ET POLICY POSSIBLE Web Crawl using Curl

Query · suricata

flow:established,to_server;
threshold:type both, track by_src, count 10, seconds 60;
http.user_agent;
content:"curl"; nocase; startswith;
Raw source ET POLICY POSSIBLE Web Crawl using Curl · 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 -> $HOME_NET any (
    msg:"ET POLICY POSSIBLE Web Crawl using Curl";
    flow:established,to_server;
    threshold:type both, track by_src, count 10, seconds 60;
    http.user_agent;
    content:"curl"; nocase; startswith;
    reference:url,curl.haxx.se;
    classtype:attempted-recon;
    sid:2002825; rev:11;
    metadata:created_at 2010_07_30, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_10_19;
)

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