Individual skill
reversing-xamarin-maui
Reverse engineer Xamarin and .NET MAUI mobile apps by extracting assemblies.blob and XALZ-compressed DLLs with pyxamstore, then decompiling with dnSpy or ILSpy. Use when an APK contains libmonodroid.so, libmonosgen, assemblies.blob, assemblies/*.dll, or libxamarin-app.so, when an IPA contains Mono assemblies, or when jadx shows only Xamarin bootstrap classes.
secskills-core/skills/reversing-xamarin-maui/SKILL.md
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- Last checked
- Nov 6, 2026
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- Repository last updated
- Sep 4, 2026
- License
- MIT
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# Reversing Xamarin and .NET MAUI Apps
Xamarin apps hide a complete .NET application inside an Android package. Once
you extract and decompress the assemblies you get near-source-quality C#, which
makes this one of the highest-return reversing jobs — but only if you get past
the container format, which changed twice and defeats naive unzipping.
## When to Use
- The APK contains `lib/*/libmonodroid.so`, `libmonosgen-2.0.so`, or
`libxamarin-app.so`
- The APK contains `assemblies/assemblies.blob` or `assemblies/*.dll`
- `jadx` shows only `mono.MonoPackageManager` and Xamarin bootstrap classes
- An IPA contains `.dll` files or a `Frameworks/Mono*` layout