Defcon 17 QUALS - Forensics 300

Question: say my name cuz i got pain when i tried to get gain.

File attached: a powerpoint presentation (this is forensics after all...)

The file contained slides with useless base64 comments and images which also contained useless base64 comments (cf. http://forensic-proof.com/archives/495).

Defcon 16 CTF - Krypto

Krypto is a dynamically linked and not stripped ELF binary which listens on port 20020. Connection to this port does not return any information.

Defcon 16 QUALS - Binary Leetness 400

We are provided with an unknown binary. We are informed that it is running on Kenshoto's server. The goal is to understand what this binary does, and use this knowledge on the Kenshoto FreeBSD 6.x server to get a secret key.