ET HUNTING SUSPICIOUS Java Lang Runtime in Response

Query · suricata

flow:from_server,established;
file_data;
content:!"|CA FE BA BE|"; within:4;
content:"getClass"; nocase;
content:"java.lang.Runtime"; nocase; fast_pattern;
content:"getRuntime"; nocase;
content:"exec"; nocase;
content:"script"; nocase;
Raw source ET HUNTING SUSPICIOUS Java Lang Runtime in Response · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET HUNTING SUSPICIOUS Java Lang Runtime in Response";
    flow:from_server,established;
    file_data;
    content:!"|CA FE BA BE|"; within:4;
    content:"getClass"; nocase;
    content:"java.lang.Runtime"; nocase; fast_pattern;
    content:"getRuntime"; nocase;
    content:"exec"; nocase;
    content:"script"; nocase;
    classtype:exploit-kit;
    sid:2018172; rev:3;
    metadata:created_at 2014_02_25, confidence Medium, signature_severity Minor, updated_at 2019_10_08;
)

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