alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Oficla Downloader Activity Observed"; flow:established,to_server; http.method; content:"GET"; nocase; http.uri; content:".php?id="; nocase; content:"&v="; nocase; content:"&tm="; nocase; fast_pattern; content:"&b="; nocase; pcre:"/\x2Ephp\x3Fid\x3D\d*\x26v\x3D\d*\x26tm\x3D\d*\x26b\x3D/i"; reference:md5,38e1d644e2a16041b5ec1a02826df280; reference:md5,1db0c8d48a76662496af7faf581b1cf0; classtype:trojan-activity; sid:2009776; rev:8; metadata:created_at 2010_07_30, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_04_22;)