ET ADWARE_PUP Alexa Search Toolbar User-Agent 2 (Alexa Toolbar)

Query · suricata

flow:to_server,established;
threshold:type limit, count 2, seconds 300, track by_src;
http.user_agent;
content:"Alexa Toolbar";
Raw source ET ADWARE_PUP Alexa Search Toolbar User-Agent 2 (Alexa Toolbar) · 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 ADWARE_PUP Alexa Search Toolbar User-Agent 2 (Alexa Toolbar)";
    flow:to_server,established;
    threshold:type limit, count 2, seconds 300, track by_src;
    http.user_agent;
    content:"Alexa Toolbar";
    classtype:pup-activity;
    sid:2008085; rev:13;
    metadata:created_at 2010_07_30, confidence High, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_08_31;
)

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