ET MALWARE Win32/Stealc/Vidar Stealer Style Headers In HTTP POST M2

Query · suricata

flow:established,to_server;
urilen:1;
http.method;
content:"POST";
http.uri;
content:"|2f|";
http.request_body;
content:"name|3d 22|token|22 0d 0a|";
content:"name|3d 22|build_id|22 0d 0a|"; fast_pattern;
content:"name|3d 22|file_name|22 0d 0a|";
content:"name|3d 22|file_data|22 0d 0a|";
target:src_ip;
Raw source ET MALWARE Win32/Stealc/Vidar Stealer Style Headers In HTTP POST M2 · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Win32/Stealc/Vidar Stealer Style Headers In HTTP POST M2";
    flow:established,to_server;
    urilen:1;
    http.method;
    content:"POST";
    http.uri;
    content:"|2f|";
    http.request_body;
    content:"name|3d 22|token|22 0d 0a|";
    content:"name|3d 22|build_id|22 0d 0a|"; fast_pattern;
    content:"name|3d 22|file_name|22 0d 0a|";
    content:"name|3d 22|file_data|22 0d 0a|";
    reference:md5,cafc00050e206e4e5046e2dce4710107;
    classtype:command-and-control;
    sid:2059331; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2025_01_17, deployment Perimeter, deployment SSLDecrypt, malware_family Stealc, malware_family Vidar, confidence High, signature_severity Critical, tag c2, updated_at 2025_01_17, 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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