ET MALWARE Snake Keylogger HTTP Exfil

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.content_type; bsize:33;
content:"application/x-www-form-urlencoded";
http.request_body;
content:"|26|myFile|3d|PW|2b 25|7c|2b|";
content:"|25|0d|25|0a|2d 2d 2d 2d 2d 2d 2d 2d 2b|Snake|2b|Tracker|2b 2d 2d 2d 2d 2d 2d 2d 2d 25|0d|25|0a"; fast_pattern;
target:src_ip;
Raw source ET MALWARE Snake Keylogger HTTP Exfil · 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 Snake Keylogger HTTP Exfil";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.content_type; bsize:33;
    content:"application/x-www-form-urlencoded";
    http.request_body;
    content:"|26|myFile|3d|PW|2b 25|7c|2b|";
    content:"|25|0d|25|0a|2d 2d 2d 2d 2d 2d 2d 2d 2b|Snake|2b|Tracker|2b 2d 2d 2d 2d 2d 2d 2d 2d 25|0d|25|0a"; fast_pattern;
    reference:md5,9bd66412d037cb407c592e51959e0891;
    classtype:trojan-activity;
    sid:2049869; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2023_12_29, deployment Perimeter, deployment SSLDecrypt, malware_family Snake_Keylogger, performance_impact Low, confidence High, signature_severity Critical, updated_at 2023_12_29;
    target:src_ip;
)

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