ET MALWARE Win32/Unknown Stealer Data Exfiltration Attempt

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:"/bitrix/main.php";
http.request_body;
content:"|3a 0b 5b 45 51 11 43 58 36|"; fast_pattern; startswith;
target:src_ip;
Raw source ET MALWARE Win32/Unknown Stealer Data Exfiltration Attempt · 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/Unknown Stealer Data Exfiltration Attempt";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/bitrix/main.php";
    http.request_body;
    content:"|3a 0b 5b 45 51 11 43 58 36|"; fast_pattern; startswith;
    reference:md5,46dae0e0b64923b60f5c471cafca79b1;
    classtype:trojan-activity;
    sid:2049817; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Windows_11, attack_target Client_Endpoint, created_at 2023_12_21, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Major, updated_at 2023_12_21;
    target:src_ip;
)

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