Stream is archived here (two parts since it crashed): https://www.youtube.com/watch?v=cUVuTBH51GY …https://www.youtube.com/watch?v=nevJHGFx0yA …
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Replying to @marcan42
Thank you for these videos! I learned quite a bit. Do you have any recommendations to reverse a Vendor Specific Class without access to a driver? The device I'm playing with is a USB GPS unit for a car head unit so my backup plan is to get an OpenVizsla and power up the head unit
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My backup backup plan is to find the firmware for my head unit and see if I can figure anything out from it, but the manufacturer seems to have removed the firmware downloads :(
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I think your backup plans are what I'd do. Blackbox reversing an unknown interface is pretty difficult; you could try brute forcing comands but it's not that likely to work.
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