alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE FakeAV Checkin"; flow:established,to_server; http.uri; content:"/ping.php?v="; fast_pattern; content:"&cid="; content:"&s="; content:"&wid="; content:"&fid="; content:"&step="; classtype:command-and-control; sid:2013366; rev:3; metadata:created_at 2011_08_05, signature_severity Major, updated_at 2024_03_16;)