alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE FakeAvCn-A Checkin 1"; flow:established,to_server; urilen:10; http.method; content:"GET"; nocase; http.uri; content:"/support/s"; fast_pattern; http.user_agent; content:"Internet Explorer"; bsize:17; classtype:command-and-control; sid:2014855; rev:5; metadata:created_at 2012_06_05, signature_severity Major, updated_at 2020_09_17;)