ET WEB_SERVER Simple JSP WebShell Landing Page

Query · suricata

flow:established,to_client;
http.response_body;
content:"|3c|HTML|3e 3c|BODY|3e|";
content:"Commands with JSP"; within:20;
target:src_ip;
Raw source ET WEB_SERVER Simple JSP WebShell Landing Page · 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 $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET WEB_SERVER Simple JSP WebShell Landing Page";
    flow:established,to_client;
    http.response_body;
    content:"|3c|HTML|3e 3c|BODY|3e|";
    content:"Commands with JSP"; within:20;
    reference:md5,5b739059ebb590df7bc7ed33c8d62531;
    reference:url,www.cisa.gov/sites/default/files/publications/MAR-10410305.r1.v1.CLEAR_0.pdf;
    classtype:attempted-user;
    sid:2049405; rev:1;
    metadata:attack_target Server, created_at 2023_11_30, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Major, tag WebShell, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_11_30, mitre_tactic_id TA0003, mitre_tactic_name Persistence, mitre_technique_id T1505, mitre_technique_name Server_Software_Component;
    target:src_ip;
)

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