Frédéric Guihéry

@_sygus

IT Security Engineer interested in static and dynamic analysis, reverse engineering, protocol learning, system hardening. Works at /

Rennes
Joined June 2010

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  1. Jan 30

    The right spot for today.

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  2. Feb 1

    Some infosec knowledge is useful for months (knowledge of a given campaign), other knowledge, for years, (TTPs), other knowledge, for decades (the halting problem). Here's a "Pyramid of Pain" (cc/ ) inspired model of knowledge in cyber I find useful for myself.

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  3. Jan 29

    Vous souhaitez mieux comprendre le mode opératoire de vos attaquants ? Venez découvrir la solution BEEZH Platform sur le stand du MinArm au

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  4. Jan 29

    Si vous voulez échanger sur la thématique analyse des TTP d'attaquants, c'est le moment !

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  5. Jan 24

    Analysis of the Linux random number generator /dev/urandom

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  6. 19 Dec 2019

    Félicitations à Alban Siffer pour sa soutenance et ses travaux de thèse dans le domaine du et de la détection d'anomalies ! cc

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  7. 10 Dec 2019

    Embargo ends - is public: It allows to induce faults into computations in SGX, breaking crypto and corrupting memory. Great collaboration with Kit Murdock, , , , Frank Piessens!!

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  8. 10 Dec 2019

    [] retenu pour le challenge "Deceptive Security" organisé par , avec le soutien de et présentera sa plateforme "BEEZH" au . RDV fin janvier à Lille pour connaître le vainqueur !

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  9. 14 Nov 2019

    [Blog] Hi twitter!▶️Publication of a new blog post about brief technical analysis of the Microsoft Windows "filter communication port" kernel communication mechanism with filtering drivers. Enjoy😀

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  10. 7 Nov 2019

    Soviet. Nuclear. Zeppelins. Three words that always inspire confidence...

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  11. 4 Nov 2019

    If you watch one talk this month, make it this one. Profoundly insightful on the complexity threat to security by given at NATOs CYCON. Video: And slides:

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  12. 25 Oct 2019

    New blog post on Hex-Rays microcode that is used as IR language during machine code decompilation

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  13. 22 Oct 2019

    Sur le mur du vétérinaire — j’ai ri.

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  14. 3 Oct 2019

    [Stage] Plate-forme de test d'intrusion, développement d'outil de recherche de vulnérabilités, analyse de produits conteneurisés... 📣Nos offres de en sont enfin en ligne : A vos CV !▶️

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  15. 23 Sep 2019

    And here is the github repo of Fragscapy: Feel free to use it and contribute

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  16. 19 Sep 2019

    [BLOG] Read our new post : "Fragscapy: Fuzzing protocols to evade firewalls and IDS". Enjoy !😀

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  17. 16 Sep 2019
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  18. 9 Jul 2019

    Et de 5 ! "Dé-spywarisation d'une caméra Wifi à 13 balles" par d'

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  19. 6 Jul 2019

    Challenge à : Félicitations à nos grands gagnants Baptiste et François qui remportent la Lime SDR et la clé Rubber ducky au terme d une journée intense de recherches 👍 💪😀

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