Originally posted here by Soda_Popinsky
Netsky had a smtp engine in it, could possibly be that. But along with tcp view, I would also recommend foundstones fport, found on their website. It will map the applications opening ports. Then run your scanning utilities in safe mode, press f8 before windows starts up to select it.

Update everything beforehand. Netsky is sorta-new.
a lot of the mitglieder trojans dropped by bagel have smtp relaying capabilities.

I'd get a more 'obvious whats going on' firewall such as kerio or sygate. both do free personal firewalls.