ET WEB_SERVER Possible SQL Injection CHAR() in HTTP Request Body M2

Query · suricata

flow:established,to_server;
http.request_body;
content:"CHAR("; nocase;
pcre:"/^(?:[0-9]{2,3}|0x[0-9]{2,3})\x2c/R";
target:dest_ip;
Raw source ET WEB_SERVER Possible SQL Injection CHAR() in HTTP Request Body M2 · 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 WEB_SERVER Possible SQL Injection CHAR() in HTTP Request Body M2";
    flow:established,to_server;
    http.request_body;
    content:"CHAR("; nocase;
    pcre:"/^(?:[0-9]{2,3}|0x[0-9]{2,3})\x2c/R";
    reference:url,owasp.org/www-community/attacks/SQL_Injection;
    classtype:attempted-admin;
    sid:2053446; rev:1;
    metadata:affected_product Web_Server_Applications, attack_target Web_Server, created_at 2024_06_11, deployment Perimeter, deployment SSLDecrypt, performance_impact Moderate, confidence Medium, signature_severity Major, tag SQL_Injection, updated_at 2024_06_11, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
    target:dest_ip;
)

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