ET HUNTING User-Agent Contains Custom String (Example/1.0)

Query · suricata

flow:established,to_server;
http.user_agent;
content:"Example/1.0"; endswith;
target:src_ip;
Raw source ET HUNTING User-Agent Contains Custom String (Example/1.0) · 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 HUNTING User-Agent Contains Custom String (Example/1.0)";
    flow:established,to_server;
    http.user_agent;
    content:"Example/1.0"; endswith;
    reference:md5,2c19001d5b81037ac70ef17f887cbec0;
    classtype:unknown;
    sid:2064127; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2025_08_22, deployment Perimeter, deployment SSLDecrypt, performance_impact Moderate, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_08_22;
    target:src_ip;
)

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