ET HUNTING Zero Content-Length HTTP POST with data (outbound)

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.content_len;
content:"0"; bsize:1; endswith;
http.request_body; bsize:>0;
Raw source ET HUNTING Zero Content-Length HTTP POST with data (outbound) · 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 HUNTING Zero Content-Length HTTP POST with data (outbound)";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.content_len;
    content:"0"; bsize:1; endswith;
    http.request_body; bsize:>0;
    classtype:bad-unknown;
    sid:2011819; rev:6;
    metadata:created_at 2010_10_15, performance_impact Significant, confidence Medium, signature_severity Unknown, updated_at 2024_04_09;
)

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