ET SCAN Tomcat Auth Brute Force attempt (tomcat)

Query · suricata

flow:to_server,established;
threshold:type threshold, track by_src, count 5, seconds 30;
http.header;
content:"Authorization|3a| Basic dG9tY2F0"; fast_pattern;
Raw source ET SCAN Tomcat Auth Brute Force attempt (tomcat) · 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 SCAN Tomcat Auth Brute Force attempt (tomcat)";
    flow:to_server,established;
    threshold:type threshold, track by_src, count 5, seconds 30;
    http.header;
    content:"Authorization|3a| Basic dG9tY2F0"; fast_pattern;
    classtype:web-application-attack;
    sid:2008454; rev:9;
    metadata:created_at 2010_07_30, confidence Medium, signature_severity Informational, updated_at 2020_04_21;
)

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