webstersprodigy.net

http://crackmes.de/users/d0min4ted/keygenme_by_d0min4ted/ In case the link goes away, here is a zip of the executable. crackme I cheated on this one and used reflector. This was an excuse for me to try reflector out… so I started with that in mind. The Checking code ends up being in crackme->WindowsFormsApplication4->Form1. You can deduce what most the buttons do. [...]

Defcon 16 was a lot of fun. There were a lot of fun challenges, but my favorite was probably the wargames revereme in open capture the flag.

Windows reverseme – nothing tricky, just a sort of complicated validation process. The easiest thing in the world is to get this thing to validate. Just run it and put a breakpoint at 00401288, and look at the value in 00406749. That’s it! You’re validated.