ET USER_AGENTS Observed Suspicious UA (NSIS_Inetc (Mozilla))

Query · suricata

flow:established,to_server;
http.user_agent;
content:"NSIS|5f|Inetc|20 28|Mozilla|29|";
Raw source ET USER_AGENTS Observed Suspicious UA (NSIS_Inetc (Mozilla)) · 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 USER_AGENTS Observed Suspicious UA (NSIS_Inetc (Mozilla))";
    flow:established,to_server;
    http.user_agent;
    content:"NSIS|5f|Inetc|20 28|Mozilla|29|";
    classtype:bad-unknown;
    sid:2011227; rev:7;
    metadata:attack_target Client_Endpoint, created_at 2010_07_30, deployment Perimeter, confidence High, signature_severity Minor, updated_at 2020_08_31;
)

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