https://RichardA-C.github.io
rdbg on Github Introduction Writing a custom debugger can be very useful for many program analysis tasks. MSDN provides a useful template which I ended up using many times including in my Triage...
Introduction This article describes how I harnessed and fuzzed a closed-source Windows program. Doing so, I found a few zero-days and got paid my first bounty ever! Target selection To select...
Introduction S1de Ch4nnel was a challenge at NorzhCTF 2021. You can download the challenge here and my commented solution there. Challenge presentation When we ssh into the machine we are ...
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Clearing up Windows SEH exploitation