Last active
February 14, 2017 18:31
-
-
Save steubens/214b643d10e59c4999a5 to your computer and use it in GitHub Desktop.
Retrieve Windows Key via Powershell
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
function Get-WindowsKey { | |
## function to retrieve the Windows Product Key from any PC | |
param ($targets = ".") | |
$hklm = 2147483650 | |
$regPath = "Software\Microsoft\Windows NT\CurrentVersion\DefaultProductKey" | |
$regValue = "DigitalProductId" | |
Foreach ($target in $targets) { | |
$productKey = $null | |
$win32os = $null | |
$wmi = [WMIClass]"\\$target\root\default:stdRegProv" | |
$data = $wmi.GetBinaryValue($hklm,$regPath,$regValue) | |
$binArray = ($data.uValue)[52..66] | |
$charsArray = "B","C","D","F","G","H","J","K","M","P","Q","R","T","V","W","X","Y","2","3","4","6","7","8","9" | |
## decrypt base24 encoded binary data | |
For ($i = 24; $i -ge 0; $i--) { | |
$k = 0 | |
For ($j = 14; $j -ge 0; $j--) { | |
$k = $k * 256 -bxor $binArray[$j] | |
$binArray[$j] = [math]::truncate($k / 24) | |
$k = $k % 24 | |
} | |
$productKey = $charsArray[$k] + $productKey | |
If (($i % 5 -eq 0) -and ($i -ne 0)) { | |
$productKey = "-" + $productKey | |
} | |
} | |
$win32os = Get-WmiObject Win32_OperatingSystem -computer $target | |
$obj = New-Object Object | |
$obj | Add-Member Noteproperty Computer -value $target | |
$obj | Add-Member Noteproperty Caption -value $win32os.Caption | |
$obj | Add-Member Noteproperty CSDVersion -value $win32os.CSDVersion | |
$obj | Add-Member Noteproperty OSArch -value $win32os.OSArchitecture | |
$obj | Add-Member Noteproperty BuildNumber -value $win32os.BuildNumber | |
$obj | Add-Member Noteproperty RegisteredTo -value $win32os.RegisteredUser | |
$obj | Add-Member Noteproperty ProductID -value $win32os.SerialNumber | |
$obj | Add-Member Noteproperty ProductKey -value $productkey | |
$obj | |
} | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment