ET MALWARE DemonHavoc CnC Activity (POST) M2

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE DemonHavoc CnC Activity (POST) M2";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri; bsize:13;
    content:"/api/1.3/data"; fast_pattern;
    http.user_agent;
    content:"Chrome|2f|96|2e|0|2e|4664|2e|110";
    reference:url,huntress.com/blog/fake-tech-support-havoc-command-control;
    classtype:command-and-control;
    sid:2068164; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2026_03_12, deployment Perimeter, deployment SSLDecrypt, malware_family Havoc, confidence High, signature_severity Critical, tag c2, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2026_03_12, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;
    target:src_ip;
)