alert http $EXTERNAL_NET any -> $HTTP_SERVERS any (msg:"GPL ATTACK_RESPONSE directory listing"; flow:to_server,established; http.uri; content:"/ServerVariables_Jscript.asp"; nocase; reference:nessus,10573; classtype:web-application-attack; sid:2101009; rev:10; metadata:created_at 2010_09_23, confidence Medium, signature_severity Informational, updated_at 2020_09_01;)