ftp: Report if host is up but service doesn't match

Author: g0tmi1k

lib/msf/core/exploit/remote/ftp.rb

@@ -90,6 +90,20 @@ def connect(global = true, verbose = nil)
         type: 'ftp.banner',
         data: { banner: Rex::Text.to_hex_ascii(self.banner.strip) }
       )
+    else
+      report_service(
+        host: rhost,
+        port: rport,
+        proto: 'tcp',
+        name: 'unknown',
+        info: Rex::Text.to_hex_ascii(banner.to_s.strip).presence || 'Non-FTP service',
+        parents: {
+          host: rhost,
+          port: rport,
+          proto: 'tcp',
+          name: 'tcp'
+        }
+      )
     end
 
     # Return the file descriptor to the caller