Presence at 2012

Thu 18 October 2012 by Sebastien DUDEK

Just a quick post to let you know that, as some people may already have noticed, we will be present at 2012!

In this talk, we will talk about GSM Protocol Stack and techniques we usually use to find vulnerabilities on new smartphones. You will also see the ...

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Mon 02 July 2012 by jj

For the third year we had the chance to participate to REcon 2012.

Here is a summary of the most intelligible talks.

The case for semantics-based methods in reverse engineering

Rolf Rolles started the conference on his predilection subject, semantic analysis of code.

A lengthy introduction reminded us that semantic ...

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Some feedback from the HITB 2012 conference

Wed 20 June 2012 by cedric

Recently, HITB 2012 took place in Amsterdam (Okura Hotel) and some of us attended.

Impressed by the quality of the conference, we will try to summarize here all presentations that we attended.Also, Sogeti NL organized three challenges (Web application, WiFi and Social Engineering).

Windows RunTime

Sébastien RENAUD and Kévin ...

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Some feedback from the 28C3 conference

Fri 13 January 2012 by cedric

Here is a summary of the talks I attended during CCC. The talks were given in 3 simultaneous tracks, so some choices had to be made. All in all, this is one of the best conferences I attended and I can only recommend it. The slides will be made available ...

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Retours sur le 28C3

Mon 09 January 2012 by cedric

Voilà un résumé des conférences auxquelles j'ai assisté. Les planches seront rendues disponibles au fur et à mesure. Les conférences sont réparties sur 3 salles en simultané, il a donc fallu faire des choix. Globalement, c'est une des meilleures conférences auxquelles j'ai pu assister, je ne peux ...

read more CTF 2011 Write-up : Scotty's last signal

Tue 27 September 2011 by jj

Another writeup for the excellent 2011 Capture The Flag contest. This one was very unusual, based on a patched NES rom of Super Mario Bros 1.

Scotty's last signal

You might have heard about Montgomery Scott, the legendary chief
engineer of the U.S.S. Enterprise. What ...
read more CTF 2011 Write-up : FluxScience

Mon 26 September 2011 by JB

This was probably one of the most entertaining challenges of this CTF.A file data.flux is provided. The goal is to analyze a Windows binary to be ableto decrypt this file.

A few informations are given:

Thanks to a former employee of FluxScience (one of our competitors), wemanaged to ...
read more CTF 2011 Write-up : Romulan Business Network

Thu 22 September 2011 by guillaume

Once again, we participated in the Capture-The-Flag event organized by the FluxFingers team at Just like last year's CTF, the challenges were fun and original, and we finished up first after 48 hours of rude competition. The challenge here consisted in a little PDF crackme to solve ...

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Rushing Recon 2011!!!

Fri 29 July 2011 by alex

Hi everyone,

In the beginning of July, several people from our lab were in Montreal for the Recon conference, where we gave four talks. We really enjoyed our time there. The panel of talks was, once again, amazing. It was an opportunity to meet great people, and to enjoy beers ...

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Training at CanSecWest 2011: Advanced binary deobfuscation

Thu 03 February 2011 by jj

Yoann 'jj' Guillot will also be giving a course about advanced binary deobfuscation, during the next CanSecWest Dojo session in Vancouver (March 7th/8th).

The course will teach you how to overcome state-of-the-art binary obfuscation.

You will see, and learn to defeat :

  • traditional junk,
  • arithmetic code hiding,
  • code flattening,
  • and ...
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