ET WEB_SERVER SLIGHTPULSE WebShell Access Inbound M1

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.header;
content:"HTTP_X_KEY|3a 20|BM6OAa1XCpH4x4"; fast_pattern;
content:"SEnJYZXmyHhJG8JxC|0d|"; distance:1; within:18;
http.header_names;
content:"|0d 0a|HTTP_X_CNT|0d 0a|";
content:"|0d 0a|HTTP_X_CMD|0d 0a|";
Raw source ET WEB_SERVER SLIGHTPULSE WebShell Access Inbound M1 · Suricata
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Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http any any -> [$HOME_NET,$HTTP_SERVERS] any (
    msg:"ET WEB_SERVER SLIGHTPULSE WebShell Access Inbound M1";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.header;
    content:"HTTP_X_KEY|3a 20|BM6OAa1XCpH4x4"; fast_pattern;
    content:"SEnJYZXmyHhJG8JxC|0d|"; distance:1; within:18;
    http.header_names;
    content:"|0d 0a|HTTP_X_CNT|0d 0a|";
    content:"|0d 0a|HTTP_X_CMD|0d 0a|";
    classtype:attempted-admin;
    sid:2033788; rev:2;
    metadata:created_at 2021_08_25, deployment SSLDecrypt, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_21;
)

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