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Posts tagged with: Anti-debugging

Debbuging Code by Modifying an EXE

So moving on to a relatively advanced API based debugger detection or anti-debugging techniques, i am going to today discuss the implmentation of ZwSetInformationThread routine. Now this is an undocumented win32 API and we need to get a pointer to the function inside a library and then make a call to the function. The very first implementation is as follows (by the way I code on Code:Blocks 12.11): Continue Reading

CheckRemoteDebuggerPresent API


I am currently working on anti-debugging techniques which will also be my project for this year in college.Though i know for a fact  most basic anti-debug techniques are  API based techniques, but i am still doing this post because firstly i did not find any working code and whatever non-working code was present was also implemented locally… By the way I am really impressed by the work compiled by Tyler Shields in 2009 and he has put up some of the best resources out there!

This post is basically about one of those standard API’s > CheckRemoteDebuggerPresent function. Continue Reading