Lucas Valentin
Spécialiste En Cyber-sécurité at Synacktiv
Montigny-le-Bretonneux, Île-de-France, France
Summary
🤩
Rockstar🎓
Top SchoolLucas Valentin is a French cybersecurity specialist with 11 years of hands-on experience, currently working at Synacktiv and completing a Master's at École 2600. He combines deep reverse-engineering skills with practical exploit-development tooling, having contributed notable enhancements to the widely used GEF (GDB Enhanced Features) project—improving remote debugging, architecture detection, and vmmap filtering. Trained as an engineer at TELECOM Nancy, he brings a strong systems and low-level software background to offensive security engagements and tool development. Colleagues know him for tackling tricky edge cases in debug tooling and for bridging academic rigor with real-world red-team problem solving.
11 years of coding experience
Diplôme d'ingénieur, Computer Science, Diplôme d'ingénieur, Computer Science at TELECOM NancyMaster, Computer Science, Master, Computer Science at Ecole 2600
Github Skills (11)
debugging10
gdb10
exploit10
debug10
linux10
reverse-engineering10
python10
pwntools9
command-line9
binarydiff9
command-line-interface9
Programming languages (4)
Github contributions (5)
hugsy/gef
Sep 2023 - Nov 2024
GEF (GDB Enhanced Features) - a modern experience for GDB with advanced debugging capabilities for exploit devs & reverse engineers on Linux
Role in this project:
Security Engineer
Security EngineerContributions:33 reviews, 17 PRs, 24 pushes in 1 year 2 months
Contributions summary:Lucas primarily contributed to enhancing the GDB Enhanced Features (GEF) tool, focusing on improving its integration with remote debugging scenarios. Their work involved adding support for the `target remote` command, which required modifying session management and post-hook configurations. Additionally, the user addressed issues related to filename collisions within the tool, improved prompt length calculations, and implemented an `arch` command for managing and detecting the target architecture. Furthermore, the user fixed an issue in `find_libc_version` and improved the `vmmap` command with additional filtering options.
pythondiscordctfglibcsparc
aeyno/rofipaste
Sep 2020 - Oct 2020
A tool to paste some useful things
Contributions:8 releases, 67 commits, 10 PRs in 13 days
cli
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