How do I decrypt user passwords that are encrypted and used in Windows 7 Sysprep unattend.xml file?
What Encryption method is used in this file?
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It is a base64-encoded string. The way to make the original password visible is to unencode (decode) it. You can do this with a PowerShell script like this:
$encryptedpassword = "SQBKAHMALgBiAGwAbwBlAG0AMwBQAGEAcwBzAHcAbwByAGQA" Write-Host [system.text.encoding]::Unicode.GetString([system.convert]::Frombase64string($encryptedpassword))
or use online base64 decoder like this: https://www.base64decode.org/