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Anti-debugging tricks revealed – Defcon CTF Qualifications 2009: Bin300 Analysis
Introduction
A while ago I stumbled upon an awesome write-up of a very nice CTF challenge created by sapheads:
http://hackerschool.org/DefconCTF/17/B300.html
I love cartoons, and I love reversing, so I decided to play a little bit with that binary (b300.exe) which was a lot of fun.
Because some interesting anti-debugging tricks were implemented into the binary, I decided to make a short video about the reversing process.
First of all, thanks to KorUPt and Sapheads (http://www.sapheads.org) for the awesome cartoon.
At the time of creating this video, the binary and KOrUPt’s write-up are available here:
http://www.rohitab.com/discuss/index.php?app=core&module=attach§ion=attach&attach_id=2736
Finally, thanks to Defcon and DDTek for this great challenge !
Enjoy!
Video
You can view a full screen version here
You can download the movie here
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