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

Vagrant/scripts/install-evtx-attack-samples.ps1

@@ -0,0 +1,70 @@
+# Purpose: Downloads and indexes the EVTX samples from https://github.com/sbousseaden/EVTX-ATTACK-SAMPLES/ into Splunk
+
+Write-Host "$('[{0:HH:mm}]' -f (Get-Date)) Indexing EVTX Attack Samples into Splunk..."
+
+# Disabling the progress bar speeds up IWR https://github.com/PowerShell/PowerShell/issues/2138
+$ProgressPreference = 'SilentlyContinue'
+# GitHub requires TLS 1.2 as of 2/27
+[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12
+
+$inputsConf = "C:\Program Files\SplunkUniversalForwarder\etc\apps\Splunk_TA_windows\local\inputs.conf"
+
+# Download and unzip a copy of EVTX Attack Samples
+$evtxAttackDownloadUrl = "https://github.com/sbousseaden/EVTX-ATTACK-SAMPLES/archive/master.zip"
+$evtxAttackRepoPath = "C:\Users\vagrant\AppData\Local\Temp\evtxattack.zip"
+If (-not (Test-Path "C:\Tools\EVTX-ATTACK-SAMPLES\EVTX-ATTACK-SAMPLES-master")) {
+    Write-Host "$('[{0:HH:mm}]' -f (Get-Date)) Downloading EVTX Attack Samples"
+    Invoke-WebRequest -Uri "$evtxAttackDownloadUrl" -OutFile "$evtxAttackRepoPath"
+    Expand-Archive -path "$evtxAttackRepoPath" -destinationpath 'c:\Tools\EVTX-ATTACK-SAMPLES' -Force
+    # Add stanzas to Splunk inputs.conf to index the evtx files
+    # Huge thanks to https://www.cloud-response.com/2019/07/importing-windows-event-log-files-into.html for showing how to do this!
+    If (!(Select-String -Path $inputsConf -Pattern "evtx_attack_sample")) {
+        Write-Host "$('[{0:HH:mm}]' -f (Get-Date)) Splunk inputs.conf has not yet been modified. Adding stanzas for these evtx files now..."
+        Add-Content -Path "$inputsConf" -Value '
+[monitor://c:\Tools\EVTX-ATTACK-SAMPLES\EVTX-ATTACK-SAMPLES-master\AutomatedTestingTools\*.evtx]
+index = evtx_attack_samples
+sourcetype = preprocess-winevt
+
+[monitor://c:\Tools\EVTX-ATTACK-SAMPLES\EVTX-ATTACK-SAMPLES-master\Command and Control\*.evtx]
+index = evtx_attack_samples
+sourcetype = preprocess-winevt
+
+[monitor://c:\Tools\EVTX-ATTACK-SAMPLES\EVTX-ATTACK-SAMPLES-master\Credential Access\*.evtx]
+index = evtx_attack_samples
+sourcetype = preprocess-winevt
+
+[monitor://c:\Tools\EVTX-ATTACK-SAMPLES\EVTX-ATTACK-SAMPLES-master\Defense Evasion\*.evtx]
+index = evtx_attack_samples
+sourcetype = preprocess-winevt
+
+[monitor://c:\Tools\EVTX-ATTACK-SAMPLES\EVTX-ATTACK-SAMPLES-master\Discovery\*.evtx]
+index = evtx_attack_samples
+sourcetype = preprocess-winevt
+
+[monitor://c:\Tools\EVTX-ATTACK-SAMPLES\EVTX-ATTACK-SAMPLES-master\Execution\*.evtx]
+index = evtx_attack_samples
+sourcetype = preprocess-winevt
+
+[monitor://c:\Tools\EVTX-ATTACK-SAMPLES\EVTX-ATTACK-SAMPLES-master\Lateral Movement\*.evtx]
+index = evtx_attack_samples
+sourcetype = preprocess-winevt
+
+[monitor://c:\Tools\EVTX-ATTACK-SAMPLES\EVTX-ATTACK-SAMPLES-master\Other\*.evtx]
+index = evtx_attack_samples
+sourcetype = preprocess-winevt
+
+[monitor://c:\Tools\EVTX-ATTACK-SAMPLES\EVTX-ATTACK-SAMPLES-master\Persistence\*.evtx]
+index = evtx_attack_samples
+sourcetype = preprocess-winevt
+
+[monitor://c:\Tools\EVTX-ATTACK-SAMPLES\EVTX-ATTACK-SAMPLES-master\Privilege Escalation\*.evtx]
+index = evtx_attack_samples
+sourcetype = preprocess-winevt'
+        # Restart the forwarder to pick up changes
+        Write-Host "$('[{0:HH:mm}]' -f (Get-Date)) Restarting the Splunk Forwarder..."
+        Restart-Service SplunkForwarder
+        Write-Host "$('[{0:HH:mm}]' -f (Get-Date)) Done! Look in 'index=EVTX-ATTACK-SAMPLES' in Splunk to query these samples."
+    }
+} Else {
+    Write-Host "$('[{0:HH:mm}]' -f (Get-Date)) EVTX attack samples were already installed. Moving On."
+}

Vagrant/scripts/install-microsoft-ata.ps1

@@ -28,14 +28,14 @@ public static class SSLValidator {
 If (-not (Test-Path "C:\Program Files\Microsoft Advanced Threat Analytics\Center"))
 {
     $download = $false
-    If (-not (Test-Path "$env:temp\$title.iso"))
+    If (-not (Test-Path "c:\$title.iso"))
     {
         Write-Host "$('[{0:HH:mm}]' -f (Get-Date)) $title.iso doesn't exist yet, downloading..."
         $download = $true
     }
     Else
     {
-        $actualHash = (Get-FileHash -Algorithm SHA256 -Path "$env:temp\$title.iso").Hash
+        $actualHash = (Get-FileHash -Algorithm SHA256 -Path "c:\$title.iso").Hash
         If (-not ($actualHash -eq $fileHash))
         {
             Write-Host "$('[{0:HH:mm}]' -f (Get-Date)) $title.iso exists, but the hash did not validate successfully. Downloading a new copy..."
@@ -47,21 +47,21 @@ If (-not (Test-Path "C:\Program Files\Microsoft Advanced Threat Analytics\Center
         Write-Host "$('[{0:HH:mm}]' -f (Get-Date)) Downloading $title..."
         # Disabling the progress bar speeds up IWR https://github.com/PowerShell/PowerShell/issues/2138
         $ProgressPreference = 'SilentlyContinue'
-        Invoke-WebRequest -Uri $downloadUrl -OutFile "$env:temp\$title.iso"
-        $actualHash = (Get-FileHash -Algorithm SHA256 -Path "$env:temp\$title.iso").Hash
+        Invoke-WebRequest -Uri $downloadUrl -OutFile "c:\$title.iso"
+        $actualHash = (Get-FileHash -Algorithm SHA256 -Path "c:\$title.iso").Hash
         If (-not ($actualHash -eq $fileHash))
         {
             Write-Host "$('[{0:HH:mm}]' -f (Get-Date)) $title.iso was not downloaded correctly: hash from downloaded file: $actualHash, should've been: $fileHash. Re-trying using BitsAdmin now..."
-            Remove-Item -Path "$env:temp\$title.iso" -Force
-            bitsadmin /Transfer ATA $downloadUrl "$env:temp\$title.iso"
-            $actualHash = (Get-FileHash -Algorithm SHA256 -Path "$env:temp\$title.iso").Hash
+            Remove-Item -Path "c:\$title.iso" -Force
+            bitsadmin /Transfer ATA $downloadUrl "c:\$title.iso"
+            $actualHash = (Get-FileHash -Algorithm SHA256 -Path "c:\$title.iso").Hash
             If (-not ($actualHash -eq $fileHash))
             {
                 Throw "$title.iso was not downloaded correctly after a retry: hash from downloaded file: $actualHash, should've been: $fileHash - Giving up."
             }
         }
     }
-    $Mount = Mount-DiskImage -ImagePath "$env:temp\$title.iso" -StorageType ISO -Access ReadOnly -PassThru
+    $Mount = Mount-DiskImage -ImagePath "c:\$title.iso" -StorageType ISO -Access ReadOnly -PassThru
     $Volume = $Mount | Get-Volume
     Write-Host "$('[{0:HH:mm}]' -f (Get-Date)) Installing $title"
     $Install = Start-Process -Wait -FilePath ($Volume.DriveLetter + ":\Microsoft ATA Center Setup.exe") -ArgumentList "/q --LicenseAccepted NetFrameworkCommandLineArguments=`"/q`" --EnableMicrosoftUpdate" -PassThru

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."
 }