ET WEB_CLIENT Possible Malicious Redirect 8x8 script tag URI struct

Query · suricata

flow:established,to_server;
http.uri;
content:".php?id="; fast_pattern;
pcre:"/\/(?=[a-zA-Z\d]{0,6}[a-z][A-Z])[A-Za-z\d]{8}\.php\?id=\d{6,9}$/";
Raw source ET WEB_CLIENT Possible Malicious Redirect 8x8 script tag URI struct · 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 -> $EXTERNAL_NET any (
    msg:"ET WEB_CLIENT Possible Malicious Redirect 8x8 script tag URI struct";
    flow:established,to_server;
    http.uri;
    content:".php?id="; fast_pattern;
    pcre:"/\/(?=[a-zA-Z\d]{0,6}[a-z][A-Z])[A-Za-z\d]{8}\.php\?id=\d{6,9}$/";
    classtype:trojan-activity;
    sid:2021552; rev:4;
    metadata:created_at 2015_07_30, confidence Medium, signature_severity Major, updated_at 2020_10_01;
)

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