97 lines
4.1 KiB
PowerShell
97 lines
4.1 KiB
PowerShell
<#
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.SYNOPSIS
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Audits a base directory for any form of unique/non-inherited permissions.
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.DESCRIPTION
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Loops through all subfolders, identifies where inheritance is blocked OR
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where explicit, non-inherited permissions exist, and exports them to a CSV.
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.PARAMETER BaseDir
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The root directory path you want to scan.
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.PARAMETER ReportFolder
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The directory path where the final CSV report should be saved.
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.EXAMPLE
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.\FolderAudit.ps1 -BaseDir "C:\CompanyData" -ReportFolder "C:\AuditReports"
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#>
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param (
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[Parameter(Mandatory = $true, HelpMessage = "Enter the base directory path to scan.")]
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[string]$BaseDir,
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[Parameter(Mandatory = $false, HelpMessage = "Enter the folder path where the report should be saved.")]
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[string]$ReportFolder = "C:\Temp\AuditReports"
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)
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# Generate timestamped filename (Format: ddMMyyyy-HHmm)
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$TimeStamp = Get-Date -Format "ddMMyyyy-HHmm"
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$ReportName = "Non_Inherited_Permission_Audit_$TimeStamp.csv"
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$OutputFile = Join-Path -Path $ReportFolder -ChildPath $ReportName
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# Verify directories exist
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if (-not (Test-Path $BaseDir)) {
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Write-Error "The specified base directory does not exist: $BaseDir"
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exit
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}
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if (-not (Test-Path $ReportFolder)) {
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Write-Host "Report folder does not exist. Creating it now: $ReportFolder" -ForegroundColor Yellow
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New-Item -ItemType Directory -Path $ReportFolder -Force | Out-Null
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}
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Write-Host "Starting comprehensive permission audit on: $BaseDir" -ForegroundColor Cyan
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Write-Host "Results will be saved to: $OutputFile" -ForegroundColor Cyan
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Write-Host "Scanning for blocked inheritance and explicit local permissions..." -ForegroundColor Yellow
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# Initialize array to hold results
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$Report = [System.Collections.Generic.List[PSCustomObject]]::new()
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# Get the base folder itself and all subfolders
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$Folders = Get-ChildItem -Path $BaseDir -Recurse -Directory -ErrorAction SilentlyContinue
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# Include the root folder in the audit
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$AllFolders = @($GetItem = Get-Item $BaseDir) + $Folders
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foreach ($Folder in $AllFolders) {
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try {
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# Get Access Control List (ACL) for the folder
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$Acl = Get-Acl -Path $Folder.FullName
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# 1. Check if inheritance is blocked ($true)
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$IsInheritanceBlocked = $Acl.AreAccessRulesProtected
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# 2. Look specifically for any access rules applied directly to this folder (IsInherited -eq $false)
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$ExplicitRules = $Acl.Access | Where-Object { $_.IsInherited -eq $false }
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# If inheritance is blocked OR there are explicit rules present, we need to flag it
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if ($IsInheritanceBlocked -or ($ExplicitRules.Count -gt 0)) {
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Write-Host "Found unique/non-inherited permissions: $($Folder.FullName)" -ForegroundColor Magenta
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# Extract names of users/groups with explicit, non-inherited access
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$ExplicitAccessString = ($ExplicitRules | ForEach-Object { $_.IdentityReference.Value }) -join "; "
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# Determine the type of change for easy sorting in Excel/CSV
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$PermissionStatus = if ($IsInheritanceBlocked) { "Inheritance Blocked" } else { "Inheriting but has Explicit Local Rules" }
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# Append data to our report object
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$Report.Add([PSCustomObject]@{
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"Folder Name" = $Folder.Name
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"Full Path" = $Folder.FullName
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"Permission Status" = $PermissionStatus
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"Inheritance Blocked"= $IsInheritanceBlocked
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"Explicit Access" = $ExplicitAccessString
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"Last Modified" = $Folder.LastWriteTime
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})
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}
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}
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catch {
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Write-Warning "Permission denied or error reading: $($Folder.FullName)"
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}
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}
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# Export data to CSV
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if ($Report.Count -gt 0) {
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$Report | Export-Csv -Path $OutputFile -NoTypeInformation -Encoding UTF8
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Write-Host "`nAudit complete! Found $($Report.Count) folders with unique/non-inherited permissions." -ForegroundColor Green
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Write-Host "Results exported to: $OutputFile" -ForegroundColor Green
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} else {
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Write-Host "`nAudit complete. All subfolders are perfectly inheriting permissions." -ForegroundColor Green
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} |