alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win32.Trojan.SuspectCRC FakeAV Checkin"; flow:established,to_server; http.uri; content:"value.php?"; content:"md="; content:"&pc="; http.user_agent; content:"sample"; startswith; reference:md5,54c9d51661a05151e5143f4e80cbed86; classtype:command-and-control; sid:2013799; rev:4; metadata:created_at 2011_10_24, signature_severity Major, updated_at 2024_02_08;)