Yup, this was done in this years USENIX with AMD microcode. See the exploits that check for magic register values at [0] and the paper at [1]. [0]: https://git

Yup, this was done in this years USENIX with AMD microcode. See the exploits that check for magic register values at [0] and the paper at [1]. [0]: https://github.com/RUB-SysSec/Microcode/tree/master/updates https://github.com/RUB-SysSec/Microcode/tree/master/updates [1]: http://syssec.rub.de/research/publications/microcode-reversing/ http://syssec.rub.de/research/publications/microcode-reversi...