alert http $HOME_NET any -> $EXTERNAL_NET any (
msg:"ET MALWARE W32/Hesperus.Banker Nlog.php Variant Sending Data To CnC";
flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:"/nlog/nlog"; fast_pattern;
content:".php";
http.header;
content:"Content-Length|3a|";
http.header_names;
content:!"User-Agent|0d 0a|";
content:!"Accept|0d 0a|";
reference:url,blogs.mcafee.com/mcafee-labs/hesperus-evening-star-shines-as-latest-banker-trojan;
classtype:command-and-control;
sid:2017465; rev:6;
metadata:created_at 2013_09_16, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_09_23;
)