Adding ATA to Packer image, adding evtx-attack-samples

Vagrant/scripts/install-utilities.ps1

@@ -3,7 +3,7 @@
 If (-not (Test-Path "C:\ProgramData\chocolatey")) {
   [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12
   Write-Host "$('[{0:HH:mm}]' -f (Get-Date)) Installing Chocolatey"
-  iex ((new-object net.webclient).DownloadString('https://chocolatey.org/install.ps1'))
+  Invoke-Expression ((new-object net.webclient).DownloadString('https://chocolatey.org/install.ps1'))
 } else {
   Write-Host "$('[{0:HH:mm}]' -f (Get-Date)) Chocolatey is already installed."
 }