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cerealbox Steve Ocepek <email@example.com> http://www.spiderlabs.com INTRODUCTION ============ cerealbox is an Arduino-based network monitor. REQUIREMENTS ============ This code should run on any Arduino board with 2k SRAM equipped with Colors Shield, or the all-in-one Colorduino board. Both Colorduino and Colors Shield are available from iTead Studio. Colorduino does not include a USB port, so novices (like me) should use the Colors Shield + Arduino Uno. http://iteadstudio.com/ Test/Dev system is: Ardunio Uno, Colors Shield, 8x8 round LED matrix (iTead) The Colorduino library by Lincomatic is required and can be found here: http://blog.lincomatic.com/?p=148 Also included is cb.pl, a sniffer that provides network session data to the Arduino over USB. Perl requirements for cb.pl include: Net::Pcap NetPacket (Ethernet,IP,TCP,UDP) Geo::IP Device::SerialPort USAGE ===== Arduino ------- Load cerealbox.pde or meter.pde onto Arduino using the Arduino IDE. cerealbox.pde displays a dot for each open session, color-coded to the Country Code of the remote host. meter.pde shows types of sessions being established in an "equalizer" type view. RED - Web (80,443,8080) BLUE - DNS GREEN - Remote protocols (SSH,Telnet,RDP) YELLOW - Mail protocols (POP3,SMTP,IMAP,LDAP) PURPLE - File protocols (FTP,SMB,AFP,LPR) ORANGE - Other ports, under 10000 CYAN - Other ports, over or equal to 10000 WHITE - Local hosts Perl ---- This program requires root privileges to sniff packets. cb.pl (net_device) (src_ipaddr) (serial_device) [dns] net_device is the network device to listen on, ex. eth0 - Running cb.pl without args will show all available interfaces src_ipaddr is the source IP address of the host to be monitored. - In normal cases, this will be the host's own IP address - Could be used to sniff another host's traffic in cases where traffic is visible (i.e. MITM, ethernet tap, wireless) serial_device is the USB serial device that the Arduino is using, ex: - /dev/ttyUSB0 on Linux Or whichever was assigned to Arduino, use dmesg to find out - /dev/tty.usbmodem262312 on Mac OS X Use ls /dev/tty.usbmodem* to find this Untested on Windows, not sure whether Device::SerialPort can handle COM: ports dns specifies that DNS sessions should be tracked and displayed - Useful for meter mode, but this traffic tends to fill up session mode (cerealbox.pde) very quickly COPYRIGHT ========= cerealbox - Arduino-based network monitor Created by Steve Ocepek Copyright (C) 2011 Trustwave Holdings, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>