Reverse engineering like this is black magic to me. The writeup is good. It's detailed and I could follow along with what the author was doing even though I'm too stupid to ever attempt something like this. Nice job author.
Reverse engineering the way they do it is very satisfying and time consuming. If you want the same results but without the sweat, LLMs are the way to go now. They eat this kind of stuff for lunch. You could literally ask one for a table with all the CAN bus messages and it would figure it out.
Clearly you are in the past. I have reverse engineered some very difficult undocumented things. I can not go in to details but these were heavily hardened hardware. Custom SoC. of course without datasheets, involved multiple different levels of encryption and architectures of connected devices, broke all of it. All that is left is cryptocell pwn.
There's also the matter of police accessing this massive data trove "for personal purposes, including tracking romantic partners, relatives or acquaintances."
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