ci: validate Arsenal Image Mounter downloads hash

This commits adds a content hash match for the Arsenal Image Mounter files to validate that the content of the files we download are as expected.

.circleci/config.yml

@@ -88,20 +88,7 @@ commands:
           # Useful resources for AIM: http://reboot.pro/index.php?showtopic=22068
           name: 'Arsenal Image Mounter (RAM Disk)'
           command: |
-            # Download AIM Drivers
-            Invoke-WebRequest 'https://github.com/ArsenalRecon/Arsenal-Image-Mounter/raw/988930e4b3180ec34661504e6f9906f98943a022/DriverSetup/DriverFiles.zip' -OutFile 'aim_drivers.zip' -UseBasicParsing
-            Expand-Archive -Path 'aim_drivers.zip'
-
-            # Download AIM CLI
-            Invoke-WebRequest 'https://github.com/ArsenalRecon/Arsenal-Image-Mounter/raw/988930e4b3180ec34661504e6f9906f98943a022/Command%20line%20applications/aim_ll.zip' -OutFile 'aim_ll.zip' -UseBasicParsing
-            Expand-Archive -Path 'aim_ll.zip'
-
-            # Install AIM drivers
-            ./aim_ll/x64/aim_ll.exe --install ./aim_drivers
-
-            # Setup RAM disk mount. Same parameters as ImDisk
-            # See: https://support.circleci.com/hc/en-us/articles/4411520952091-Create-a-windows-RAM-disk
-            ./aim_ll/x64/aim_ll.exe -a -s 5G -m X: -p "/fs:ntfs /q /y"
+            pwsh ./.circleci/win-ram-disk.ps
       - run: nvm install 16.10
       - run: nvm use 16.10
       - run: npm install -g yarn@1.22.10

.circleci/win-ram-disk.ps1

@@ -0,0 +1,22 @@
+# Download AIM Drivers and validate hash
+Invoke-WebRequest "https://github.com/ArsenalRecon/Arsenal-Image-Mounter/raw/988930e4b3180ec34661504e6f9906f98943a022/DriverSetup/DriverFiles.zip" -OutFile "aim_drivers.zip" -UseBasicParsing
+$aimDriversDownloadHash = (Get-FileHash aim_drivers.zip -a sha256).Hash
+If ($aimDriversDownloadHash -ne "1F5AA5DD892C2D5E8A0083752B67C6E5A2163CD83B6436EA545508D84D616E02") {
+  throw "aim_drivers.zip hash is ${aimDriversDownloadHash} which didn't match the known version."
+}
+Expand-Archive -Path "aim_drivers.zip"
+
+# Download AIM CLI and validate hash
+Invoke-WebRequest "https://github.com/ArsenalRecon/Arsenal-Image-Mounter/raw/988930e4b3180ec34661504e6f9906f98943a022/Command%20line%20applications/aim_ll.zip" -OutFile "aim_ll.zip" -UseBasicParsing
+$aimCliDownloadHash = (Get-FileHash aim_ll.zip -a sha256).Hash
+If ($aimCliDownloadHash -ne "9AD3058F14595AC4A5E5765A9746737D31C219383766B624FCBA4C5ED96B20F3") {
+  throw "aim_ll.zip hash is ${aimCliDownloadHash} which didn't match the known version."
+}
+Expand-Archive -Path "aim_ll.zip"
+
+# Install AIM drivers
+./aim_ll/x64/aim_ll.exe --install ./aim_drivers
+
+# Setup RAM disk mount. Same parameters as ImDisk
+# See: https://support.circleci.com/hc/en-us/articles/4411520952091-Create-a-windows-RAM-disk
+./aim_ll/x64/aim_ll.exe -a -s 5G -m X: -p "/fs:ntfs /q /y"