ET USER_AGENTS Observed Suspicious UA (CODE)

Query · suricata

flow:established,to_server;
http.user_agent; bsize:4;
content:"CODE"; fast_pattern;
Raw source ET USER_AGENTS Observed Suspicious UA (CODE) · 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 USER_AGENTS Observed Suspicious UA (CODE)";
    flow:established,to_server;
    http.user_agent; bsize:4;
    content:"CODE"; fast_pattern;
    reference:md5,f5ee4c578976587586202c15e98997ed;
    classtype:bad-unknown;
    sid:2030439; rev:3;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_07_01, deployment Perimeter, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_10;
)

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