77 lines
2.5 KiB
PowerShell
77 lines
2.5 KiB
PowerShell
$RemoteURL = "https://git.mrmeeb.stream/MrMeeb/sure-recover-boot-wiper/raw/branch/main/payload"
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$StagingDir = "$TEMP\SRBW"
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# Make staging directory
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mkdir -Path $StagingDir
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# Download compressed boot dir to Staging Dir
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Invoke-WebRequest -Uri $RemoteURL/boot.zip -OutFile $StagingDir\boot.zip
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# Expand boot.zip to C:\Boot
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Expand-Archive -Path $StagingDir\boot.zip -DestinationPath C:\boot
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# Download WinPE wim to C:\Sources\boot.wim
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mkdir -Path C:\Sources
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Invoke-WebRequest -Uri $RemoteURL/boot.wim -OutFile C:\Sources\boot.wim
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function BootToPE {
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<#
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.Synopsis
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This script will create a ramdisk containing the boot.wim which the computer will boot to on restart. This script will work only on Windows Imaging environment.
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.Prerequisites
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- From the Windows PE boot USB, copy boot.wim in the Sources folder to C:\Sources on the target
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- From the Windows PE boot USB, copy the Boot folder to C:\ on the target
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.Notes
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Because "bcdedit /bootsequence" is used, the computer should boot back into Windows when restarted if imaging is cancelled.
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#>
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# Checks that Disk 0 is the boot disk.
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$DISKZERO = Get-Disk 0
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If ($DISKZERO.IsBoot -ne $true) {
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Write-Host "Disk 0 is not the boot disk. Exiting..."
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Exit 999
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}
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else {
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Write-Host "Disk 0 is the boot disk. Proceeding..."
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}
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# Create {ramdiskoptions} and configure
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bcdedit -create "{ramdiskoptions}"
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bcdedit /set "{ramdiskoptions}" ramdisksdidevice partition=C:
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bcdedit /set "{ramdiskoptions}" ramdisksdipath \boot\boot.sdi
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# Add LiteTouch boot device to OSLOADER
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$Output = bcdedit -create /d "LiteTouch MDT" /application OSLOADER
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# Obtain LiteTouch boot device GUID
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$LTGUID = $Output | %{ $_.split(' ')[2] }
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# Configure LiteTouch to ramdisk boot
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bcdedit /set $LTGUID device "ramdisk=[C:]\sources\boot.wim,{ramdiskoptions}"
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bcdedit /set $LTGUID osdevice "ramdisk=[C:]\sources\boot.wim,{ramdiskoptions}"
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bcdedit /set $LTGUID systemroot \windows
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bcdedit /set $LTGUID detecthal yes
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bcdedit /set $LTGUID winpe yes
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# Adjust for UEFI vs Legacy BIOS types
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if ($env:firmware_type -eq 'UEFI'){
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Write-Host "UEFI boot confirmed."
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bcdedit /set $LTGUID path \windows\system32\boot\winload.efi
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}
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Else {
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Write-Host "Legacy boot confirmed."
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bcdedit /set $LTGUID path \windows\system32\boot\winload.exe
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}
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# Force LiteTouch ramdisk on next boot and restart
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bcdedit /bootsequence $LTGUID
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shutdown /r /f /t 0
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} |