alert http $HOME_NET any -> $EXTERNAL_NET any (
msg:"ET MALWARE PDF 0day Communication - agent UA Feb 14 2013";
flow:established,to_server;
http.method;
content:"GET"; nocase;
http.uri;
content:"/param";
http.user_agent; bsize:5;
content:"agent"; fast_pattern;
http.header_names;
content:"|0d 0a|Content-Length|0d 0a|";
reference:url,www.joesecurity.org/reports/report-f3b9663a01a73c5eca9d6b2a0519049e.html;
classtype:trojan-activity;
sid:2016411; rev:5;
metadata:created_at 2013_02_15, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_10;
)