Welcome to the final Panda Challenge. This is the hard one; let's see who can solve it first. In the medium one we had just…

  As I promised, this challenge was going to be quite more difficult. Here you have the solution: The file we created is a program…

Welcome to the 2nd Panda Challenge. As promised, this will be harder. In the previous one we had more than 1 thousand downloads and just…

First of all, let me thank you all for having participated in this challenge. The solution to this challenge is described below: The binary was…

A few days ago the Koobface worm started to appear on Twitter.  Today, the Koobface worm returns by hijacking several Twitter user accounts to assist…

Arrizen has been the creator of this challenge. I've got the full explanation, and even though he says it’s really easy, I'm not that sure…

It's summer time, daylights are longer and we have some extra spare time to enjoy doing some reversing, don't you think? Some weeks ago we…