Best Blackhat Forum

Hey, I am a computer science student and i wanted to know what language bots are written in. I was looking forward to making my professors help me on this. Could someone send me a link or give me a lil info on what you know. i'd really appreciate it

.NET VB or C#. Inspired by AlexW I'll try to make one multi platform on java using ffx or xulrunner but still haven't tiem for this