using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Runtime.InteropServices;
using System.IO;

namespace LogonIssue
{
    class Program
    {
        [Flags]
        enum LogonFlags
        {
            LOGON_WITH_PROFILE = 0x00000001,
            LOGON_NETCREDENTIALS_ONLY = 0x00000002
        }

        [Flags]
        enum CreationFlags
        {
            CREATE_SUSPENDED = 0x00000004,
            CREATE_NEW_CONSOLE = 0x00000010,
            CREATE_NEW_PROCESS_GROUP = 0x00000200,
            CREATE_UNICODE_ENVIRONMENT = 0x00000400,
            CREATE_SEPARATE_WOW_VDM = 0x00000800,
            CREATE_DEFAULT_ERROR_MODE = 0x04000000,
        }

        [StructLayout(LayoutKind.Sequential)]
        struct ProcessInfo
        {
            public IntPtr hProcess;
            public IntPtr hThread;
            public uint dwProcessId;
            public uint dwThreadId;
        }

        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
        struct StartupInfo
        {
            public int cb;
            public string reserved1;
            public string desktop;
            public string title;
            public uint dwX;
            public uint dwY;
            public uint dwXSize;
            public uint dwYSize;
            public uint dwXCountChars;
            public uint dwYCountChars;
            public uint dwFillAttribute;
            public uint dwFlags;
            public ushort wShowWindow;
            public short reserved2;
            public int reserved3;
            public IntPtr hStdInput;
            public IntPtr hStdOutput;
            public IntPtr hStdError;
        }

        [DllImport("advapi32.dll", CharSet = CharSet.Unicode, ExactSpelling = true, SetLastError = true)]
        static extern bool CreateProcessWithLogonW(
            string principal,
            string authority,
            string password,
            LogonFlags logonFlags,
            string appName,
            string cmdLine,
            CreationFlags creationFlags,
            IntPtr environmentBlock,
            string currentDirectory,
            ref StartupInfo startupInfo,
            out ProcessInfo processInfo);

        [DllImport("kernel32.dll")]
        static extern bool CloseHandle(IntPtr h);


        static void Main(string[] args)
        {
            string user = null;
            string pass = null;
            string domain = null;
            for (int i = 0; i < args.Length; i++)
            {
                if (args[i] == "-u")
                    user = args[++i];
                else if (args[i] == "-p")
                    pass = args[++i];
                else if (args[i] == "-d")
                    domain = args[++i];
            }

            if (user == null || pass == null || domain == null)
            {
                Console.Out.WriteLine("Usage: -u user -p pass -d domain");
                Environment.Exit(1);
            }
            StartupInfo si = new StartupInfo();
            si.cb = Marshal.SizeOf(typeof(StartupInfo));
            si.title = "This is impersonated command prompt";

            ProcessInfo pi = new ProcessInfo();
            string app = Path.Combine(Environment.SystemDirectory, "cmd.exe");

            if (CreateProcessWithLogonW(user, domain, pass, LogonFlags.LOGON_WITH_PROFILE, app, null, 0, IntPtr.Zero, null, ref si, out pi))
            {
                CloseHandle(pi.hProcess);
                CloseHandle(pi.hThread);
            }
            else Console.WriteLine("Error code: {0}", Marshal.GetLastWin32Error());
        }
    }
}