GroupPolicy

# PowerShell Artifact Collection Script
# Target: GroupPolicy
# Run as Administrator

#Requires -RunAsAdministrator

$ErrorActionPreference = "Continue"
$SourceRoot = "C:"
$DestBase   = "D:\Evidence"
$Summary = @{ Copied = 0; Missed = 0; Errors = 0 }

function Collect-Artifact {
    param(
        [Parameter(Mandatory)][string]$SourceDir,
        [Parameter(Mandatory)][string]$FolderName,
        [string]$FileMask = "*"
    )
    # Expand wildcards in any path segment (e.g. 'Program Files*',
    # 'ScreenConnect Client*'). robocopy itself does not glob the source.
    $sources = @(Get-Item -Path $SourceDir -ErrorAction SilentlyContinue |
        Where-Object { $_.PSIsContainer })
    if ($sources.Count -eq 0) {
        $Summary.Missed++
        return
    }
    $FullDest = Join-Path -Path $DestBase -ChildPath $FolderName
    $null = New-Item -ItemType Directory -Force -Path $FullDest -ErrorAction SilentlyContinue
    foreach ($src in $sources) {
        robocopy $src.FullName "$FullDest" "$FileMask" /E /COPY:DAT /R:0 /W:0 /NP /NFL /NDL /NJH /NJS 2>$null | Out-Null
        if ($LASTEXITCODE -le 7) { $Summary.Copied++ } else { $Summary.Errors++ }
    }
}

# 1. Group Policy Files
Collect-Artifact -SourceDir "C:\Windows\System32\grouppolicy" -FolderName "Group_Policy_Files"

# 2. Computer Group Policy files
Collect-Artifact -SourceDir "C:\ProgramData\Microsoft\Group Policy\History" -FolderName "Computer_Group_Policy_files"

# 3. Local Group Policy INI Files
Collect-Artifact -SourceDir "C:\Windows.old\Windows\System32\grouppolicy" -FileMask "*.ini" -FolderName "Local_Group_Policy_INI_Files"

# 4. Local Group Policy Files - Registry Policy Files
Collect-Artifact -SourceDir "C:\Windows\System32\grouppolicy" -FileMask "*.pol" -FolderName "Local_Group_Policy_Files_Registry_Policy_Files"

# 5. Local Group Policy Files - Registry Policy Files
Collect-Artifact -SourceDir "C:\Windows.old\Windows\System32\grouppolicy" -FileMask "*.pol" -FolderName "Local_Group_Policy_Files_Registry_Policy_Files"

# 6. Local Group Policy Files - Startup/Shutdown Scripts
Collect-Artifact -SourceDir "C:\Windows\System32\grouppolicy\*\Scripts" -FolderName "Local_Group_Policy_Files_Startup_Shutdown_Scripts"

# 7. Local Group Policy Files - Startup/Shutdown Scripts
Collect-Artifact -SourceDir "C:\Windows.old\Windows\System32\grouppolicy\*\Scripts" -FolderName "Local_Group_Policy_Files_Startup_Shutdown_Scripts"

# Iterate every user profile under the source drive
Get-ChildItem "$SourceRoot\Users" -Directory -ErrorAction SilentlyContinue |
    Where-Object { $_.Name -notin @('All Users', 'Default', 'Default User', 'Public') } |
    ForEach-Object {
        $UserName = $_.Name
        # User Group Policy files
        $UserPath = "$($_.FullName)\AppData\Local\Microsoft\Group Policy\History"
        Collect-Artifact -SourceDir $UserPath -FolderName "User_Group_Policy_files_$UserName"
    }

Write-Host ("Collection complete. Copied: {0}  Missed: {1}  Errors: {2}" -f $Summary.Copied, $Summary.Missed, $Summary.Errors) -ForegroundColor Green