alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE FakeAV.EGZ Checkin 1"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/logo/go.php?id="; fast_pattern; pcre:"/^\d{1,3}$/R"; http.user_agent; content:"Mozilla/4.0 (compatible|3b 20|MSIE 6.0|3b 20|Windows NT 5.1|3b 20|SV1)"; reference:url,www.virustotal.com/file-scan/report.html?id=458ec5d5b3c1c02b6c64b360f82bcbf529f580c2d646b2ae161fc7dd2ea9927d-1321069787; classtype:command-and-control; sid:2013946; rev:5; metadata:created_at 2011_11_23, signature_severity Major, updated_at 2019_10_16;)