ET SCAN Nmap Scripting Engine User-Agent Detected (Nmap Scripting Engine)

Query · suricata

flow:to_server,established;
http.user_agent;
content:"Mozilla/5.0 (compatible|3b| Nmap Scripting Engine"; nocase; depth:46;
Raw source ET SCAN Nmap Scripting Engine User-Agent Detected (Nmap Scripting Engine) · 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 SCAN Nmap Scripting Engine User-Agent Detected (Nmap Scripting Engine)";
    flow:to_server,established;
    http.user_agent;
    content:"Mozilla/5.0 (compatible|3b| Nmap Scripting Engine"; nocase; depth:46;
    classtype:web-application-attack;
    sid:2009358; rev:6;
    metadata:created_at 2010_07_30, confidence High, signature_severity Informational, updated_at 2020_04_22;
)

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