Posts:

In less than a week from now, Hack In The Box Amsterdam will open its 2012 edition. The conference will take place in the Okura Hotel, and features 3 days of training, 2 days of quad-track talks, a CTF and HackWEEKDAY, a 12 hour hackathon hosted alongside the actual confererence. The line-up looks promising... Read more

In this post, we'll look at an application reversing challenge from HTS (hackthissite.org) resembling a real-life protection scheme. Put simple, the program creates a key for your username, and compares it to the one you enter. The goal of the HTS challenge is to create a key generator, but I just want to demonstrate how to retrieve the password. Read more

Today we will have a look at a CTF binary from HITB pre qualifications CTF 2011. This is an interesting binary to reverse because Vectored Exception Handling (VEH) was used in the challenge... Read more

March 21th I was in Paris for the annual Honeynet Workshop. For the first time this year there was a conference day accessible to the general public. Moreover, I didn't have to pay the registration fee since I successfully completed one of the Honeynet Forensics challenges. The day was split in 4 sessions and had talks covering the Honeynet projects, malware, and ethical and legal considerations of tracking botnets and eventual take-downs. Read more

Aloha, Again I stumbled upon a nice reverse-me, binary200 from the Codegate 2011 CTF. And again there are some really interesting anti-debugging tricks implemented, so I decided to produce another video. Read more

A while ago I stumbled upon an awesome write-up of a very nice CTF challenge created by sapheads: http://hackerschool.org/DefconCTF/17/B300.html I love cartoons, and I love reversing, so I decided to play a little bit with that binary (b300.exe) which was a lot of fun. Because some interesting anti-debugging tricks were implemented into the binary... Read more

For anyone interested, this is _sinn3r's and tecr0c's writeup of the steps they took to own 4 out of the 5 machines in last weekend's HSIYF - Hacking for Charity cyber hacking challenge ... Read more

Last weekend, Offensive Security hosted their second cyber hacking challenge, called "HSIYF For Charity".

The goal of this challenge was to raise money for Johnny Long’s  "Hackers for Charity" project, a charity organization that tries to feed Read more

Hi,

Over the last 2 days my friends from Corelan Team and I participated in a Hacking Tournament, organized by Offensive Security.  The primary goals of the tournament are :

• be the first one to grab “secret” Read more