Initial commit to new repository

.decompiledproj/AxCopilot/Security/AntiTamper.cs

@@ -0,0 +1,133 @@
+using System.Diagnostics;
+using System.Net;
+using System.Net.Sockets;
+using System.Reflection;
+using System.Runtime.InteropServices;
+
+namespace AxCopilot.Security;
+
+internal static class AntiTamper
+{
+	private static readonly string[] TrustedIpPrefixes = new string[6] { "11.99.", "11.90.", "11.96.", "12.25.", "12.23.", "12.24." };
+
+	private static readonly string[] KnownDebuggers = new string[16]
+	{
+		"dnspy", "dnspy-x86", "ilspy", "dotpeek", "de4dot", "ollydbg", "x64dbg", "x32dbg", "windbg", "ida",
+		"ida64", "ghidra", "cheatengine", "processhacker", "fiddler", "wireshark"
+	};
+
+	[DllImport("kernel32.dll")]
+	private static extern bool IsDebuggerPresent();
+
+	[DllImport("kernel32.dll")]
+	private static extern bool CheckRemoteDebuggerPresent(nint hProcess, ref bool isDebuggerPresent);
+
+	public static void Check()
+	{
+	}
+
+	private static bool IsBeingDebugged()
+	{
+		if (Debugger.IsAttached)
+		{
+			return true;
+		}
+		try
+		{
+			if (IsDebuggerPresent())
+			{
+				return true;
+			}
+		}
+		catch
+		{
+		}
+		try
+		{
+			bool isDebuggerPresent = false;
+			CheckRemoteDebuggerPresent(Process.GetCurrentProcess().Handle, ref isDebuggerPresent);
+			if (isDebuggerPresent)
+			{
+				return true;
+			}
+		}
+		catch
+		{
+		}
+		return false;
+	}
+
+	private static bool IsDecompilerRunning()
+	{
+		try
+		{
+			Process[] processes = Process.GetProcesses();
+			Process[] array = processes;
+			foreach (Process process in array)
+			{
+				try
+				{
+					string text = process.ProcessName.ToLowerInvariant();
+					string[] knownDebuggers = KnownDebuggers;
+					foreach (string value in knownDebuggers)
+					{
+						if (text.Contains(value))
+						{
+							return true;
+						}
+					}
+				}
+				catch
+				{
+				}
+			}
+		}
+		catch
+		{
+		}
+		return false;
+	}
+
+	private static bool IsTrustedNetwork()
+	{
+		try
+		{
+			IPAddress[] hostAddresses = Dns.GetHostAddresses(Dns.GetHostName());
+			IPAddress[] array = hostAddresses;
+			foreach (IPAddress iPAddress in array)
+			{
+				if (iPAddress.AddressFamily != AddressFamily.InterNetwork)
+				{
+					continue;
+				}
+				string text = iPAddress.ToString();
+				string[] trustedIpPrefixes = TrustedIpPrefixes;
+				foreach (string value in trustedIpPrefixes)
+				{
+					if (text.StartsWith(value))
+					{
+						return true;
+					}
+				}
+			}
+		}
+		catch
+		{
+		}
+		return false;
+	}
+
+	public static bool VerifyAssemblyIntegrity()
+	{
+		try
+		{
+			Assembly executingAssembly = Assembly.GetExecutingAssembly();
+			AssemblyName name = executingAssembly.GetName();
+			return name.Version != null && name.Name == "AxCopilot";
+		}
+		catch
+		{
+			return false;
+		}
+	}
+}