Tristan Granier
Toulouse, Occitania, France
Summary
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RockstarTristan Granier is a security-minded software engineer with 10 years of hands-on experience, based in Toulouse, France. Focused on privacy-first tooling, he gravitates toward Qubes OS and Rust-only environments, signaling a deep commitment to secure-by-design systems. His open-source work includes full-stack development on security research tooling, notably a proof-of-concept browser MITB project that showcases experience across backend, frontend, and Python module injection. Tristan blends low-level security techniques with practical web interfaces and telemetry features, reflecting both offensive security insight and engineering discipline. Colleagues can expect a developer who prioritizes containment and threat-aware architectures while remaining curious and unapologetically pragmatic.
10 years of coding experience
Github Skills (12)
javascript10
web-development10
chrome-plugin10
chrome-extension10
chrome-app10
browser-extension10
security9
python9
php9
css8
html8
mysql8
Programming languages (6)
Github contributions (5)
graniet/chromebackdoor
Mar 2016 - Jan 2017
Chromebackdoor is a PoC of pentest tool, this tool use a MITB technique for generate a windows executable ".exe" after launch run a malicious extension or script on most popular browsers, and send all DOM datas on command and control.
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:133 commits, 165 pushes, 2 branches in 10 months
Contributions summary:Tristan contributed to multiple aspects of the Chromebackdoor project, demonstrating a full-stack development approach. They implemented a form grabber, modified server-side JavaScript for online status and history tracking, and created a module injector written in Python to bind Chrome extensions. Additionally, they worked on the web interface, updating the menu, and adding Facebook message spy functionality. Their contributions show a focus on both the backend and frontend components of the project.
windowsbrowsersmaliciouspentesttool-use
graniet/fsociety-ransomware-MrRobot
Oct 2016 - May 2020
This is Jester ransomware like, in Mr Robot movie (coded by Darlene S1E2,3), Please beware warning, after start you can't recover the files (In movie, the private key is not shared). IMPORTANT NOT FULLY STEP COMPLETED
Contributions:9 commits, 2 PRs, 8 pushes in 3 years 7 months
mr-robotprivate-keyransomwaremovierobot
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