DEF CON CTF Qualifier 2012
11 challenges with 13 published community solutions between them. Solution links go to CTFtime’s task page, which aggregates every writeup for a challenge - individual blog posts rot, the aggregator does not.
Full task list on CTFtimeBinary exploitation4
Turn a memory-safety bug in a native binary into control of execution. Usually a stack overflow, a format string, or a heap primitive.
- bin
Same technique in picoCTF: Guessing Game 1, x-sixty-what, format string 3
- bin
Same technique in picoCTF: Guessing Game 1, x-sixty-what, format string 3
- bin
Same technique in picoCTF: Guessing Game 1, x-sixty-what, format string 3
- bin
Same technique in picoCTF: Guessing Game 1, x-sixty-what, format string 3
Reverse engineering4
Work out what a compiled program does without its source, then work backwards from the check to the input that passes it.
- reverse engineering
Same technique in picoCTF: WinAntiDbg0x100, WinAntiDbg0x200, WinAntiDbg0x300
- reverse engineering
Same technique in picoCTF: WinAntiDbg0x100, WinAntiDbg0x200, WinAntiDbg0x300
- reverse engineering
Same technique in picoCTF: WinAntiDbg0x100, WinAntiDbg0x200, WinAntiDbg0x300
- reverse engineering
Same technique in picoCTF: WinAntiDbg0x100, WinAntiDbg0x200, WinAntiDbg0x300
Forensics3
Recover something from a file, a capture, or a disk image - often from a part of it the format says is unused.
- forensics
Same technique in picoCTF: FindAndOpen, c0rrupt, extensions
- forensics
- gpg
Same technique in picoCTF: FindAndOpen, c0rrupt, extensions
- zpool
- forensics
Same technique in picoCTF: FindAndOpen, c0rrupt, extensions