Malware and Reversing (15)

Honeynet Workshop 2011

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
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Codegate 2011 CTF - Binary200 - Anti Debugging Techniques Explained

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
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Anti-debugging tricks revealed - Defcon CTF Qualifications 2009: Bin300 Analysis

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
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The Honeypot Incident - How strong is your UF (Reversing FU)

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
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Malicious pdf analysis : from price.zip to flashplayer.exe

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
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