ET HUNTING Double User-Agent (User-Agent User-Agent)

Query · suricata

flow:established,to_server;
http.user_agent;
content:"User-Agent|3a 20|"; fast_pattern; startswith; nocase;
content:!"SogouMobileTool"; nocase;
http.host;
content:!".lge.com";
content:!".kugou.com";
Raw source ET HUNTING Double User-Agent (User-Agent User-Agent) · 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 -> $EXTERNAL_NET any (
    msg:"ET HUNTING Double User-Agent (User-Agent User-Agent)";
    flow:established,to_server;
    http.user_agent;
    content:"User-Agent|3a 20|"; fast_pattern; startswith; nocase;
    content:!"SogouMobileTool"; nocase;
    http.host;
    content:!".lge.com";
    content:!".kugou.com";
    classtype:bad-unknown;
    sid:2003626; rev:18;
    metadata:created_at 2010_07_30, confidence Medium, signature_severity Unknown, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_11;
)

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