bruteforce.cs

using System;
using System.Net;
using System.Threading.Tasks;

namespace ImageFinder
{
    class Program
    {
        static void Main(string[] args)
        {
            //https://cdn2.unrealengine.com/Fortnite/fortnite-game/battleroyalenews/v60/BR06_MOTD_S62-1024x512-3321ee55a8246cab8e31a306a77918a2cd0ea8de.jpg
            Run().GetAwaiter().GetResult();
            Console.ReadLine();
        }
        public static async Task Run()
        {
            int count = 0;
            while (true)
            {

                var og = "https://cdn2.unrealengine.com/Fortnite/fortnite-game/battleroyalenews/v740+HF/BR08_MOTD_BPLaunch_Teaser_Hook_Day2-1022x512-";
                var url = og + CreateString(40) + ".jpg";
                //url = "https://cdn2.unrealengine.com/Fortnite/fortnite-game/battleroyalenews/v740+HF/BR08_MOTD_BPLaunch_Teaser_Hook_Day1-1022x512-1521ae107a4b7ca0e423d2a2ff24543066412507.jpg";
                bool answer = checkWebsite(url);
                if (!answer)
                {
                    Console.WriteLine("Failed: " + url + " " + count);
                }
                else
                {
                    Console.WriteLine("HOLY SHIT SUCCESS!!!" + url);
                    Console.ReadLine();
                }
                await Task.Delay(1);
                count += 1;
            }
        }
        public static async Task Test()
        {
            var og = "https://cdn2.unrealengine.com/Fortnite/fortnite-game/battleroyalenews/v60/BR06_MOTD_S61-1024x512-";
            var url = og + CreateString(40) + ".jpg";
            bool answer = checkWebsite(url);
            if (!answer)
            {
                Console.WriteLine("Failed: " + url);
            }
            else
            {
                Console.WriteLine("HOLY SHIT SUCCESS!!!" + url);
                Console.ReadLine();
            }
        }
        public static bool checkWebsite(string URL)
        {
            try
            {
                WebClient wc = new WebClient();
                string HTMLSource = wc.DownloadString(URL);
                return true;
            }
            catch (Exception)
            {
                return false;
            }
        }
        static Random rd = new Random();
        internal static string CreateString(int stringLength)
        {
            const string allowedChars = "abcde0123456789";
            char[] chars = new char[stringLength];

            for (int i = 0; i < stringLength; i++)
            {
                chars[i] = allowedChars[rd.Next(0, allowedChars.Length)];
            }

            return new string(chars);
        }
    }
}