ET USER_AGENTS Fake Mozilla User-Agent String Observed (M0zilla)

Query · suricata

flow:established,to_server;
http.user_agent;
content:"M0zilla|2f|"; depth:8; fast_pattern;
content:"."; distance:1; within:1;
Raw source ET USER_AGENTS Fake Mozilla User-Agent String Observed (M0zilla) · 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 Fake Mozilla User-Agent String Observed (M0zilla)";
    flow:established,to_server;
    http.user_agent;
    content:"M0zilla|2f|"; depth:8; fast_pattern;
    content:"."; distance:1; within:1;
    reference:md5,c6c1292bf7dd1573b269afb203134b1d;
    classtype:trojan-activity;
    sid:2027565; rev:2;
    metadata:created_at 2019_06_26, confidence High, signature_severity Major, updated_at 2020_08_31;
)

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