges, and as we talk to the elves standing near them, we get some hints.</p>
<table>
<thead>
<tr>
<th>Challenge</th>
<th align="center">Type</th>
<th align="center">Direct Url</th>
<th>Elf</th>
<th>Location</th>
</tr>
</thead>
<tbody>
<tr>
<td><a href="/helptheelves/challenge1"><strong>1 Escape Ed</strong></a></td>
<td align="center">Ed editor</td>