ET WEB_SERVER SELECT INSTR in URI Possible ORACLE Related Blind SQL Injection Attempt

Query · suricata

flow:established,to_server;
http.uri;
content:"SELECT"; nocase;
content:"INSTR"; nocase;
pcre:"/SELECT.+INSTR/i";
Raw source ET WEB_SERVER SELECT INSTR in URI Possible ORACLE Related Blind SQL Injection Attempt · 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 SELECT INSTR in URI Possible ORACLE Related Blind SQL Injection Attempt";
    flow:established,to_server;
    http.uri;
    content:"SELECT"; nocase;
    content:"INSTR"; nocase;
    pcre:"/SELECT.+INSTR/i";
    reference:url,www.psoug.org/reference/substr_instr.html;
    reference:url,www.easywebtech.com/artical/Oracle_INSTR.html;
    reference:url,www.owasp.org/index.php/SQL_Injection;
    reference:url,msdn.microsoft.com/en-us/library/ms161953.aspx;
    classtype:web-application-attack;
    sid:2010284; rev:7;
    metadata:affected_product Web_Server_Applications, attack_target Web_Server, created_at 2010_07_30, deployment Datacenter, confidence Medium, signature_severity Major, tag SQL_Injection, updated_at 2020_09_14, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
)

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