alert tcp $EXTERNAL_NET any -> $HTTP_SERVERS $HTTP_PORTS (msg:"ET WEB_SPECIFIC_APPS dev4u CMS SQL Injection Attempt -- index.php go_target UNION SELECT"; flow:established,to_server; content:"/index.php?"; http_uri; nocase; content:"go_target="; http_uri; nocase; content:"UNION"; http_uri; nocase; pcre:"/.+UNION\s+SELECT/Ui"; reference:cve,CVE-2006-6218; reference:url,www.securityfocus.com/bid/21170; classtype:web-application-attack; sid:2006964; rev:6; 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 2019_08_22, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;)