After having breakfast, chatting with ping and hanging out with @kokanin, @xme and @wimremes, it was time to start attending the various talks. So, as promised in yesterdays preview, what follows is the report of my first day at Black Hat Europe 2011. Read more

Things change. 11 months have passed since a lot of people found themselves trapped all over Europe (including Barcelona) because of a little volcano ash cloud thingy. This is 2011. This time BlackHat anticipated and outsmarted nature by rescheduling the Europe briefings to march (instead of april). 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

After spending a few hours fighting a battle against Snorby and Apache2 + Passenger, I finally managed to get it to run properly on my Ubunty 10.x box (32bit). Looking back, I figured I might not be the only one who is having issues with this. So I decided to publish the notes I took while setting everything up, and as a little bonus, explain how to install and configure Suricata as well (configured in combination with barnyard2 which will pick up local logs and send them to the remote MySQL server). 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

Interested in capturing, documenting and analyzing scans and malicious activity, Corelan Team decided to set up a honeypot and put it online. In the first week of december 2010, Obzy built a machine (default Windows XP SP3 installation, no patches, firewall turned off), named it "EGYPTS-AIRWAYS", set up a honeypot + some other monitoring tools, and connected it to the internet. Read more

Yesterday, sickn3ss (one of the frequent visitors of the #corelan channel on freenode IRC) posted a really interesting question.

The question

While testing ROP gadgets, as part of the process of building a DEP bypass exploit for WM Downloader, Read more

Special Thanks:

To my wife for putting up with my crap. Also SolarWinds for keeping an open communication while fixing the issue. And of course… Corelan Team 😛

Audio:

Many thanks to DJ Great Scott for supplying me with Read more

This morning, my generic attachment filter for MS Exchange reported that about 100 emails were put in quarantine because they contained a small zip file. When looking inside the zip file, I found a small pdf file… I immediately figured this file was up to no good, so it was time to get my hands dirty :) Read more

Introduction

I’m excited and honored to be able to announce that Sud0, one of our Corelan Team members, has won the Offensive Security Exploit weekend, an exploiting exercise only available to Offensive Security certified alumni.

The challenge Read more