alert http $HOME_NET any -> $EXTERNAL_NET any (
msg:"ET MALWARE W32/BaneChant.APT Data Exfiltration POST to CnC";
flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:"/adserv/get.php"; fast_pattern;
http.user_agent;
content:"Mozilla/4.0 (compatible|3b 20|MSIE 6.0|3b 20|Windows NT 5.1|3b 20|SV2)"; bsize:55;
reference:url,www.fireeye.com/blog/technical/malware-research/2013/04/trojan-apt-banechant-in-memory-trojan-that-observes-for-multiple-mouse-clicks.html;
classtype:targeted-activity;
sid:2016727; rev:4;
metadata:created_at 2013_04_05, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_09_18;
)