alert http $EXTERNAL_NET any -> $HTTP_SERVERS any (msg:"GPL WEB_SERVER IISProtect access"; flow:to_server,established; content:"/iisprotect/admin/"; http_uri; nocase; reference:nessus,11661; classtype:web-application-activity; sid:2102131; rev:4; metadata:created_at 2010_09_23, signature_severity Unknown, updated_at 2019_07_26;)