alert tcp $EXTERNAL_NET any -> $HTTP_SERVERS $HTTP_PORTS (msg:"ET WEB_SPECIFIC_APPS SmE FileMailer SQL Injection Attempt -- index.php us UNION SELECT"; flow:established,to_server; content:"/index.php?"; http_uri; nocase; content:"us="; http_uri; nocase; content:"UNION"; http_uri; nocase; pcre:"/UNION\s+SELECT/Ui"; reference:cve,CVE-2007-0350; reference:url,www.frsirt.com/english/advisories/2007/0221; classtype:web-application-attack; sid:2005525; 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;)