a.cs

  public void BruteForceII(string password, int ms)
        {
            string listbrute = "null:null";
            char[] listA_Z = { 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z' };
            l:
            string bruteForceValue = String.Empty;
            while (true)
            {
                if (password != bruteForceValue)
                {
                    for (int i = 0; i < 133333; i++)
                    {
                        string[] vecte = listbrute.Split(':');
                        for (int e = 0; e < vecte.Length; e++)
                        {
                            if (bruteForceValue.Contains(listbrute[e]))
                            {
                                goto l;
                            }
                        }
                        Thread.Sleep(ms);
                        int l = new Random().Next(1, 5);
                        if (l >= 3)
                        {
                            Thread.Sleep(ms);
                            Thread.Sleep(ms);
                            int t = new Random().Next(1, listA_Z.Length);
                            Thread.Sleep(ms);
                            int e = new Random().Next(1, listA_Z.Length);
                            Thread.Sleep(ms);
                            int s = new Random().Next(1, listA_Z.Length);
                            Thread.Sleep(ms);
                            int f = new Random().Next(1, listA_Z.Length);
                            bruteForceValue = $"{listA_Z[t]}{listA_Z[e]}{listA_Z[s]}{listA_Z[f]}{i}";
                            listbrute += $":{bruteForceValue}";
                        }
                        else
                        {
                            Thread.Sleep(ms);
                            int t = new Random().Next(1, listA_Z.Length);
                            Thread.Sleep(ms);
                            int e = new Random().Next(1, listA_Z.Length);
                            Thread.Sleep(ms);
                            int s = new Random().Next(1, listA_Z.Length);
                            Thread.Sleep(ms);
                            int f = new Random().Next(1, listA_Z.Length);
                            bruteForceValue = $"{i}{listA_Z[t]}{listA_Z[e]}{listA_Z[s]}{listA_Z[f]}";
                            listbrute += $":{bruteForceValue}";
                        }
                        Console.WriteLine(bruteForceValue);
                    }
                }
                else
                {
                    Console.ForegroundColor = ConsoleColor.Green;
                    Console.WriteLine($"Found! {bruteForceValue}");
                    Console.ResetColor();
                }
            }

        }