Gilles Ngongang
Application Development Senior Analyst
Littoral, Cameroon
Summary
🤩
Rockstar🎓
Top SchoolGilles Ngongang is a seasoned full-stack .NET developer and Application Development Senior Analyst with nine years of experience building and maintaining web platforms and enterprise solutions from Cameroon’s Littoral region. He combines hands-on C# and SQL Server expertise with project leadership gained as a co-founder and IT manager, overseeing conception, deployment and validation of production systems. At Accenture and prior firms he has delivered maintainable, documented code and unit-tested products while leading study and development teams. Gilles also contributes to security-focused open source tooling—extending the PetitPotam PoC to broaden MS-EFSRPC functionality—demonstrating deep protocol-level understanding beyond typical application work. His background in project management (Master 2) and practical IoT/hardware curiosity inform a pragmatic approach to systems design and operational concerns. Colleagues value him for blending entrepreneurial initiative with disciplined engineering and a knack for Windows/Active Directory internals.
9 years of coding experience
7 years of employment as a software developer
Licence, Génie Logiciel, Licence, Génie Logiciel at ISTDIMaster 1, Gestion de projets informatiques, Mention Assez Bien, Master 1, Gestion de projets informatiques, Mention Assez Bien at Ecole Normale Supérieure de l'Enseignement Technique (ENSET)
English, French
Github Skills (7)
exploit10
rpc10
vulnerability-research10
python10
impacket10
windows-nt9
reverse-engineering9
Programming languages (2)
Github contributions (5)
topotam/PetitPotam
Jul 2021 - May 2022
PoC tool to coerce Windows hosts to authenticate to other machines via MS-EFSRPC EfsRpcOpenFileRaw or other functions.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:33 commits, 10 PRs, 41 pushes in 10 months
Contributions summary:Gilles primarily focused on implementing and modifying the `PetitPotam.py` script, a tool designed to exploit MS-EFSRPC vulnerabilities. Their contributions involved adding new EFS (Encrypting File System) functions and features, extending the tool's capabilities. The user demonstrated a strong understanding of the underlying protocol by implementing various RPC calls to interact with LSARPC and related services to achieve authentication coercion. The additions of the `ms-efsrpc_c.c` file further point to the user's familiarity with the MS-EFSRPC protocol and possibly the RPC framework used in the tool.
ntlmwindowsmachineswmicoerce
topotam/LaMarre
Jan 2017 - Feb 2022
Contributions:32 commits, 31 pushes, 1 branch in 5 years 2 months
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