Thursday, September 24, 2015

Writeup - CSAW 2015 : Crypto 50 - whiter0se



level140

White rose presents us with a broken m4v file, which becomes readily obvious when opening it up in HxD.  HxD shows us that the content of the file is:


 

Work smarter, not harder: http://www.quipqiup.com/index.php is a great cryptogram solver by Edwin Olson which I’ve used to solve a bunch of similar challenges.  When you put the content of whiter0se in quipquip, it kicks back the flag!