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Obscure passwords with Base64 and fix indentation

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Fixes #3064
This commit is contained in:
CodingWonders
2024-11-24 12:52:59 +01:00
parent 9dcf8dd50e
commit 706f65f631
1 changed files with 30 additions and 7 deletions
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27
functions/microwin/Microwin-NewUnattend.ps1
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@ -31,7 +31,7 @@ function Microwin-NewUnattend {
<Group>Administrators</Group>
<Password>
<Value>PW-REPLACEME</Value>
<PlainText>true</PlainText>
<PlainText>PT-STATUS</PlainText>
</Password>
</LocalAccount>
</LocalAccounts>
@ -42,7 +42,7 @@ function Microwin-NewUnattend {
<LogonCount>1</LogonCount>
<Password>
<Value>PW-REPLACEME</Value>
<PlainText>true</PlainText>
<PlainText>PT-STATUS</PlainText>
</Password>
</AutoLogon>
<OOBE>
@ -301,9 +301,32 @@ function Microwin-NewUnattend {
# Replace the placeholder text with the Specialize pass
$unattend = $unattend.Replace("<#REPLACEME#>", $specPass).Trim()
}
# User password in Base64. According to Microsoft, this is the way you can hide this sensitive information.
# More information can be found here: https://learn.microsoft.com/en-us/windows-hardware/customize/desktop/wsim/hide-sensitive-data-in-an-answer-file
# Yeah, I know this is not the best way to protect this kind of data, but we all know how Microsoft is - a cheese grater without holes in terms of security
$b64pass = ""
# Replace default User and Password values with the provided parameters
$unattend = $unattend.Replace("USER-REPLACEME", $userName).Trim()
try {
# I want to play it safe here - I don't want encoding mismatch problems like last time
# NOTE: "Password" needs to be appended to the password specified by the user. Otherwise, a parse error will occur when processing oobeSystem.
# This will not be added to the actual password stored in the target system's SAM file - only the provided password
$b64pass = [Convert]::ToBase64String([System.Text.Encoding]::Unicode.GetBytes("$($userPassword)Password"))
} catch {
$b64pass = ""
}
if ($b64pass -ne "") {
# If we could encode the password with Base64, put it in the answer file and indicate that it's NOT in plain text
$unattend = $unattend.Replace("PW-REPLACEME", $b64pass).Trim()
$unattend = $unattend.Replace("PT-STATUS", "false").Trim()
$b64pass = ""
} else {
$unattend = $unattend.Replace("PW-REPLACEME", $userPassword).Trim()
$unattend = $unattend.Replace("PT-STATUS", "true").Trim()
}
# Save unattended answer file with UTF-8 encoding
$unattend | Out-File -FilePath "$env:temp\unattend.xml" -Force -Encoding utf8