alert http $HOME_NET any -> $EXTERNAL_NET any (
msg:"ET MALWARE CoinVault CnC Beacon M1";
flow:established,to_server;
http.method;
content:"POST";
http.request_body;
content:"hwid="; depth:5;
content:"&knock="; distance:0;
content:"&keylog="; fast_pattern;
http.header_names;
content:!"User-Agent|0d 0a|";
content:!"Accept";
content:!"Referer|0d 0a|";
reference:md5,c7e34daa9e9160ce433a6cae74867711;
reference:url,kernelmode.info/forum/viewtopic.php?f=16&t=3581;
classtype:command-and-control;
sid:2020907; rev:4;
metadata:attack_target Client_Endpoint, created_at 2015_04_14, deployment Perimeter, signature_severity Major, tag c2, updated_at 2020_09_30, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;
)