Fix VSS Persistance to check integrity level

modules/exploits/windows/local/vss_persistence.rb

@@ -11,7 +11,6 @@ class Metasploit3 < Msf::Exploit::Local
   Rank = ExcellentRanking
 
   include Msf::Post::File
-  include Msf::Post::Windows::Priv
   include Msf::Post::Windows::ShadowCopy
   include Msf::Post::Windows::Registry
   include Msf::Exploit::EXE
@@ -66,7 +65,7 @@ class Metasploit3 < Msf::Exploit::Local
       return
     end
 
-    if is_uac_enabled?
+    unless is_high_integrity?
       print_error("This module requires UAC to be bypassed first")
       return
     end