.NET Reverse Engineering Tutorials (1-2)

.NET Reverse Engineering Tutorial 1

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This target is protected by a license check. We are greeted at the beginning with a nag asking for the license file. As a trial user you would get one. The scope of this tutorial isn’t to make the program act like a full version, but rather patch around the nag at startup.

.NET Reverse Engineering Tutorial 2

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We will load up the victim into Reflector and look for anything that might interest us. The good thing about .NET assemblies is that what you see is the source for the actual program. Like in C++ you have {if,else} statements, for loops, the same goes for .NET. If you closely inspect the code in Reflector we see this occur. Anyways, let us proceed with the paper on .NET assembly.