I've always been a big fan of Reflector , allowing me to have a look in assemblies to learn new things, debug in case of problems and provide usefull information when creating bug reports. Combined with the Reflexil Add-in it's now easy to also modify assemblies yourself. To demonstrate this, I've created...

In my last post I spoke about reverse engineering .NET assemblies upon which Gregory asked how to protect his code against it. Initially I thought signing an assembly would be the easiest way to prevent this, and my first tests confirmed this. I signed the CrackMe from my previous post and tried modifying...