Melvin L
Senior Security Consultant at TrustedSec
Halden, Viken, Norway
Summary
🤩
Rockstar🎓
Top SchoolMelvin L is a Senior Security Consultant and red-team specialist with nine years of experience blending Azure backend development and offensive security. He began as a C# Azure developer, then transitioned into penetration testing where he builds and integrates advanced C# offensive tooling and contributes to notable projects like SharpCollection and NetLoader. At TrustedSec he executes targeted operations against Fortune 500 clients, drawing on deep Windows internals, AMSI/ETW evasion techniques, and post-exploitation frameworks such as shad0w. Melvin is an active open-source maintainer and toolsmith whose nightly build pipeline work and memory-loading innovations improve effectiveness and reproducibility for purple-team research. He also shares expertise publicly through a Norwegian technical podcast, Twitch streams, and conference talks including DEF CON, combining hands-on tradecraft with community-driven education. Based in Halden, Norway, he brings a rare mix of cloud development pedigree, entrepreneurial experience, and frontline offensive security leadership.
9 years of coding experience
11 years of employment as a software developer
Bahelor of Engineering - BE, ingeniørfag – data – Tress, Bahelor of Engineering - BE, ingeniørfag – data – Tress at Høgskolen i Østfold (HiØ)
Github Skills (22)
shellcode10
python10
security-txt10
windows10
net10
dotnet10
security10
asp-net10
c2310
dotnet-core10
offensive-security10
csharp10
security-scan10
windows-nt10
c119
Programming languages (8)
Github contributions (5)
Flangvik/NetLoader
May 2020 - Oct 2021
Loads any C# binary in mem, patching AMSI + ETW.
Role in this project:
Back-end Developer & Security Engineer
Back-end Developer & Security EngineerContributions:78 commits, 64 pushes, 4 comments in 1 year 5 months
Contributions summary:Melvin primarily contributes to a C# based project focused on loading and patching C# binaries in memory while bypassing AMSI and ETW, showcasing expertise in system-level manipulation and security techniques. The contributions involve adding and integrating various security tools written in C#, including SharpChrome, SafetyKatz, Rubeus, and others, which suggests experience with offensive security and Windows internals. The user's work includes implementing AMSI patching to bypass detection, demonstrating an understanding of anti-malware evasion strategies. Additionally, the user added support to load custom binaries, thus increasing the project's flexibility and utility for security research.
patchingetwcsharpmemamsi
Flangvik/SharpCollection
Jun 2020 - Jan 2023
Nightly builds of common C# offensive tools, fresh from their respective master branches built and released in a CDI fashion using Azure DevOps release pipelines.
Role in this project:Backend Developer
Backend DeveloperContributions:8869 commits, 6 PRs, 10173 pushes in 2 years 8 months
Contributions summary:Melvin appears to be primarily responsible for contributing code releases to the repository. Their commits mainly focused on adding new releases of various offensive C# tools, specifically SharpSpray, SharPersist, SharpShares, Shhmon, ADSearch, PurpleSharp, Rubeus, Seatbelt, SharpAppLocker, SharpHose, winPEAS, ADCollector, AtYourService, SharpChrome, SharpDPAPI, SharpMiniDump, Snaffler, and winPEAS. The majority of their work involved updating and adding the latest executable releases for these tools.
branchesdotnetazure-pipelinesdevopsbuilds
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