vsftpd_232: Improve wording

Author: g0tmi1k

modules/auxiliary/dos/ftp/vsftpd_232.rb

@@ -12,8 +12,8 @@ def initialize(info = {})
     super(
       update_info(
         info,
-        'Name'	=> 'VSFTPD 2.3.2 Denial of Service',
-        'Description'	=> %q{
+        'Name' => 'VSFTPD 2.3.2 and Earlier STAT Denial of Service',
+        'Description' => %q{
           This module triggers a Denial of Service condition in the VSFTPD server in
           versions before 2.3.3 (tested on 2.3.0, 2.3.1, and 2.3.2).
           Version 2.3.3 and higher should not be vulnerable.
@@ -51,13 +51,15 @@ def check
         print_error('Connection refused')
         return Exploit::CheckCode::Unknown('Failed to connect or authenticate via FTP')
       end
-      vprint_status("FTP banner: #{banner.strip}") if banner
+
+      banner = banner.to_s.strip
+      vprint_status("FTP banner: #{banner.strip}") unless banner.empty?
       report_service(
         host: rhost,
         port: rport,
         proto: 'tcp',
         name: 'ftp',
-        info: banner.strip
+        info: banner.to_s.gsub(/^\d{3}[\s-]/, '').strip.gsub(/\A\(|\)\z/, '')
       )
     rescue Rex::ConnectionRefused
       print_error('Connection refused')
@@ -66,6 +68,7 @@ def check
       print_error('Connection timed out')
       return Exploit::CheckCode::Unknown('Connection timed out')
     end
+
     s = ''
     loop do
       # get each line until our desired line shows or end line shows
@@ -121,11 +124,11 @@ def run
       print_error('Connection reset!')
     rescue Rex::ConnectionRefused
       print("\n")
-      print_good('Connection refused! Appears DOS attack succeeded')
+      print_good('Connection refused! Appears DoS attack succeeded')
       break
     rescue EOFError
       print("\n")
-      print_good('Stream was cut off abruptly. Appears DOS attack succeeded')
+      print_good('Stream was cut off abruptly. Appears DoS attack succeeded')
       break
     end
     disconnect