ET MALWARE Nosviak C2 Variant Advertised Services in HTML Elements

alert http $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET MALWARE Nosviak C2 Variant Advertised Services in HTML Elements";
    flow:established,to_client;
    http.response_body;
    content:"<meta name=|22|twitter:image|22| content=|22|assets|2f|647538aa3b2ddd2dc925b188_logoorb|2e|webp|22|>";
    reference:url,censys.com/pivoting-for-nosviak/;
    classtype:command-and-control;
    sid:2059667; rev:1;
    metadata:attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2025_01_27, deployment Perimeter, deployment SSLDecrypt, confidence High, signature_severity Major, tag c2, updated_at 2025_01_27, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;
    target:src_ip;
)