# Get-HotspotConnections.ps1
# Collects Windows Mobile Hotspot connection artifacts

# Check for admin privileges
$isAdmin = ([Security.Principal.WindowsPrincipal] [Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)

if (-not $isAdmin) {
    Write-Host "Error: This script requires Administrator privileges" -ForegroundColor Red
    Write-Host "Please run PowerShell as Administrator and try again" -ForegroundColor Yellow
    exit 1
}

Write-Host "=== Windows Mobile Hotspot Connection History ===" -ForegroundColor Cyan
Write-Host "Note: Windows does not maintain persistent logs of past hotspot clients"
Write-Host "Only event logs and currently connected devices can be retrieved`n"

# Get current hotspot status
Write-Host "--- Current Hotspot Status ---" -ForegroundColor Yellow
try {
    $hostedNetwork = netsh wlan show hostednetwork 2>$null
    if ($hostedNetwork) {
        $hostedNetwork | Write-Host
    }
} catch {
    Write-Host "Error getting hosted network status" -ForegroundColor Red
}

# Get currently connected clients via ARP
Write-Host "`n--- Currently Connected Devices (ARP Cache) ---" -ForegroundColor Yellow
try {
    $arp = Get-NetNeighbor -AddressFamily IPv4 -ErrorAction SilentlyContinue |
           Where-Object { $_.State -ne "Unreachable" -and $_.IPAddress -notmatch "^(224\.|239\.)" }

    if ($arp) {
        $arp | Select-Object IPAddress, LinkLayerAddress, State | Format-Table -AutoSize
    } else {
        Write-Host "No connected devices found in ARP cache" -ForegroundColor Gray
    }
} catch {
    Write-Host "Error accessing ARP cache: $_" -ForegroundColor Red
}

# Extract hotspot connection events from WLAN-AutoConfig log
Write-Host "`n--- Recent Hotspot Connection Events ---" -ForegroundColor Yellow
try {
    # Event ID 20019 = Client connection to hotspot
    # Event ID 20020 = Connection establishment confirmation
    # Event ID 8005/8006 = Hotspot start/stop
    $events = Get-WinEvent -FilterHashtable @{
        LogName = "Microsoft-Windows-WLAN-AutoConfig/Operational"
        ID = 8005, 8006, 20019, 20020
    } -MaxEvents 50 -ErrorAction SilentlyContinue

    if ($events) {
        foreach ($event in $events) {
            Write-Host "$($event.TimeCreated.ToString('yyyy-MM-dd HH:mm:ss'))" -ForegroundColor Cyan -NoNewline
            Write-Host " [ID:$($event.Id)]" -ForegroundColor Gray -NoNewline

            # Extract relevant info from message
            $msg = $event.Message
            if ($msg -match "MAC Address: ([0-9A-Fa-f:-]+)") {
                Write-Host " MAC: $($matches[1])" -ForegroundColor Yellow
            } elseif ($msg -match "SSID: (.+)") {
                Write-Host " SSID: $($matches[1])" -ForegroundColor Green
            } else {
                Write-Host ""
            }
        }
    } else {
        Write-Host "No hotspot events found in logs" -ForegroundColor Gray
    }
} catch {
    Write-Host "Error accessing event logs: $_" -ForegroundColor Red
}

# Get wireless authentication events (Event ID 5632)
Write-Host "`n--- Wireless Authentication Events (Last 20) ---" -ForegroundColor Yellow
try {
    $authEvents = Get-WinEvent -FilterHashtable @{
        LogName = "Security"
        ID = 5632
    } -MaxEvents 20 -ErrorAction SilentlyContinue

    if ($authEvents) {
        foreach ($authEvent in $authEvents) {
            Write-Host "$($authEvent.TimeCreated.ToString('yyyy-MM-dd HH:mm:ss'))" -ForegroundColor Cyan
            if ($authEvent.Message -match "Peer MAC Address:\s+([0-9A-Fa-f:-]+)") {
                Write-Host "  Peer MAC: $($matches[1])" -ForegroundColor Yellow
            }
        }
    } else {
        Write-Host "No wireless authentication events found" -ForegroundColor Gray
    }
} catch {
    Write-Host "Security event log not accessible or no events found" -ForegroundColor Gray
}

# Get hosted network settings from registry
Write-Host "`n--- Hosted Network Registry Settings ---" -ForegroundColor Yellow
try {
    $regPath = "HKLM:\SYSTEM\CurrentControlSet\Services\WlanSvc\Parameters\HostedNetworkSettings"
    if (Test-Path $regPath) {
        $props = Get-ItemProperty -Path $regPath -ErrorAction SilentlyContinue
        if ($props) {
            Write-Host "Registry path exists with configuration data" -ForegroundColor Green
            Write-Host "(Binary data - use registry editor for details)"
        }
    } else {
        Write-Host "No hosted network settings found in registry" -ForegroundColor Gray
    }
} catch {
    Write-Host "Error accessing registry: $_" -ForegroundColor Red
}