Export Nmap XML output to CSV

Export-NmapXMLtoCSV.ps1

[Cmdletbinding()]

Param (

    [Parameter(Mandatory, HelpMessage = "Enter the path to the Nmap XML file.")]
    [string]$FilePath

)

If (-Not (Test-Path -Path $FilePath -PathType Leaf)) {

    Write-Error "Input path '$FilePath' does not exist or is not a file."
    Return

}

Try {

    [xml]$Nmap = Get-Content $FilePath -ErrorAction Stop

}

Catch {

    Write-Error "Input file '$FilePath' is not a valid XML file. $($_.Exception.Message)"
    Return

}

$OutputPath = [System.IO.Path]::ChangeExtension((Resolve-Path $FilePath).Path, '.csv')

$Nmap.Nmaprun.Host | ForEach-Object {

    $Ip = $_.address | Where-Object { $_.addrtype -eq 'ipv4' } | Select-Object -ExpandProperty addr
    $Hostname = ($_.hostnames.hostname | Select-Object -First 1).name
    $Port = $_.ports.port | Where-Object { $_.portid -eq '443' -and $_.state.state -eq 'open'

    }

    If ($Port) {

        [PSCustomObject]@{

            IP       = $Ip
            Hostname = $Hostname
            Port     = $Port.portid
            Protocol = $Port.protocol
            State    = $Port.state.state
            Service  = $Port.service.name

        }

    }

} | Export-Csv -Path $OutputPath -NoTypeInformation

Write-Output "Export complete. Output file saved to $OutputPath."