Fix hostname variable when disabling Windows Defender

Vagrant/Vagrantfile

@@ -119,7 +119,6 @@ Vagrant.configure("2") do |config|
     cfg.vm.hostname = "win10"
 
     cfg.vm.communicator = "winrm"
-    cfg.vm.provision "shell", inline: "Set-MpPreference -ExclusionPath C:\\commander.exe, C:\\Tools"
     cfg.vm.network :private_network, ip: "192.168.38.4", gateway: "192.168.38.1", dns: "192.168.38.2"
 
     cfg.vm.provision "shell", path: "scripts/fix-second-network.ps1", privileged: false, args: "-ip 192.168.38.4 -dns 192.168.38.2"

Vagrant/scripts/install-utilities.ps1

@@ -20,8 +20,9 @@ apm install language-batch
 apm install language-docker
 
 # Disable Windows Defender realtime scanning before downloading Mimikatz
-If ($hostname -eq "win10") {
+If ($env:computername -eq "WIN10") {
   set-MpPreference -DisableRealtimeMonitoring $true
+  Set-MpPreference -ExclusionPath C:\commander.exe, C:\Tools
 }
 
 # Purpose: Downloads and unzips a copy of the latest Mimikatz trunk