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CANalyzat0r

This software project is a result of a Bachelor's thesis created at SCHUTZWERK in collaboration with Aalen University by Philipp Schmied.
Please refer to the corresponding blog post for more information.

Why another CAN tool?

• Built from scratch with new ideas for analysis mechanisms
• Bundles features of many other tools in one place
• Modular and extensible: Read the docs and implement your own analysis mechanisms
• Comfortable analysis using a GUI
• Manage work in separate projects using a database
• Documentation: Read the docs if you need a manual or technical info.

Installing and running:

• Run sudo ./install_requirements.sh along with sudo -E ./CANalyzat0r.sh. This will create a folder called pipenv with a pipenv environment in it.
• Or just use the docker version which is recommended at this time (Check the README.md file in the subdirectory)

For more information, read the HTML or PDF version of the documentation in the ./doc/build folder.

Features

• Manage interface configuration (automatic loading of kernel modules, manage physical and virtual SocketCAN devices)
• Multi interface support
• Manage your work in projects. You can also import and export them in the human readable/editable JSON format
• Logging of all actions
• Graphical sniffing
• Manage findings, dumps and known packets per project

• Easy copy and paste between tabs. Also, you can just paste your SocketCAN files into a table that allows pasting

• Threaded Sending, Fuzzing and Sniffing 

• Sniffing at the same time

Add multiple analyzing threads on the GUI

Ignore packets when sniffing - Automatically filter unique packets by ID or data and ID

Compare dumps

Allows setting up complex setups using only one window

Clean organization in tabs for each analysis task

Binary packet filtering with randomization

Search for action specific packets using background noise filtering

SQLite support

Fuzz and change the values on the fly

Testing It
You can use the Instrument Cluster Simulator in order to tinker with a virtual CAN bus without having to attach real CAN devices to your machine.

Troubleshooting

Empty GUI Windows
Please make sure that the QT_X11_NO_MITSHM environment variable is set to 1. When using sudo, please include the -Eoption in order to preserve this environment variable as follows: sudo -E ./CANalyzat0r.sh.

Fixing the GUI style
This application has to be run as superuser. Because of a missing configuration, the displayed style can be set to an unwanted value when the effective UID is 0. To fix this behaviour, follow these steps:

• Quick way: Execute echo "[QT]\nstyle=CleanLooks" >> ~/.config/Trolltech.conf
• Alternative way:
  
  • Install qt4-qtconfig: sudo apt-get install qt4-qtconfig
  • Run qtconfig-qt4 as superuser and change the GUI style to CleanLooks or GTK+
• Or use the docker container

Download CANalyzat0r