alert http $EXTERNAL_NET any -> $HTTP_SERVERS any (msg:"ET WEB_SPECIFIC_APPS gpEasy CMS key parameter XSS Attempt"; flow:established,to_server; http.uri; content:"/index.php/Admin_Theme_Content?"; nocase; content:"cmd=edittext"; nocase; fast_pattern; content:"key="; nocase; pcre:"/^.+?(?:on(?:(?:s(?:elec|ubmi)|rese)t|d(?:blclick|ragdrop)|(?:mouse|key)[a-z]|c(?:hange|lick)|(?:un)?load|focus|blur)|s(?:cript|tyle=))/Ri"; reference:url,1337day.com/exploit/19949; classtype:web-application-attack; sid:2016116; rev:3; metadata:created_at 2012_12_29, signature_severity Major, updated_at 2020_04_22;)