alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE System Progressive Detection FakeAV (INTEL)"; flow:to_server,established; http.uri; content:"ts="; nocase; content:"affid="; nocase; http.user_agent; content:"|3b|c|3a|INT-"; fast_pattern; pcre:"/\(b\x3a\d+?\x3bc\x3aINT-/"; reference:md5,76bea2200601172ebc2374e4b418c63a; classtype:trojan-activity; sid:2015860; rev:10; metadata:created_at 2012_10_13, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_09_18;)