Use fail_with

modules/exploits/windows/smb/psexec_psh.rb

@@ -84,8 +84,8 @@ class Metasploit3 < Msf::Exploit::Remote
 			begin
 				smb_login
 			rescue StandardError => autherror
-				print_error("#{peer} - Unable to authenticate with given credentials: #{autherror}")
-				return
+				disconnect
+				fail_with(Exploit::Failure::NoAccess, "#{peer} - Unable to authenticate with given credentials: #{autherror}")
 			end
 			# Execute the powershell command
 			begin
@@ -93,10 +93,9 @@ class Metasploit3 < Msf::Exploit::Remote
 				vprint_good(command)
 				return psexec(command)
 			rescue StandardError => exec_command_error
-				print_error("#{peer} - Unable to execute specified command: #{exec_command_error}")
-				return false
+				disconnect
+				fail_with(Exploit::Failure::Unknown, "#{peer} - Unable to execute specified command: #{exec_command_error}")
 			end
-			disconnect
 		end
 	end