ET EXPLOIT_KIT - Possible Redkit 1-4 char JNLP request

Query · suricata

flow:established,to_server;
urilen:<11;
http.uri;
content:".jnlp"; endswith; nocase; fast_pattern;
pcre:"/^\/[a-z0-9]{1,4}\.jnlp$/";
Raw source ET EXPLOIT_KIT - Possible Redkit 1-4 char JNLP request · 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 -> $EXTERNAL_NET any (
    msg:"ET EXPLOIT_KIT - Possible Redkit 1-4 char JNLP request";
    flow:established,to_server;
    urilen:<11;
    http.uri;
    content:".jnlp"; endswith; nocase; fast_pattern;
    pcre:"/^\/[a-z0-9]{1,4}\.jnlp$/";
    classtype:exploit-kit;
    sid:2016811; rev:8;
    metadata:created_at 2013_05_03, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_09_18;
)

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