[Mathian]

Hi! When I first heard about BruteForce, I imagined going over all the options from "a" to "z". I have created such code long ago, but it would be worth thinking about exceptions:

Code

using System;
using System.Collections.Generic;
using System.Linq;
using System.IO;

namespace Cycle
{
    class Program
    {
        static void Main(string[] args)
        {
            string Chars = "Alphabet";
            for (int i = 0; i <= 3; i++)
            {
                foreach (var Password in GetCombinations(Chars.ToArray(), i))
                    Console.WriteLine(Password);
            }
            Console.ReadLine();
        }
        private static IEnumerable<string> GetCombinations(char[] Chars, int MaximumLength)
        {
            if (MaximumLength < 1) yield break;
            foreach (var a in Chars)
            {
                yield return a.ToString();
                foreach (var b in GetCombinations(Chars, MaximumLength - 1)) yield return a + b;
            }
        }
    }
}

With this code you can get absolutely all combinations of passwords, but it will take an incredible amount of time. I'm not saying that this is the best way (rather the opposite), but this is the real Brute Force.

Spoiler (Click to View)

Code

using System;
using System.Collections.Generic;
using System.Linq;
using System.IO;

namespace Cycle
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.Title = "Cycle";
            int Attempt = 0;
            Console.WriteLine("Enter the minimum password length:");
            int MinQuantity = int.Parse(Console.ReadLine());
            Console.WriteLine("Enter the maximum password length:");
            int MaxQuantity = int.Parse(Console.ReadLine());
            string Chars = "aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ0123456789";
            for (int i = MinQuantity; i <= MaxQuantity; i++)
            {
                foreach (var Password in GetCombinations(Chars.ToArray(), i))
                {
                    Attempt++;
                    Console.WriteLine("Attempt number:" + Attempt + " | Password:" + Password);
                    StreamWriter file = new StreamWriter("Passwords.txt", true);
                    file.WriteLine(Password);
                    file.Close();
                }
            }
            Console.ReadLine();
        }
        private static IEnumerable<string> GetCombinations(char[] Chars, int MaximumLength)
        {
            if (MaximumLength < 1) yield break;
            foreach (var a in Chars)
            {
                yield return a.ToString();
                foreach (var b in GetCombinations(Chars, MaximumLength - 1)) yield return a + b;
            }
        }
    }
}

Author: Mathian Developer

[HFDone]

better use Parallel.ForEach

[.TheMarv]

By outputting every password to console, you're massively reducing the speed of the program

[Mathian]

By outputting every password to console, you're massively reducing the speed of the program

Oh my God! Friend, you can not output to the console. I provided the generation algorithm

[.TheMarv]

Code

foreach (var Password in GetCombinations(Chars.ToArray(), i))
                    Console.WriteLine(Password);

This will output every possibility to the console, that's what I was referring to

[Paskowsky]

@OP thank you for sharing this!

Code

               foreach (var Password in GetCombinations(Chars.ToArray(), i))
                   Console.WriteLine(Password);

This will output every possibility to the console, that's what I was referring to

He has provided the algorithm to generate passwords, where you want them outputted is your choice 🤝

Regards,
Paskowsky

[.TheMarv]

@OP thank you for sharing this!


He has provided the algorithm to generate passwords, where you want them outputted is your choice  🤝

Regards,
Paskowsky

Ofc, I just wanted to point out, that putting it out in the console would decrease the performance.

[Mathian]

Code

               foreach (var Password in GetCombinations(Chars.ToArray(), i))
                   Console.WriteLine(Password);

This will output every possibility to the console, that's what I was referring to

You can save to file, add to database or apply. Conclusion in the console - a demonstration of work

@OP thank you for sharing this!


He has provided the algorithm to generate passwords, where you want them outputted is your choice  🤝

Regards,
Paskowsky

Enjoy :)

[0xDEAD10CC]

Enumerators and IEnumerable = very slow. An iterative approach would be much faster. This code snippet is really not useful in the real world for relatively good bruteforcing.

[Mathian]

Enumerators and IEnumerable = very slow. An iterative approach would be much faster. This code snippet is really not useful in the real world for relatively good bruteforcing.

I by no means suggest to produce brutus by this method