Question: Noughts and crosses 300 Points Solve the puzzle! tictactoe.final2012.ghostintheshellcode.com:9797
Tag: 2012
Jan 30
Gits 2012 #19 – Crypto 250
Question: SuperSecure 250 Points Use your team name and generate a valid answer. (File) Summary: xor-chained sha256 and sha512
Jan 27
MozillaCTF 2012 AwesomeCorp. Secured Ranges (300) Writeup
One evening, you decide to take a look at the website of Awesome Corp., a competitor which you suspect of reverse-engineering parts of your software and using these code pieces in their own product. Unfortunately, you got no proof, so you begin to investigate on your own. Soon enough (insert random webhacking stuff here), you …
Jan 26
MozillaCTF 2012 SecureFileLock (250) Writeup
This very secure locking mechanism encloses files and only gives them to you when you know the passphrase. Find it and you will have the flag. Category: reversing Summary: find out a xor cipher, use xortool to get the key
Jan 21
HackIM 2012 Wormholing Write-up
Hey! This is the writeup on wormholing. Essentially, it allows you to score 1st place without solving any tasks :)
Jan 08
GitS 2012 Teaser AL’s Revenge
Category: reverse, crypto Summary: LLVM bytecode with polynomial inversion file