ET SCAN Possible Nmap User-Agent Observed

Query · suricata

flow:to_server,established;
http.user_agent;
content:"|20|Nmap"; fast_pattern;
Raw source ET SCAN Possible Nmap User-Agent Observed · 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 -> any any (
    msg:"ET SCAN Possible Nmap User-Agent Observed";
    flow:to_server,established;
    http.user_agent;
    content:"|20|Nmap"; fast_pattern;
    classtype:web-application-attack;
    sid:2024364; rev:4;
    metadata:affected_product Any, attack_target Client_and_Server, created_at 2017_06_08, deployment Perimeter, performance_impact Low, confidence Medium, signature_severity Informational, updated_at 2020_08_06, reviewed_at 2024_05_06;
)

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