Use SHA256 for Client HWID

AsyncRAT-C#/Client/Helper/HwidGen.cs

@@ -1,9 +1,6 @@
-using System;
+using System;
 using System.Collections.Generic;
-using System.IO;
-using System.Linq;
-using System.Security.Cryptography;
-using System.Text;
+using System.Diagnostics;
 
 namespace Client.Helper
 {
@@ -13,25 +10,30 @@ public static string HWID()
  {
  try
  {
- return GetHash(string.Concat(Environment.ProcessorCount, Environment.UserName,
- Environment.MachineName, Environment.OSVersion
- , new DriveInfo(Path.GetPathRoot(Environment.SystemDirectory)).TotalSize));
+ List<string> Props = new List<string>();
+
+ Props.Add(Environment.ProcessorCount.ToString());
+ Props.Add(Environment.UserName);
+ Props.Add(Environment.MachineName);
+ Props.Add(Environment.OSVersion.ToString());
+ Props.Add(Environment.Is64BitOperatingSystem.ToString());
+ //Maybe add some hardware checks? such as those in Anti_Analysis.cs
+
+ string Concat = Props.ToString();
+
+ //If we want to be more precise, we can increase the max val
+ return Truncate(Algorithm.Sha256.ComputeHash(Concat), 20);
  }
- catch
+ catch(Exception ex)
  {
- return "Err HWID";
+ Debug.WriteLine(ex);
+ return "UNKNOWN";
  }
  }
-
- public static string GetHash(string strToHash)
+ public static string Truncate(this string text, int maxLength)
  {
- MD5CryptoServiceProvider md5Obj = new MD5CryptoServiceProvider();
- byte[] bytesToHash = Encoding.ASCII.GetBytes(strToHash);
- bytesToHash = md5Obj.ComputeHash(bytesToHash);
- StringBuilder strResult = new StringBuilder();
- foreach (byte b in bytesToHash)
- strResult.Append(b.ToString("x2"));
- return strResult.ToString().Substring(0, 20).ToUpper();
+ if (string.IsNullOrEmpty(text)) { return text; }
+ return text.Substring(0, Math.Min(text.Length, maxLength));
  }
  }
 }