Carter Yagemann

I'm a computer scientist and cybersecurity researcher. My interests include hacking, system design, and software engineering.

#x86 Articles


  • Tue 21 March 2017
  • Linux

Intel Processor Trace, execvp, and ptrace

Lately, I've been playing around with Intel Processor Trace (PT); a x86 hardware feature that allows for complete tracing of process control flows. As part of my research, I've been developing my own Linux driver and user program to control PT. Tracing can be configured using a handful of model …

  • Mon 30 January 2017
  • Linux

Getting the CR3 value for a PID in Linux

Writing low level code can be difficult due to the lack of examples on the internet. The answer is generally sitting somewhere in a 3,000 page manual where only the most dedicated programmers will find it. Last week I had such an experience. Currently my research involves a lot …