Questions with nefarious intent?
There is this question on SO: Is there any malware / keylogger on Linux
He wants to have tips for existing malware or a keylogger for Linux (to test the products of his company. ??? What could not be verified!)
How to cope with this kind of questions?
I voted to close (because its offtopic) and flagged it for moderator attention (because I think its not OK). I don't think this is a deliver me my virus site.