There is a book bundle on Humble Bundle right now that goes into security and hacking, if that’s what you’re interested in.
You’re unlikely to receive any support, at least publicly, for how to do anything potentially illegal. I would recommend just not doing anything illegal or unethical anyway. If you’re interested from a security perspective, find a cybersec community, and you may get more support there.
Not only this, but C# has diverged enough from Java that anything but the absolute basics isn’t going to help much with C#.