41 lines
1.8 KiB
PowerShell
41 lines
1.8 KiB
PowerShell
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function Get-WindowsKey {
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## function to retrieve the Windows Product Key from any PC
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## by Nedim Mehic
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param ($targets = ".")
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$hklm = 2147483650
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$regPath = "Software\Microsoft\Windows NT\CurrentVersion"
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$regValue = "DigitalProductId"
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Foreach ($target in $targets) {
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$productKey = $null
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$win32os = $null
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$wmi = [WMIClass]"\\$target\root\default:stdRegProv"
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$data = $wmi.GetBinaryValue($hklm,$regPath,$regValue)
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$binArray = ($data.uValue)[52..66]
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$charsArray = "B","C","D","F","G","H","J","K","M","P","Q","R","T","V","W","X","Y","2","3","4","6","7","8","9"
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## decrypt base24 encoded binary data
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For ($i = 24; $i -ge 0; $i--) {
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$k = 0
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For ($j = 14; $j -ge 0; $j--) {
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$k = $k * 256 -bxor $binArray[$j]
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$binArray[$j] = [math]::truncate($k / 24)
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$k = $k % 24
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}
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$productKey = $charsArray[$k] + $productKey
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If (($i % 5 -eq 0) -and ($i -ne 0)) {
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$productKey = "-" + $productKey
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}
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}
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$win32os = Get-WmiObject Win32_OperatingSystem -computer $target
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$obj = New-Object Object
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$obj | Add-Member Noteproperty Computer -value $target
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$obj | Add-Member Noteproperty Caption -value $win32os.Caption
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$obj | Add-Member Noteproperty CSDVersion -value $win32os.CSDVersion
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$obj | Add-Member Noteproperty OSArch -value $win32os.OSArchitecture
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$obj | Add-Member Noteproperty BuildNumber -value $win32os.BuildNumber
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$obj | Add-Member Noteproperty RegisteredTo -value $win32os.RegisteredUser
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$obj | Add-Member Noteproperty ProductID -value $win32os.SerialNumber
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$obj | Add-Member Noteproperty ProductKey -value $productkey
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$obj
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}
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}
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