alert http $EXTERNAL_NET any -> $HTTP_SERVERS any (msg:"ET WEB_SPECIFIC_APPS KLINK txtCodiInfo parameter UNION SELECT SQL Injection Attempt"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/interna.php?"; nocase; content:"txtCodiInfo="; nocase; content:"UNION"; nocase; content:"SELECT"; nocase; distance:0; reference:url,packetstormsecurity.org/files/view/97186/klink-sql.txt; classtype:web-application-attack; sid:2012790; rev:4; metadata:affected_product Web_Server_Applications, attack_target Web_Server, created_at 2011_05_09, deployment Datacenter, signature_severity Major, tag SQL_Injection, updated_at 2020_04_20, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;)