net_process.ps1

net_process.ps1

#while ($true) {
    param(
        [string]$UDP
    )
    if ($UDP -eq "") {
        Write-Host "To check for a UDP address, add -UDP True \n Query time will increase significantly"
    }
    Get-Date
    Get-NetTCPConnection | Where-Object { $_.State -eq "Established" -and !($_.RemoteAddress -eq "127.0.0.1")} |
    ForEach-Object {
        $process = Get-Process -Id $_.OwningProcess

        if ($UDP -eq "True") {
            Write-Host "UDP lookup #$i for TCP LocalPort=$($_.LocalPort)"
            $udpEndpoint = Get-NetUDPEndpoint -LocalPort $_.LocalPort -ErrorAction SilentlyContinue
        }

        [pscustomobject]@{
            ProcessName     = $process.Name
            OwningProccess  = $_.OwningProcess
            State           = $_.State
            LocalAddress    = $_.LocalAddress
            LocalPort       = $_.LocalPort
            RemotePort      = $_.RemotePort
            RemoteAddress   = $_.RemoteAddress
            UDPLocalAddress = $udpEndpoint?.LocalAddress

        }
    } | Format-Table -AutoSize
    #Start-Sleep -Seconds 2
    if ($UDP -eq "True") {
        Get-NetUDPEndpoint |
            Select-Object LocalAddress, LocalPort, OwningProcess,
                @{n='ProcessName';e={(Get-Process -Id $_.OwningProcess -ErrorAction SilentlyContinue).Name}} |
            Sort-Object LocalPort, LocalAddress | Format-Table -AutoSize
    }
#}

check for processes with established connections, check for processes with established TCP connections that also have UDP endpoints on that same port, then list processes using UDP by all UDP ports.