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I recently got an email from my ISP saying that they'd detected traffic to a known Command & Control server from my home. Boo. I'm sure this probably means one of our computers has some awful virus so I'm about to begin that laborious process.
Is there a list of all known C&C servers published somewhere that I can just add firewall rules for? Preferably free. I realize this means computers could still get infected and would just lose the ability to communicate but that seems like a much better alternative than being infected and allowing communication (as alluded to in this question). Hopefully, this would at least prevent connection long enough for Anti-Virus, OS, etc. to catch up with their definitions (depending how fresh the list is). Is this even worth it since they're likely pulled down as soon as they're discovered to be hosting malicious services?