using System;
using System.Diagnostics;
using System.IO;
using System.Security;
using System.Text;

namespace ConsoleApp1
{

    class Program
    {

        private ProcessStartInfo programStartInfo = new ProcessStartInfo
        {

            RedirectStandardOutput = true,
            RedirectStandardError = true,
            RedirectStandardInput = true,

            StandardOutputEncoding = Encoding.UTF8,
            StandardErrorEncoding  = Encoding.UTF8,

            UseShellExecute = false,
            LoadUserProfile = false,
            CreateNoWindow = true,
            WindowStyle = ProcessWindowStyle.Hidden,
            ErrorDialog = false,

            Arguments = "/K echo %username%",
            FileName = "cmd.exe",
            WorkingDirectory = "C:\\Windows\\System32\\"

        };

        public static void Main(string[] args)
        {

            new Program().Run();

        }

        void Run()
        {

            var proc = new Process{

                StartInfo = programStartInfo,
                EnableRaisingEvents = true,

            };

            proc.StartInfo.UserName = "SimplePM_StartUser";

            proc.StartInfo.LoadUserProfile = true;

            var encPassword = new SecureString();

            foreach (var c in "1234567890")
                encPassword.AppendChar(c);

            proc.StartInfo.Password = encPassword;

            proc.OutputDataReceived += proc_OutputDataReceived;

            proc.Start();

            proc.BeginOutputReadLine();

            if (!proc.WaitForExit(5000))
            {

                try
                {
                    proc.Kill();
                }
                catch { }

            }

        }

        private void proc_OutputDataReceived(object sender, DataReceivedEventArgs e)
        {

            if (e.Data == null)
                return;

            File.AppendAllText("E:\\1.txt", e.Data.TrimEnd());

            Console.WriteLine(e.Data.TrimEnd());

        }

    }

}