bin100 source

decompile.cs

public void check_password(string password) {
  string environmentVariable = MyProject.Application.GetEnvironmentVariable("USERNAME");
  string s = "_P4d11n9_" + environmentVariable + "_P4d11n9_";
  MD5CryptoServiceProvider cryptoServiceProvider = new MD5CryptoServiceProvider();
  byte[] hash1 = cryptoServiceProvider.ComputeHash(Encoding.UTF8.GetBytes(s));
  int[] numArray = new int[6] {1310, 1450, 1435, 1316, 1302, 1439};
  int index1 = 0;
  int num1 = 0;
  int num2 = hash1.Length - 1;
  int index2 = num1;
  while (index2 <= num2 && ((int) hash1[index2] ^ 1337) == numArray[index1]) {
    ++index1;
    index2 += 3;
  }
  
  if (index1 == 6) {
    if (Operators.CompareString(password, crackme1.My.Resources.Resources.ResourceManager.GetString("password"), false) == 0) {
      byte[] hash2 = cryptoServiceProvider.ComputeHash(Encoding.UTF8.GetBytes(environmentVariable + ":" + password + ":" + crackme1.My.Resources.Resources.ResourceManager.GetString("flag")));
      StringBuilder stringBuilder = new StringBuilder();
      foreach (byte num3 in hash2)
        stringBuilder.Append(num3.ToString("x2").ToUpper());
      this.Label2.Text = "Hello " + environmentVariable + ", The Flag is: " + stringBuilder.ToString().ToLower();
    } else {
      this.Label2.Text = "Invalid Password!";
      this.checks = this.checks + 1;
      Interaction.Beep();
    }
  } else {
    this.Label2.Text = "You are not allowed to use this application!";
    this.checks = this.checks + 1;
    Interaction.Beep();
  }
}