OBD2 and UDS services over Canbus
A canbus message (ignoring for a moment multi-frame messages) can transmit/receive 8 data bytes. When requesting OBD2/UDS services over canbus the request...
Recent Posts
Analyzing Canbus operation
Looking into the OBD2 implementation at an early stage is beneficial, since it can help identify key variables in the code. Mode 1 for reading current data w...
Analyzing a new firmware file - getting started
In this post, we will start to analyze an AJ27 CPU firmware file.
Annotating a firmware file in Ghidra
In this post, we will look into more detail of an AJ27 CPU firmware file. We will review how to add appropriate memory blocks and address labels to make the ...
Writing a Ghidra Loader
To create a loader in Ghidra, we will need to use the Eclipse IDE with GhidraDev installed (see post on “Writing a Ghidra processor specification part 1” for...