.exe VT
Download
GitHub
Screenshot:http://i.imgur.com/TV78X57.png
"help" in the console will give you all existing commands.
You can use Confuser(Ex) or whatever .NET obfuscator to make it more "secure" if you're worried.
Credits:
****Face32 for the information on achievements and the crc32 function
Teamgamerfood for the ClientCmd function and sigpattern.