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;)