ekoparty CTF rev100, rev300

rev100 This challenge asks for a password. It's called count. So I started by counting the number of instructions executed and it seems it's vulnerable to »

dctf r400

This challenge asks for a password. We see that it calls getenv to check for LD_PRELOAD, ptrace which are used to detect if a processes »

dctf r300

This challenge asks for username and password, we need to get the username for 'Administrator'. The binary has code that does not allow you to do »

NDH2k15 updator writeup

Updator was an exploitation challenge worth 200 pts. A URL is given when we access it we're asked to enter a username/password, and there's a »