ET INFO SUSPICIOUS UA starting with Mozilla/9

Query · suricata

flow:established,to_server;
http.user_agent;
content:"Mozilla/9"; depth:9; nocase;
Raw source ET INFO SUSPICIOUS UA starting with Mozilla/9 · 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 INFO SUSPICIOUS UA starting with Mozilla/9";
    flow:established,to_server;
    http.user_agent;
    content:"Mozilla/9"; depth:9; nocase;
    classtype:bad-unknown;
    sid:2016694; rev:5;
    metadata:created_at 2013_04_02, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_04_24;
)

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