alert tcp $EXTERNAL_NET $HTTP_PORTS -> $HOME_NET any (msg:"ET WEB_CLIENT Attempt to execute VBScript code"; flow:from_server,established; content:"vbscript"; nocase; pcre:"/(((URL|SRC|HREF|LOWSRC)[\s]*=)|(url[\s]*[\(]))[\s]*['"]*vbscript[\:]/i"; classtype:misc-attack; sid:2001099; rev:10; metadata:affected_product Web_Browsers, affected_product Web_Browser_Plugins, attack_target Client_Endpoint, created_at 2010_07_30, deployment Perimeter, signature_severity Major, tag Web_Client_Attacks, updated_at 2019_07_26;)