alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET WEB_SERVER Possible SQL Injection (varchar2) in HTTP URI"; flow:established,to_server; http.request_line; content:"varchar2("; nocase; classtype:attempted-admin; sid:2016596; rev:9; metadata:affected_product Web_Server_Applications, attack_target Web_Server, created_at 2013_03_20, deployment Datacenter, confidence Medium, signature_severity Major, tag SQL_Injection, updated_at 2024_11_28, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;)