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="; nocase;
content:"&cid="; nocase;
http.header_names;
content:!"User-Agent|0d 0a|";
reference:md5,ea70e0971cc490a15e53d24ad6564403;
classtype:trojan-activity;
sid:2008134; rev:9;
metadata:created_at 2010_07_30, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_04_21;
)