ET EXPLOIT_KIT Java UA Requesting Numeric.ext From Base Dir (Observed in Redkit/Sakura)

Query · suricata

flow:established,to_server;
http.uri;
content:!"/404."; depth:5;
pcre:"/^\/\d{2,}\.[a-z0-9]+$/i";
http.user_agent;
content:"Java/1.";
Raw source ET EXPLOIT_KIT Java UA Requesting Numeric.ext From Base Dir (Observed in Redkit/Sakura) · 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 -> $EXTERNAL_NET any (
    msg:"ET EXPLOIT_KIT Java UA Requesting Numeric.ext From Base Dir (Observed in Redkit/Sakura)";
    flow:established,to_server;
    http.uri;
    content:!"/404."; depth:5;
    pcre:"/^\/\d{2,}\.[a-z0-9]+$/i";
    http.user_agent;
    content:"Java/1.";
    classtype:exploit-kit;
    sid:2017199; rev:5;
    metadata:created_at 2013_07_26, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_04_24;
)

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