ET POLICY StumbleUpon Submission Detected

Query · suricata

flow:established,to_server;
threshold:type both, count 2, seconds 300, track by_src;
http.header;
content:"X-SU-Version|3a 20|";
Raw source ET POLICY StumbleUpon Submission Detected · Suricata
Esc
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 POLICY StumbleUpon Submission Detected";
    flow:established,to_server;
    threshold:type both, count 2, seconds 300, track by_src;
    http.header;
    content:"X-SU-Version|3a 20|";
    classtype:policy-violation;
    sid:2013013; rev:4;
    metadata:created_at 2011_06_10, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_04_20;
)

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