alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win32.FakeAV.chhq Checkin"; flow:established,to_server; http.method; content:"GET"; nocase; http.uri; content:"/index.php?|30 64 34 30 62 30 3d|"; fast_pattern; http.user_agent; content:"Mozilla/3.0"; startswith; classtype:command-and-control; sid:2012620; rev:10; metadata:created_at 2011_04_01, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_04_21;)