Anatomy of a GDB anti-debug trick

Well, it seems this is the GDB post season! The past days have been dedicated to mess around with GDB source code and today I have what I think it’s a nice story to tell.
After hacking off my old wish of having the disassembly raw bytes to be printed (…

Well, it seems this is the GDB post season! The past days have been dedicated to mess around with GDB source code and today I have what I think it’s a nice story to tell.
After hacking off my old wish of having the disassembly raw bytes to be printed (like Ollydbg, Softice, IDA, otx, etc…) I was interested in trying to fix one anti-debug trick. This presentation by nemo shows an anti-debug trick that works against GDB and others.


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