ET WEB_SERVER Possible Cookie Based BackDoor Used in Drupal Attacks

Query · suricata

flow:established,to_server;
http.cookie;
content:"preg_replace"; nocase;
Raw source ET WEB_SERVER Possible Cookie Based BackDoor Used in Drupal Attacks · 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 -> $HTTP_SERVERS any (
    msg:"ET WEB_SERVER Possible Cookie Based BackDoor Used in Drupal Attacks";
    flow:established,to_server;
    http.cookie;
    content:"preg_replace"; nocase;
    reference:url,www.kahusecurity.com/posts/drupal_7_sql_injection_info.html;
    classtype:attempted-user;
    sid:2019627; rev:4;
    metadata:created_at 2014_11_03, confidence Medium, signature_severity Major, updated_at 2020_08_27;
)

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