ET MALWARE Nosviak C2 Variant Host Status Page Response (sha1:8b1ebc6832852a06ab02097af10c4984b557a957)

Query · suricata

flow:established,to_client;
http.response_body; to_sha1;
content:"|8b1ebc6832852a06ab02097af10c4984b557a957|";
target:src_ip;
Raw source ET MALWARE Nosviak C2 Variant Host Status Page Response (sha1:8b1ebc6832852a06ab02097af10c4984b557a957) · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET MALWARE Nosviak C2 Variant Host Status Page Response (sha1:8b1ebc6832852a06ab02097af10c4984b557a957)";
    flow:established,to_client;
    http.response_body; to_sha1;
    content:"|8b1ebc6832852a06ab02097af10c4984b557a957|";
    reference:url,censys.com/pivoting-for-nosviak/;
    classtype:command-and-control;
    sid:2059665; 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;
)

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