Defcon was finally here and I was so totally pumped for it. When it dropped, so did my jaw, it wasn’t going to be easy. That’s for sure. Defcon had some of the evilest, trickiest challenges I’ve ever faced in a CTF. And it was super fun because of it.
ASIS CTF 2015 - simple_algorithm - 100 point Crypto Challenge
Volga CTF 2015 - Captcha - 150 point Stego challenge
Volga CTF 2015 - carry - 500 point Crypto Challenge
CONFidence CTF 2015 - So Easy - Reversing 100 Point Challenge