ictf - A little birdie once told me... (pwn)

brute force canary; fork()

dctf - Formats Last theorem (pwn)

Full RELRO FSB, malloc/free_hook

dctf - Hotel ROP (pwn)

PIE binary, Return 2 LIBC

3kCTF - Masterc (pwn)

Stack Canary, Master Canary