20 Aralık 2017 Çarşamba

C# DLL İnjector Kaynak Kodları

Posted by Karolinax on 08:44 , , , , Hiç yorum yok


  1. using System;
  2. using System.Diagnostics;
  3. using System.IO;
  4. using System.Runtime.InteropServices;
  5. using System.Text;
  6.  
  7. namespace GijSoft.DllInjection
  8. {
  9. public enum DllInjectionResult
  10. {
  11. DllNotFound,
  12. GameProcessNotFound,
  13. InjectionFailed,
  14. Success
  15. }
  16.  
  17. public sealed class DllInjector
  18. {
  19. static readonly IntPtr INTPTR_ZERO = (IntPtr)0;
  20.  
  21. [DllImport("kernel32.dll", SetLastError = true)]
  22. static extern IntPtr OpenProcess(uint dwDesiredAccess, int bInheritHandle, uint dwProcessId);
  23.  
  24. [DllImport("kernel32.dll", SetLastError = true)]
  25. static extern int CloseHandle(IntPtr hObject);
  26.  
  27. [DllImport("kernel32.dll", SetLastError = true)]
  28. static extern IntPtr GetProcAddress(IntPtr hModule, string lpProcName);
  29.  
  30. [DllImport("kernel32.dll", SetLastError = true)]
  31. static extern IntPtr GetModuleHandle(string lpModuleName);
  32.  
  33. [DllImport("kernel32.dll", SetLastError = true)]
  34. static extern IntPtr VirtualAllocEx(IntPtr hProcess, IntPtr lpAddress, IntPtr dwSize, uint flAllocationType, uint flProtect);
  35.  
  36. [DllImport("kernel32.dll", SetLastError = true)]
  37. static extern int WriteProcessMemory(IntPtr hProcess, IntPtr lpBaseAddress, byte[] buffer, uint size, int lpNumberOfBytesWritten);
  38.  
  39. [DllImport("kernel32.dll", SetLastError = true)]
  40. static extern IntPtr CreateRemoteThread(IntPtr hProcess, IntPtr lpThreadAttribute, IntPtr dwStackSize, IntPtr lpStartAddress,
  41. IntPtr lpParameter, uint dwCreationFlags, IntPtr lpThreadId);
  42.  
  43. static DllInjector _instance;
  44.  
  45. public static DllInjector GetInstance
  46. {
  47. get
  48. {
  49. if (_instance == null)
  50. {
  51. _instance = new DllInjector();
  52. }
  53. return _instance;
  54. }
  55. }
  56.  
  57. DllInjector() { }
  58.  
  59. public DllInjectionResult Inject(string sProcName, string sDllPath)
  60. {
  61. if (!File.Exists(sDllPath))
  62. {
  63. return DllInjectionResult.DllNotFound;
  64. }
  65.  
  66. uint _procId = 0;
  67.  
  68. Process[] _procs = Process.GetProcesses();
  69. for (int i = 0; i < _procs.Length; i++)
  70. {
  71. if (_procs[i].ProcessName == sProcName)
  72. {
  73. _procId = (uint)_procs[i].Id;
  74. break;
  75. }
  76. }
  77.  
  78. if (_procId == 0)
  79. {
  80. return DllInjectionResult.GameProcessNotFound;
  81. }
  82.  
  83. if (!bInject(_procId, sDllPath))
  84. {
  85. return DllInjectionResult.InjectionFailed;
  86. }
  87.  
  88. return DllInjectionResult.Success;
  89. }
  90.  
  91. bool bInject(uint pToBeInjected, string sDllPath)
  92. {
  93. IntPtr hndProc = OpenProcess((0x2 | 0x8 | 0x10 | 0x20 | 0x400), 1, pToBeInjected);
  94.  
  95. if (hndProc == INTPTR_ZERO)
  96. {
  97. return false;
  98. }
  99.  
  100. IntPtr lpLLAddress = GetProcAddress(GetModuleHandle("kernel32.dll"), "LoadLibraryA");
  101.  
  102. if (lpLLAddress == INTPTR_ZERO)
  103. {
  104. return false;
  105. }
  106.  
  107. IntPtr lpAddress = VirtualAllocEx(hndProc, (IntPtr)null, (IntPtr)sDllPath.Length, (0x1000 | 0x2000), 0X40);
  108.  
  109. if (lpAddress == INTPTR_ZERO)
  110. {
  111. return false;
  112. }
  113.  
  114. byte[] bytes = Encoding.ASCII.GetBytes(sDllPath);
  115.  
  116. if (WriteProcessMemory(hndProc, lpAddress, bytes, (uint)bytes.Length, 0) == 0)
  117. {
  118. return false;
  119. }
  120.  
  121. if (CreateRemoteThread(hndProc, (IntPtr)null, INTPTR_ZERO, lpLLAddress, lpAddress, 0, (IntPtr)null) == INTPTR_ZERO)
  122. {
  123. return false;
  124. }
  125.  
  126. CloseHandle(hndProc);
  127.  
  128. return true;
  129. }
  130. }
  131. }

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