alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Oficla Checkin (1)"; flow:established,to_server; http.method; content:"GET"; nocase; http.uri; content:".php?"; nocase; content:"v="; nocase; content:"&id="; nocase; content:"&b="; nocase; content:"&tm="; nocase; fast_pattern; http.header_names; content:!"Referer|0d 0a|"; nocase; content:!"Accept-Encoding|0d 0a|"; nocase; reference:md5,f71d48a86776f8c0da4d7a46257ff97c; classtype:command-and-control; sid:2010743; rev:9; metadata:created_at 2010_07_30, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_04_21;)