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… Continue reading »


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