alert http $HOME_NET any -> $EXTERNAL_NET any (
msg:"ET MALWARE Probable OneLouder downloader (Zeus P2P)";
flow:to_server,established;
urilen:4;
http.method;
content:"GET";
http.uri;
content:"/333"; fast_pattern;
http.user_agent;
content:"|20|MSIE|20|";
http.header_names;
content:!"Referer|0d 0a|";
content:!"Accept-Language|0d 0a|";
classtype:trojan-activity;
sid:2018894; rev:8;
metadata:created_at 2014_08_05, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_09_25;
)