alert http $EXTERNAL_NET any -> $HTTP_SERVERS any (msg:"ET WEB_SERVER SELECT USER SQL Injection Attempt in URI"; flow:established,to_server; http.uri; content:"SELECT"; nocase; content:"USER"; nocase; pcre:"/SELECT[^a-z]+USER/i"; reference:url,en.wikipedia.org/wiki/SQL_injection; classtype:web-application-attack; sid:2010963; rev:7; metadata:affected_product Web_Server_Applications, attack_target Web_Server, created_at 2010_07_30, deployment Datacenter, signature_severity Major, tag SQL_Injection, updated_at 2020_08_20, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;)