ET WEB_SERVER WebShell Generic - net user

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.request_body;
content:"net"; nocase;
content:!"work"; within:4; nocase;
content:"user"; nocase; within:11;
content:!"-agent"; nocase; within:6;
pcre:"/net(?:%(?:25)?20|\s)+user/i";
Raw source ET WEB_SERVER WebShell Generic - net user · 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 $EXTERNAL_NET any -> $HTTP_SERVERS any (
    msg:"ET WEB_SERVER WebShell Generic - net user";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.request_body;
    content:"net"; nocase;
    content:!"work"; within:4; nocase;
    content:"user"; nocase; within:11;
    content:!"-agent"; nocase; within:6;
    pcre:"/net(?:%(?:25)?20|\s)+user/i";
    classtype:bad-unknown;
    sid:2016680; rev:7;
    metadata:created_at 2013_03_27, confidence Medium, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_06_01;
)

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