ILSpy vs Shellcode2PE: 2026 Comparison
ILSpy is a free offensive security tool. Shellcode2PE is a free offensive security tool. Compare features, ratings, integrations, and community reviews side by side to find the best offensive security fit for your security stack.
CST VerdictBased on our analysis of available product data, here is our conclusion:
.NET developers and security researchers doing adversarial code review need ILSpy because it's the only free decompiler that actually handles modern C# constructs and async patterns without mangling the output. Its 24,766 GitHub stars reflect adoption by practitioners who've rejected paid alternatives; the tool's modular frontend architecture means you can pipe decompiled IL into custom analysis scripts instead of staring at a GUI. Skip this if your threat model requires decompiling obfuscated assemblies at scale; ILSpy struggles with commercial packers and gives up where commercial tools like dnSpy push through.
Red teamers and penetration testers who need to weaponize raw shellcode without touching a compiler will move fastest with Shellcode2PE. It converts shellcode directly into executable PE binaries in one command, eliminating the manual encoding steps that slow down engagement delivery; the 127 GitHub stars and active Python codebase confirm it's actually used in the field. Skip this if your team runs primarily on macOS or Linux, or if you need post-exploitation staging,Shellcode2PE is Windows-payload focused and doesn't handle obfuscation or evasion on its own.
