This time the DefCon CTF challenges were really tough. After about 40 hours of straight effort in those 2 days my head was spinning. There were some nice write-ups that people have posted:
Vedagodz’s site is up at :
Pursuits Trivial 400 writeup :
Binary l33tness 300 writeup : (based on k0rupt’s original work)
Crypto badness 400 :