ET EXPLOIT_KIT Unknown Java Exploit Kit 32-32 byte hex initial landing

Query · suricata

flow:established,to_server;
http.uri;
content:"/?"; fast_pattern;
isdataat:64,relative;
content:"="; distance:32; within:1;
pcre:"/\/\?[a-f0-9]{32}=[^&]+&[a-f0-9]{32}=[^&]+$/";
Raw source ET EXPLOIT_KIT Unknown Java Exploit Kit 32-32 byte hex initial landing · 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 -> $EXTERNAL_NET any (
    msg:"ET EXPLOIT_KIT Unknown Java Exploit Kit 32-32 byte hex initial landing";
    flow:established,to_server;
    http.uri;
    content:"/?"; fast_pattern;
    isdataat:64,relative;
    content:"="; distance:32; within:1;
    pcre:"/\/\?[a-f0-9]{32}=[^&]+&[a-f0-9]{32}=[^&]+$/";
    classtype:exploit-kit;
    sid:2015781; rev:3;
    metadata:created_at 2012_10_05, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_04_22;
)

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