ET SCAN Acunetix Version 6 (Free Edition) Scan Detected

Query · suricata

flow:to_server,established;
content:"(Acunetix Web Vulnerability Scanner"; nocase;
threshold:type limit, count 1, seconds 60, track by_src;
Raw source ET SCAN Acunetix Version 6 (Free Edition) Scan Detected · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert tcp $EXTERNAL_NET any -> $HTTP_SERVERS $HTTP_PORTS (
    msg:"ET SCAN Acunetix Version 6 (Free Edition) Scan Detected";
    flow:to_server,established;
    content:"(Acunetix Web Vulnerability Scanner"; nocase;
    threshold:type limit, count 1, seconds 60, track by_src;
    reference:url,www.acunetix.com/;
    classtype:attempted-recon;
    sid:2009646; rev:5;
    metadata:created_at 2010_07_30, confidence Medium, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;
)

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