Eloi Benoist-vanderbeken
COO at Synacktiv
Greater Paris Metropolitan Region France
Summary
🤩
Rockstar🎓
Top SchoolEloi Benoist-vanderbeken is a seasoned security engineer and operator with 14 years of experience, now serving as COO at Synacktiv after a decade coordinating its reverse-engineering team. He combines deep low-level systems expertise—evident from contributions to frida-gum around memory access monitoring, TLS emulation and x86 writer improvements—with practical offensive tooling work such as a robust PoC for the Linksys TCP-32764 backdoor. Trained at top French institutions in computer science and cryptology, he bridges rigorous academic foundations with hands-on vulnerability research and incident response. Comfortable leading technical teams and shipping production-grade security capabilities, he brings an unusual blend of C-level strategy and kernel/firmware-level engineering craft.
13 years of coding experience
11 years of employment as a software developer
Licence, Mathématiques et informatique, Licence, Mathématiques et informatique at Université catholique de LilleMaster, Cryptologie et Sécurité Informatique, Master, Cryptologie et Sécurité Informatique at Université Bordeaux ILicence, Informatique, Licence, Informatique at Université des Sciences et Technologies de Lille (Lille I)Master, Informatique, Mention Bien, Master, Informatique, Mention Bien at École Normale Supérieure de Cachan
English
Github Skills (28)
socket-io10
assembly10
python10
wp-api10
vulnerability10
frida10
memory-management10
instrumentation10
winapi10
c1110
x8610
c1710
socket10
security-vulnerability10
network-security10
Programming languages (5)
Github contributions (5)
elvanderb/TCP-32764
Dec 2013 - Dec 2015
some codes and notes about the backdoor listening on TCP-32764 in linksys WAG200G.
Role in this project:
Security Engineer
Security EngineerContributions:95 commits, 1 PR, 2 pushes in 1 year 11 months
Contributions summary:Eloi primarily contributed to a Python-based proof-of-concept (PoC) tool designed to interact with a backdoor on a Linksys router. Their work involved extending the tool's functionality to include a shell, adding support for different endianness architectures, fixing bugs, and enhancing the tool with various commands such as file transfer and credential extraction. The user also added features for configuring the tool through command-line arguments and improved the tool's robustness with timeouts and other minor bug fixes.
snmpnotesrouteroslisteningbackdoor
frida/frida-gum
Nov 2015 - Jan 2018
Cross-platform instrumentation and introspection library written in C
Role in this project:Back-end Developer
Back-end DeveloperContributions:9 commits, 11 PRs, 15 comments in 2 years 2 months
Contributions summary:Eloi contributed extensively to the `frida-gum` project, focusing on low-level system instrumentation. Their work included implementing memory access monitoring features, specifically allowing the monitoring of read, write, and execute operations, along with an auto-reset functionality. Furthermore, the user emulated `Get/SetLastError` and implemented TLS emulation for Windows. They also added logical shift right and left operations on pointers, and improved the X86Writer.
instrumentationfridalinuxcross-platformintrospection
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