Now that we know where the firmware starts, we want to find how button presses are handled and where it might handle the APDU commands. research: https://wallet.fail/ AVR Firmware: https://www.youtube.com/watch?v=hyoPAOTrUMc ZetaTwo: null DISCLAIMER: The security research shown here was done a while ago and since then the software and hardware was updated; These videos are not sponsored or endorsed by Ledger. =[ ❤️ Support ]= → per Video: https://www.patreon.com/join/liveoverflow → per Month: null =[ 🐕 Social ]= → Twitter: https://twitter.com/LiveOverflow/ → Website: https://liveoverflow.com/ → Subreddit: https://www.reddit.com/r/LiveOverflow/ → Facebook: https://www.facebook.com/LiveOverflow/ =[ 📄 P.S. ]= All links with "*" are affiliate links. LiveOverflow / Security Flag GmbH is part of the Amazon Affiliate Partner Programm. #ReverseEngineering #HardwareSecurity