ET WEB_SERVER WebShell Generic - *.tar.gz in POST body

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.request_body;
content:".tar.gz"; nocase;
Raw source ET WEB_SERVER WebShell Generic - *.tar.gz in POST body · 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 - *.tar.gz in POST body";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.request_body;
    content:".tar.gz"; nocase;
    classtype:bad-unknown;
    sid:2016992; rev:4;
    metadata:created_at 2013_06_08, confidence Medium, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_09_01;
)

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