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Published on May 10th, 2016📅

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CANToolz aka YACHT (Yet Another Car Hacking Tool) – Framework for Black-Box CAN Network Analysis

CANToolz is a framework for analysing CAN networks and devices. This tool based on different modules which can be assembled in pipe together and can be used by security researchers and automotive/OEM security testers for black-box analysis and etc. You can use this software for ECU discovery, MITM testing, fuzzing, bruteforcing, scanning or R&D testing and validation.
This platform is a try to unify all needed tricks/tools and other things that you can do with CAN bus in one place. I have found, that there are many tools available, from Charlie Miller and Chris Valasek tools to UDS/CAN tools by Craig Smith.
More details and use-case published in the blog See wiki (currently in dev.): WIKI
Using a Hardware
CANToolz can work with CAN network by using next hardware:
  1. USBtin
  2. CANBus Triple
Fast start
sudo python cantoolz.py -g w -c examples/can_sniff.py
Then use browser and connect to https://localhost:4444
Modules
  • hw_CANBusTriple – IO module for CANBus Triple HW
  • hw_USBtin – IO module forUSBtin
  • mod_firewall – module for blocking CAN message by ID
  • mod_fuzz1 – Simple ‘Proxy’ fuzzer (1 byte) Can be combined with gen_ping/gen_replay
  • mod_printMessage – printing CAN messages
  • mod_stat – CAN messages statistic (with .csv file output) Analysis option (c mod_stat a) will try to find UDS/ISO TP messages
  • gen_ping – generating CAN messages with chosen IDs (ECU/Service discovery)
  • gen_replay – save and replay packets
P.S. of course we are working on supporting other types of I/O hardware and modules. Please join us! Main idea that community can produce different modules that can be useful for all of us 8)

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Dependencies
python 3.4
pip install pyserial
Last stable release for Python 2.7: https://github.com/eik00d/CANToolz/tree/Python_2.7_last_release
Usage Examples
See more use-cases inside examples folder:
  • CAN Switch filter scanner Checking which CAN frames can be passed from diagnostic interface to HU and back
  • MITM with firewall (ECU ID detection) Checking what packets are responsible for chosen “action”
  • Replay discovery Checking what packets are responsible for chosen “action”
  • Ping discovery ( with ISO TP and UDS support) UDS detection and etc
And many other options possible. Just use modules as “needed”. Example with DIFF mode, to find door unlock commands.

 

Download CANToolz aka YACHT








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