Tuesday, October 28, 2008

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.

Friday, June 6, 2008

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.