alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET WEB_SPECIFIC_APPS Nagios Expand Parameter Cross Site Scripting Attempt"; flow:established,to_server; http.uri; content:"/nagios/cgi-bin/config.cgi"; nocase; content:"type=command&expand="; fast_pattern; nocase; pcre:"/^.+(?:script|alert|onmouse[a-z]+|onkey[a-z]+|onload|onunload|ondragdrop|onblur|onfocus|onclick|ondblclick|onsubmit|onreset|onselect|onchange)/Ri"; reference:bid,48087; reference:cve,2011-2179; classtype:web-application-attack; sid:2013095; rev:3; metadata:affected_product Web_Server_Applications, attack_target Web_Server, created_at 2011_06_22, cve CVE_2011_2179, deployment Datacenter, signature_severity Major, tag XSS, tag Cross_Site_Scripting, updated_at 2020_04_20;)