Alexis Challande

Alexis Challande

Security Engineer

Quarkslab

Ecole Polytechnique

Biography

Alexis Challande obtained his PhD at Quarkslab in October 2022, a French middle-size security company. His research interests include 1 day detection applied to embedded systems, AOSP usage through with a security mindset and usage of graph theories applied to binary analysis. His PhD was conducted in the GRACE team at the Laboratoire d’Informatique de l’Ecole Polytechnique (LiX).

Warning: Alexis will be out for a sabbatical starting in December 2022.

Download my resumé (last updated in December 2022).

Interests
  • Binary Analysis and Reverse Engineering
  • Android Open Source Project
  • IDA scripting
Education
  • PhD in Binary Analysis, 2022

    Ecole Polytechnique

  • Master in Digital Security, 2018

    Eurecom

  • BSc in Computer Science, 2015

    University Pierre & Marie Curie

Work Experience

 
 
 
 
 
Quarkslab
Security Engineer
Quarkslab
Sep 2019 – Dec 2022 Paris

I am part of the Automated Analysis team where I mostly work on the following topics:

  • Detection of 1 day vulnerabilities in Android phones (for my PhD)
  • Android Application Analysis
  • Tooling development
  • IDA Plugin development
 
 
 
 
 
Anssi
Master Internship
Anssi
Mar 2018 – Aug 2018 Paris
I worked on the identification of cryptographic code in binary code.
 
 
 
 
 
AXA CS
Apprentice in Cyber Security
AXA CS
Sep 2015 – Aug 2016 Paris
I worked in the Cybersecurity Team on the implementation of ISO 2700X norms.

Publications

(2022). Quokka: A Fast and Accurate Binary Exporter. GreHack'22.

PDF Cite Code Project Slides

(2022). Towards Patch Detection using Binary Only Semantic Signatures. HAL.

PDF Cite Code

(2022). Building a commit-level dataset of real-world vulnerabilities. CODASPY'22.

PDF Cite Code Dataset DOI

(2021). Exploitation du graphe de dépendance d'AOSP à des fins de sécurité . SSTIC'21.

PDF Cite Code Project Slides Video