ET USER_AGENTS Observed Suspicious UA (system_file/2.0)

Query · suricata

flow:established,to_server;
content:"system_file/2.0";
http.user_agent; bsize:15;
Raw source ET USER_AGENTS Observed Suspicious UA (system_file/2.0) · 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 (system_file/2.0)";
    flow:established,to_server;
    content:"system_file/2.0";
    http.user_agent; bsize:15;
    classtype:bad-unknown;
    sid:2028983; rev:1;
    metadata:affected_product Any, attack_target Client_Endpoint, created_at 2019_11_15, deployment Perimeter, confidence High, signature_severity Informational, updated_at 2019_11_15;
)

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