ET WEB_CLIENT Blatantly Evil JS Function

Query · suricata

flow:established,from_server;
file_data;
content:"function heap"; nocase;
content:"spray"; nocase; within:6;
Raw source ET WEB_CLIENT Blatantly Evil JS Function · Suricata
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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 WEB_CLIENT Blatantly Evil JS Function";
    flow:established,from_server;
    file_data;
    content:"function heap"; nocase;
    content:"spray"; nocase; within:6;
    classtype:trojan-activity;
    sid:2017498; rev:3;
    metadata:created_at 2013_09_20, signature_severity Major, updated_at 2019_07_26;
)

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