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Black Hat Asia 2014 - Dude, WTF in My CAN!

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Published on Apr 3, 2014

By: Alberto Garcia Illera & Javier Vazquez Vidal

In our previous presentation, we learned how did the security in some car ECUs work, and we demonstrated how it could be bypassed to modify their internal parameters, and even to recover a bricked ECU. All of this was done over K-Line, a protocol that was used on all vehicles up to 2010. This time, we will go one step further, introducing the security existing in modern CAN bus enabled vehicles, and of course, how it can be bypassed. We will show a custom made tool that costs less than $20 to build and that is able to access the CAN bus system, giving the possibility of taking control over a CAN enabled vehicle remotely just by hooking four wires.

Besides this, we will talk about a very interesting topic, car forensics, giving an overview of the current situation of this field. A demonstration will be done that will show how the gathered data can be used for legal purposes, and the project for a tool to extract and parse this information will be introduced.

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