alert http $EXTERNAL_NET any -> $HTTP_SERVERS any (msg:"ET WEB_SPECIFIC_APPS WHMCS lt 5.2.8 SQL Injection"; flow:established,to_server; http.uri; content:"[sqltype]="; nocase; content:"[value]="; nocase; content:".php?"; nocase; reference:url,localhost.re/res/whmcs2.py; classtype:attempted-admin; sid:2017622; rev:7; metadata:affected_product Web_Server_Applications, attack_target Web_Server, created_at 2013_10_21, deployment Datacenter, signature_severity Major, tag SQL_Injection, updated_at 2020_04_27, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;)