alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Common Downloader Install Count Tracking URL (partner)"; flow:established,to_server; http.method; content:"GET"; nocase; http.uri; content:"/partner/counter/install.php?pid="; fast_pattern; nocase; content:"&cid="; nocase; http.header_names; to_lowercase; content:!"|0d 0a|user-agent|0d 0a|"; reference:md5,ea70e0971cc490a15e53d24ad6564403; classtype:trojan-activity; sid:2008134; rev:10; metadata:created_at 2010_07_30, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_04_20;)