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Daniel Card
@@ -0,0 +1,346 @@
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#Requires -Version 5.1
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<#
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View-WindowsIdentifiers.ps1
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Purpose : READ-ONLY privacy audit. Enumerates the unique identifiers that
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Windows and the hardware expose about this machine and user -
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the values that can be used to fingerprint or correlate the
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device. Nothing is changed; this only reports.
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Shows : Machine identifiers (MachineGuid, Product ID / "PUID",
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install ID, SQM/telemetry client IDs), Windows activation /
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licensing (edition, status, partial + full product key,
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OEM firmware key), advertising / user identifiers (Advertising
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ID, user SID, MSA), and hardware identifiers (SMBIOS UUID, BIOS
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/ baseboard / disk serials, MAC addresses, TPM, CPU).
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Privacy : Output contains SENSITIVE data. By default, sensitive values are
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MASKED so the report is safe to share/screenshot. Use -Reveal to
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print full values (e.g. to back up your own product key).
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Notes : - Windows PowerShell 5.1 compatible. ASCII-only source.
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- Read-only: makes NO changes to the system.
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- Some values (OEM product key, certain WMI/TPM data) require
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Administrator; without it they show "(needs admin)".
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Usage :
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.\View-WindowsIdentifiers.ps1 # masked report
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.\View-WindowsIdentifiers.ps1 -Reveal # full values (sensitive!)
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.\View-WindowsIdentifiers.ps1 -Csv .\ids.csv # export (respects masking)
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.\View-WindowsIdentifiers.ps1 -Reveal -Csv .\ids.csv
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.\View-WindowsIdentifiers.ps1 -Json .\ids.json
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DISCLAIMER: USE AT YOUR OWN RISK. Provided as-is, no warranty. This tool
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only reports identifiers already present on YOUR machine. Handle the
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output (especially with -Reveal) as confidential.
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#>
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[CmdletBinding()]
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param(
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[switch]$Reveal,
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[string]$Csv,
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[string]$Json
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)
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Set-StrictMode -Version 2.0
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$ErrorActionPreference = 'Stop'
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# ---------------------------------------------------------------------------
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# Elevation
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# ---------------------------------------------------------------------------
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function Test-IsAdmin {
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$id = [Security.Principal.WindowsIdentity]::GetCurrent()
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$pr = New-Object Security.Principal.WindowsPrincipal($id)
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return $pr.IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)
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}
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$Script:IsAdmin = Test-IsAdmin
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# ---------------------------------------------------------------------------
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# Safe getters
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# ---------------------------------------------------------------------------
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function Get-RegVal {
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param([string]$Path, [string]$Name)
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try {
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if (-not (Test-Path -LiteralPath $Path)) { return $null }
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$p = Get-ItemProperty -LiteralPath $Path -Name $Name -ErrorAction Stop
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return $p.$Name
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} catch { return $null }
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}
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function Get-Cim {
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param([string]$Class, [string]$Namespace = 'root\cimv2', [string]$Filter = $null)
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try {
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if ($Filter) { return Get-CimInstance -ClassName $Class -Namespace $Namespace -Filter $Filter -ErrorAction Stop }
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return Get-CimInstance -ClassName $Class -Namespace $Namespace -ErrorAction Stop
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} catch { return $null }
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}
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# ---------------------------------------------------------------------------
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# Product key decoder (classic DigitalProductId base-24 decode)
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# Decodes the product key stored in the registry. Legitimate: reads YOUR
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# machine's own installed key so you can record it before a reinstall.
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# ---------------------------------------------------------------------------
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function ConvertFrom-DigitalProductId {
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param([byte[]]$Id)
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if ($null -eq $Id -or $Id.Count -lt 67) { return $null }
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try {
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$chars = 'BCDFGHJKMPQRTVWXY2346789'
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$offset = 52
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$isWin8 = [int](([math]::Floor($Id[66] / 6)) -band 1)
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$Id[66] = [byte](($Id[66] -band 0xF7) -bor (($isWin8 -band 2) * 4))
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$key = ''
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for ($i = 24; $i -ge 0; $i--) {
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$cur = 0
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for ($j = 14; $j -ge 0; $j--) {
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$cur = ($cur * 256) + [int]$Id[$offset + $j]
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$Id[$offset + $j] = [byte][math]::Floor($cur / 24)
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$cur = $cur % 24
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}
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$key = $chars[$cur] + $key
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}
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if ($isWin8 -eq 1) {
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$last = $key.Substring(1, 1)
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$key = $key.Remove(1, 1)
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$insAt = [int]$last
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$key = $key.Insert($insAt, 'N')
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}
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# group into 5x5
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$groups = @()
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for ($g = 0; $g -lt 25; $g += 5) { $groups += $key.Substring($g, 5) }
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return ($groups -join '-')
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} catch { return $null }
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}
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# ---------------------------------------------------------------------------
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# Masking
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# ---------------------------------------------------------------------------
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function Format-Masked {
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param($Value, [switch]$Sensitive)
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if ($null -eq $Value -or "$Value" -eq '') { return '(not set)' }
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$s = "$Value"
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# Never mask status placeholders like (needs admin) / (not set) / (unavailable)
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if ($s -match '^\(.*\)$') { return $s }
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if (-not $Sensitive -or $Reveal) { return $s }
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# Product-key style AAAAA-BBBBB-... : keep first and last group
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if ($s -match '^[A-Z0-9]{5}(-[A-Z0-9]{5}){4}$') {
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$parts = $s.Split('-')
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return ('{0}-XXXXX-XXXXX-XXXXX-{1}' -f $parts[0], $parts[4])
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}
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# GUID-ish / long strings: show first 6 chars
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$keep = [math]::Min(6, $s.Length)
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return ($s.Substring(0, $keep) + ('*' * [math]::Max(0, ($s.Length - $keep))))
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}
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# ---------------------------------------------------------------------------
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# Identifier collection
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# ---------------------------------------------------------------------------
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function New-Id {
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param([string]$Category, [string]$Name, $Value, [switch]$Sensitive, [string]$Source = '')
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[pscustomobject]@{
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Category = $Category
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Name = $Name
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Raw = $Value
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Sensitive = [bool]$Sensitive
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Source = $Source
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}
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}
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function Get-Identifiers {
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$ids = New-Object System.Collections.ArrayList
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$cvNt = 'HKLM:\SOFTWARE\Microsoft\Windows NT\CurrentVersion'
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$crypto = 'HKLM:\SOFTWARE\Microsoft\Cryptography'
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$sqm = 'HKLM:\SOFTWARE\Microsoft\SQMClient'
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$adv = 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\AdvertisingInfo'
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$os = Get-Cim 'Win32_OperatingSystem'
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$cs = Get-Cim 'Win32_ComputerSystem'
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$csp = Get-Cim 'Win32_ComputerSystemProduct'
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$bios = Get-Cim 'Win32_BIOS'
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$base = Get-Cim 'Win32_BaseBoard'
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$cpu = Get-Cim 'Win32_Processor'
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# ---- Machine ----
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[void]$ids.Add( (New-Id 'Machine' 'Computer name' $env:COMPUTERNAME -Source 'env') )
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[void]$ids.Add( (New-Id 'Machine' 'MachineGuid' (Get-RegVal $crypto 'MachineGuid') -Sensitive -Source 'Cryptography\MachineGuid') )
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[void]$ids.Add( (New-Id 'Machine' 'Product ID (PUID)' (Get-RegVal $cvNt 'ProductId') -Sensitive -Source 'CurrentVersion\ProductId') )
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[void]$ids.Add( (New-Id 'Machine' 'Build GUID' (Get-RegVal $cvNt 'BuildGUID') -Source 'CurrentVersion\BuildGUID') )
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[void]$ids.Add( (New-Id 'Machine' 'Install date' $(if ($os) { $os.InstallDate } else { $null }) -Source 'Win32_OperatingSystem') )
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if ($csp) {
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[void]$ids.Add( (New-Id 'Machine' 'SMBIOS UUID' $csp.UUID -Sensitive -Source 'Win32_ComputerSystemProduct') )
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[void]$ids.Add( (New-Id 'Machine' 'System SKU/IdentifyingNumber' $csp.IdentifyingNumber -Sensitive -Source 'Win32_ComputerSystemProduct') )
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}
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# ---- Telemetry client IDs ----
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[void]$ids.Add( (New-Id 'Telemetry' 'SQM Machine ID' (Get-RegVal $sqm 'MachineId') -Sensitive -Source 'SQMClient\MachineId') )
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[void]$ids.Add( (New-Id 'Telemetry' 'SQM User ID' (Get-RegVal "$sqm\Windows" 'UserId') -Sensitive -Source 'SQMClient\Windows\UserId') )
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# Diagnostics / Universal Telemetry Client ID (if present)
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$utcClientId = Get-RegVal 'HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Diagnostics\DiagTrack\SettingsRequests' 'ClientId'
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[void]$ids.Add( (New-Id 'Telemetry' 'DiagTrack Client ID' $utcClientId -Sensitive -Source 'DiagTrack\SettingsRequests\ClientId') )
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# ---- Activation / licensing ----
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if ($os) {
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[void]$ids.Add( (New-Id 'Activation' 'Windows edition' $os.Caption -Source 'Win32_OperatingSystem') )
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}
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$partial = $null; $licStatus = $null; $licDesc = $null; $chan = $null
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$lic = Get-Cim 'SoftwareLicensingProduct' -Filter "ApplicationID='55c92734-d682-4d71-983e-d6ec3f16059f' AND PartialProductKey IS NOT NULL"
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if ($lic) {
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$lic = @($lic)[0]
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$partial = $lic.PartialProductKey
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$chan = $lic.ProductKeyChannel
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$map = @{ 0='Unlicensed'; 1='Licensed'; 2='OOB Grace'; 3='OOT Grace'; 4='Non-Genuine Grace'; 5='Notification'; 6='Extended Grace' }
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$licStatus = if ($map.ContainsKey([int]$lic.LicenseStatus)) { $map[[int]$lic.LicenseStatus] } else { $lic.LicenseStatus }
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$licDesc = $lic.Description
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}
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[void]$ids.Add( (New-Id 'Activation' 'License status' $licStatus -Source 'SoftwareLicensingProduct') )
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[void]$ids.Add( (New-Id 'Activation' 'License channel' $chan -Source 'SoftwareLicensingProduct') )
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[void]$ids.Add( (New-Id 'Activation' 'License description' $licDesc -Source 'SoftwareLicensingProduct') )
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[void]$ids.Add( (New-Id 'Activation' 'Partial product key' $partial -Sensitive -Source 'SoftwareLicensingProduct') )
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# OEM firmware key (needs admin)
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$oemKey = $null
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if ($Script:IsAdmin) {
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$sls = Get-Cim 'SoftwareLicensingService'
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if ($sls) { $oemKey = $sls.OA3xOriginalProductKey }
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if ([string]::IsNullOrEmpty($oemKey)) { $oemKey = '(none in firmware)' }
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} else {
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$oemKey = '(needs admin)'
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}
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[void]$ids.Add( (New-Id 'Activation' 'OEM firmware key (OA3)' $oemKey -Sensitive -Source 'SoftwareLicensingService.OA3xOriginalProductKey') )
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# Decoded installed product key from DigitalProductId
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$decoded = $null
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$dpi = Get-RegVal $cvNt 'DigitalProductId'
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if ($dpi) {
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try { $decoded = ConvertFrom-DigitalProductId -Id ([byte[]]$dpi) } catch { $decoded = $null }
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}
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if ([string]::IsNullOrEmpty($decoded)) {
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$decoded = '(unavailable)'
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} else {
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# Volume (MAK/KMS) channels do not store a recoverable key: decode is garbage
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# (typically a single repeated character). Detect and report honestly.
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$clean = $decoded -replace '-', ''
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$distinct = @($clean.ToCharArray() | Select-Object -Unique).Count
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if ($distinct -le 3) { $decoded = '(unavailable - volume/MAK license)' }
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}
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[void]$ids.Add( (New-Id 'Activation' 'Installed product key (decoded)' $decoded -Sensitive -Source 'CurrentVersion\DigitalProductId') )
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# ---- Advertising / user ----
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[void]$ids.Add( (New-Id 'User' 'User name' ('{0}\{1}' -f $env:USERDOMAIN, $env:USERNAME) -Source 'env') )
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try {
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$sid = ([Security.Principal.WindowsIdentity]::GetCurrent()).User.Value
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[void]$ids.Add( (New-Id 'User' 'User SID' $sid -Sensitive -Source 'WindowsIdentity') )
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} catch { }
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$advId = Get-RegVal $adv 'Id'
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[void]$ids.Add( (New-Id 'User' 'Advertising ID' $advId -Sensitive -Source 'AdvertisingInfo\Id') )
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$advOn = Get-RegVal $adv 'Enabled'
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[void]$ids.Add( (New-Id 'User' 'Advertising ID enabled' $advOn -Source 'AdvertisingInfo\Enabled') )
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# ---- Hardware ----
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if ($bios) {
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[void]$ids.Add( (New-Id 'Hardware' 'BIOS serial number' $bios.SerialNumber -Sensitive -Source 'Win32_BIOS') )
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}
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if ($base) {
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[void]$ids.Add( (New-Id 'Hardware' 'Baseboard serial' $base.SerialNumber -Sensitive -Source 'Win32_BaseBoard') )
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}
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if ($cpu) {
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$cpu1 = @($cpu)[0]
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[void]$ids.Add( (New-Id 'Hardware' 'CPU ProcessorId' $cpu1.ProcessorId -Sensitive -Source 'Win32_Processor') )
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}
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# Disk serials
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$disks = Get-Cim 'Win32_DiskDrive'
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|
if ($disks) {
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|
$n = 0
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foreach ($d in @($disks)) {
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$n++
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$ser = if ($d.SerialNumber) { ($d.SerialNumber).Trim() } else { '(none)' }
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[void]$ids.Add( (New-Id 'Hardware' ("Disk {0} serial" -f $n) $ser -Sensitive -Source 'Win32_DiskDrive') )
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}
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|
}
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# MAC addresses (physical adapters with a MAC)
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$nics = Get-Cim 'Win32_NetworkAdapter' -Filter 'PhysicalAdapter=TRUE AND MACAddress IS NOT NULL'
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|
if ($nics) {
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|
foreach ($nic in @($nics)) {
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[void]$ids.Add( (New-Id 'Network' ("MAC - {0}" -f $nic.NetConnectionID) $nic.MACAddress -Sensitive -Source 'Win32_NetworkAdapter') )
|
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|
}
|
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|
}
|
||||||
|
# TPM (needs admin; separate namespace)
|
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|
$tpm = Get-Cim 'Win32_Tpm' -Namespace 'root\cimv2\Security\MicrosoftTpm'
|
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|
if ($tpm) {
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|
$tpm1 = @($tpm)[0]
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||||||
|
[void]$ids.Add( (New-Id 'Hardware' 'TPM present' $tpm1.IsEnabled_InitialValue -Source 'Win32_Tpm') )
|
||||||
|
[void]$ids.Add( (New-Id 'Hardware' 'TPM manufacturer ID' $tpm1.ManufacturerId -Source 'Win32_Tpm') )
|
||||||
|
} elseif (-not $Script:IsAdmin) {
|
||||||
|
[void]$ids.Add( (New-Id 'Hardware' 'TPM info' '(needs admin)' -Source 'Win32_Tpm') )
|
||||||
|
}
|
||||||
|
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||||||
|
return $ids
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||||||
|
}
|
||||||
|
|
||||||
|
# ---------------------------------------------------------------------------
|
||||||
|
# Display
|
||||||
|
# ---------------------------------------------------------------------------
|
||||||
|
function Show-Report {
|
||||||
|
param($Ids)
|
||||||
|
|
||||||
|
Write-Host ''
|
||||||
|
Write-Host '==================================================================' -ForegroundColor Cyan
|
||||||
|
Write-Host ' Windows Identifier Privacy Audit (READ-ONLY)' -ForegroundColor Cyan
|
||||||
|
Write-Host (' Host: {0} Admin: {1} {2}' -f $env:COMPUTERNAME, $Script:IsAdmin, (Get-Date)) -ForegroundColor DarkCyan
|
||||||
|
if ($Reveal) {
|
||||||
|
Write-Host ' MODE: REVEAL - full sensitive values shown. Handle as confidential.' -ForegroundColor Red
|
||||||
|
} else {
|
||||||
|
Write-Host ' MODE: MASKED - sensitive values redacted. Use -Reveal for full values.' -ForegroundColor Magenta
|
||||||
|
}
|
||||||
|
Write-Host '==================================================================' -ForegroundColor Cyan
|
||||||
|
|
||||||
|
$categories = @('Machine','Activation','Telemetry','User','Hardware','Network')
|
||||||
|
foreach ($cat in $categories) {
|
||||||
|
$group = @($Ids | Where-Object { $_.Category -eq $cat })
|
||||||
|
if ($group.Count -eq 0) { continue }
|
||||||
|
Write-Host ''
|
||||||
|
Write-Host (" [{0}]" -f $cat) -ForegroundColor White
|
||||||
|
foreach ($id in $group) {
|
||||||
|
$disp = Format-Masked -Value $id.Raw -Sensitive:$id.Sensitive
|
||||||
|
$color = if ($id.Sensitive) { 'Yellow' } else { 'Gray' }
|
||||||
|
$tag = if ($id.Sensitive) { '!' } else { ' ' }
|
||||||
|
Write-Host (' {0} {1,-32}' -f $tag, $id.Name) -NoNewline
|
||||||
|
Write-Host $disp -ForegroundColor $color
|
||||||
|
}
|
||||||
|
}
|
||||||
|
Write-Host ''
|
||||||
|
Write-Host ' ! = sensitive identifier (masked unless -Reveal).' -ForegroundColor DarkYellow
|
||||||
|
if (-not $Script:IsAdmin) {
|
||||||
|
Write-Host ' Some values need Administrator (OEM key, TPM) - shown as (needs admin).' -ForegroundColor DarkYellow
|
||||||
|
}
|
||||||
|
Write-Host ''
|
||||||
|
}
|
||||||
|
|
||||||
|
function Export-Rows {
|
||||||
|
param($Ids)
|
||||||
|
foreach ($id in $Ids) {
|
||||||
|
[pscustomobject]@{
|
||||||
|
Category = $id.Category
|
||||||
|
Name = $id.Name
|
||||||
|
Value = (Format-Masked -Value $id.Raw -Sensitive:$id.Sensitive)
|
||||||
|
Sensitive = $id.Sensitive
|
||||||
|
Source = $id.Source
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
# ---------------------------------------------------------------------------
|
||||||
|
# Main
|
||||||
|
# ---------------------------------------------------------------------------
|
||||||
|
$ids = Get-Identifiers
|
||||||
|
|
||||||
|
Show-Report -Ids $ids
|
||||||
|
|
||||||
|
if ($Csv) {
|
||||||
|
Export-Rows -Ids $ids | Export-Csv -Path $Csv -NoTypeInformation -Encoding ASCII
|
||||||
|
Write-Host ("CSV written to {0}{1}" -f $Csv, $(if (-not $Reveal) { ' (masked)' } else { ' (REVEALED - confidential)' })) -ForegroundColor Green
|
||||||
|
}
|
||||||
|
if ($Json) {
|
||||||
|
Export-Rows -Ids $ids | ConvertTo-Json -Depth 3 | Out-File -FilePath $Json -Encoding ASCII
|
||||||
|
Write-Host ("JSON written to {0}{1}" -f $Json, $(if (-not $Reveal) { ' (masked)' } else { ' (REVEALED - confidential)' })) -ForegroundColor Green
|
||||||
|
}
|
||||||
Reference in New Issue
Block a user