进程隐藏与进程保护(SSDT Hook 实现)(三)

文章目录:

                 

1. 引子:

2. 获取当前系统下所有进程:

3. 服务管理(安装,启动,停止,卸载):

4. 应用程序和内核程序通信:

5. 小结:

                

1. 引子:

                         

关于这个 SSDT Hook 实现进程隐藏和进程保护呢,这是最后一篇博文了,

在文章的结尾处呢你可以下载到整个项目的实例程序以及代码,

程序可以在 XP、Server、Win7 上运行的,当然我是说的 32 位操作系统。       

                  

《进程隐藏与进程保护(SSDT Hook 实现)(一)》呢把 SSDT Hook 的原理说得差不多了,

博文地址:http://www.cnblogs.com/BoyXiao/archive/2011/09/03/2164574.html

《进程隐藏与进程保护(SSDT Hook 实现)(二)》则把 SSDT Hook 的实现说得差不多了,

博文地址:http://www.cnblogs.com/BoyXiao/archive/2011/09/04/2166596.html

             

这一篇博文介绍的则是在 Ring3 下编写 MFC 应用程序,并且让应用程序与内核程序通信,

即由应用程序将需要隐藏的进程或者是需要保护的进程的 PID 传递给内核程序,

然后在内核程序中就会将传递进来的这个 PID 进行隐藏或者保护 ~

在这里再给出这个应用程序的一张截图:

进程隐藏与进程保护(SSDT Hook 实现)(三)_第1张图片

        

                

2. 获取当前系统下所有进程:

                 

前面提到过,要想获取到系统下的所有进程,有三种方法,

第一种即是使用 ToolHelp 来获取,

第二种则是使用 PSAPI 来获取,

第三种则是使用 ntdll.dll 中的未文档化的 NtQuerySystemInformation 之类的 API 来获取(比较麻烦)。

而在这里我使用最简单的方式,即通过 PSAPI 中的 EnumProcesses 这个 API 来获取,

EnumProcesses API 可以获取到当前系统下所有进程的 PID,并且将 PID 存放在作为输出参数的数组当中,

其原型如下(可以看 MSDN):

   1:  BOOL WINAPI EnumProcesses(
   2:    __out         DWORD* pProcessIds,
   3:    __in          DWORD cb,
   4:    __out         DWORD* pBytesReturned
   5:  );
   6:   

     

代码中使用(将获取到所有的 PID,然后将 PID 保存到 vector 容器中):

   1:  //遍历当前所有的进程,并且将进程 ID 填充到容器 vectorPID 中
   2:  void CSSDTProcessDlg::FillPIDVector()
   3:  {
   4:      DWORD dwPIDArray[MAX_PROCESS_COUNT];
   5:      DWORD dwNeededBytes;
   6:      DWORD dwProcCount;
   7:   
   8:      dwNeededBytes = 0;
   9:      dwProcCount = 0;
  10:      memset(dwPIDArray, 0, sizeof(DWORD) * MAX_PROCESS_COUNT);
  11:      if(NULL != EnumProcesses(dwPIDArray, sizeof(dwPIDArray), &dwNeededBytes))
  12:      {
  13:          dwProcCount = dwNeededBytes / sizeof(DWORD);
  14:      }
  15:   
  16:      BubbleSort(dwPIDArray, dwProcCount);
  17:   
  18:      ClearVector();
  19:      for(int i=0; i<dwProcCount; i++)
  20:      {
  21:          PROCESS_BIND procBind;
  22:          procBind.dwPID = dwPIDArray[i];
  23:          if(dwPIDArray[i] == 0)
  24:          {
  25:              procBind.state = ProcessStateUnknown;
  26:          }
  27:          else
  28:          {
  29:              procBind.state = ProcessStateGeneral;
  30:          }
  31:          this->m_vctAllProcess.push_back(procBind);
  32:      }
  33:  }

        

                

3. 服务管理(安装,启动,停止,卸载):

             

在 Windows 内核程序中,现在大体可以分为三类了,

第一类是 NT 式驱动程序;

第二类为 WDM 驱动程序;

第三类为 WDF 驱动程序;

其中,对于 NT 式驱动程序,其安装方式是很简单的,因为你可以将 NT 式驱动程序看做一个服务,

既然是服务的话,自然在 Windows 中可以通过 SCM API 来完成其安装,启动,停止和卸载等功能 ~

而至于 WDM 和 WDF 的话,如果其中涉及到了设备的话,还必须使用 INF 文件来实现安装 ~

而我们前面的那个 SSDT 内核程序就是基于 NT 式的驱动程序,所以可以通过 SCM API 来实现上面的这些功能,

至于如何使用 SCM API 来完成服务的安装、启动、停止和卸载功能的话,

可以参见笔者的另外一篇博文《Windows 服务(附服务开发辅助工具)》,

博文地址为:http://www.cnblogs.com/BoyXiao/archive/2011/08/07/2130208.html

下面就只是将服务的安装 API、启动 API、停止 API 和卸载 API 贴出来了 ~

至于这些代码的细细道来的话,可以参加上面给出的那篇博文的 ~

   1:  //=====================================================================================//
   2:  //Name: bool InstallSvc()                                                              //
   3:  //                                                                                     //
   4:  //Descripion: 安装服务                                                                 //
   5:  //            lpszSvcName 为服务名称,                                                 //
   6:  //            lpszDisplay 为显示在服务控制管理器中的名称,                             //
   7:  //            lpszSvcBinaryPath 为服务映像文件所在路径,                               //
   8:  //            dwSvcType 为服务类型                                                     //
   9:  //            dwStartType 为服务启动类型                                               //
  10:  //=====================================================================================//
  11:  bool CSSDTProcessDlg::InstallSvc(LPTSTR lpszSvcName, LPTSTR lpszDisplayName,
  12:          LPTSTR lpszSvcBinaryPath, DWORD dwSvcType, DWORD dwStartType)
  13:  {
  14:      SC_HANDLE hSCM = NULL;
  15:      SC_HANDLE hSvc = NULL;
  16:   
  17:      AdjustProcessTokenPrivilege();
  18:   
  19:      hSCM = OpenSCManager(NULL, NULL, SC_MANAGER_ALL_ACCESS);
  20:      if(NULL == hSCM)
  21:      {
  22:          OutputErrorMessage(TEXT("InstallSvc - OpenSCManager Failed , Error Code Is %d , Error Message Is %s !"));
  23:   
  24:          return FALSE;
  25:      }
  26:   
  27:      for(int i = 0; i < 3 && (NULL == hSvc); i++)
  28:      {
  29:          //SERVICE_WIN32_OWN_PROCESS  | SERVICE_INTERACTIVE_PROCESS
  30:          hSvc = CreateService(hSCM, lpszSvcName, lpszDisplayName, SERVICE_ALL_ACCESS, 
  31:              dwSvcType, dwStartType, SERVICE_ERROR_NORMAL, 
  32:              lpszSvcBinaryPath, NULL, NULL, NULL, NULL, NULL);
  33:          if(NULL != hSvc)
  34:          {
  35:              if(NULL != hSvc)
  36:              {
  37:                  CloseServiceHandle(hSvc);
  38:              }
  39:              CloseServiceHandle(hSCM);
  40:              return TRUE;
  41:          }
  42:      }
  43:   
  44:      OutputErrorMessage(TEXT("InstallSvc - CreateService Failed , Error Code Is %d , Error Message Is %s !"));
  45:   
  46:      CloseServiceHandle(hSCM);
  47:   
  48:      return FALSE;
  49:  }
  50:   
  51:   
  52:  //=====================================================================================//
  53:  //Name: bool UnInstallSvc()                                                            //
  54:  //                                                                                     //
  55:  //Descripion: 实现卸载服务                                                             //
  56:  //=====================================================================================//
  57:  bool CSSDTProcessDlg::UnInstallSvc(LPTSTR lpszSvcName)
  58:  {
  59:      SC_HANDLE hSCM = NULL;
  60:      SC_HANDLE hSvc = NULL;
  61:      bool rtResult = FALSE;
  62:   
  63:      AdjustProcessTokenPrivilege();
  64:   
  65:      hSCM = OpenSCManager(NULL, NULL, SC_MANAGER_ALL_ACCESS);
  66:      if(NULL == hSCM)
  67:      {
  68:          OutputErrorMessage(TEXT("UnInstallSvc - OpenSCManager Failed , Error Code Is %d , Error Message Is %s !"));
  69:   
  70:          return FALSE;
  71:      }
  72:   
  73:      hSvc = OpenService(hSCM, lpszSvcName, SERVICE_ALL_ACCESS);
  74:      if(NULL == hSvc)
  75:      {
  76:          OutputErrorMessage(TEXT("UnInstallSvc - OpenService Failed , Error Code Is %d , Error Message Is %s !"));
  77:   
  78:          CloseServiceHandle(hSCM);
  79:   
  80:          return FALSE;
  81:      }
  82:   
  83:      rtResult = DeleteService(hSvc);
  84:   
  85:      CloseServiceHandle(hSvc);
  86:      CloseServiceHandle(hSCM);
  87:   
  88:      return rtResult;
  89:  }
  90:   
  91:   
  92:  //=====================================================================================//
  93:  //Name: bool StartSvc()                                                                //
  94:  //                                                                                     //
  95:  //Descripion: 实现启动服务                                                             //
  96:  //=====================================================================================//
  97:  bool CSSDTProcessDlg::StartSvc(LPTSTR lpszSvcName)
  98:  {
  99:      SC_HANDLE hSCM = NULL;
 100:      SC_HANDLE hSvc = NULL;
 101:      bool rtResult = FALSE;
 102:   
 103:      AdjustProcessTokenPrivilege();
 104:   
 105:      hSCM = OpenSCManager(NULL, NULL, SC_MANAGER_ALL_ACCESS);
 106:      if(NULL == hSCM)
 107:      {
 108:          OutputErrorMessage(TEXT("StartSvc - OpenSCManager Failed , Error Code Is %d , Error Message Is %s !"));
 109:   
 110:          return FALSE;
 111:      }
 112:   
 113:      hSvc = OpenService(hSCM, lpszSvcName, SERVICE_ALL_ACCESS);
 114:      if(NULL == hSvc)
 115:      {
 116:          OutputErrorMessage(TEXT("StartSvc - OpenService Failed , Error Code Is %d , Error Message Is %s !"));
 117:   
 118:          CloseServiceHandle(hSCM);
 119:   
 120:          return FALSE;
 121:      }
 122:   
 123:      rtResult = StartService(hSvc, NULL, NULL);
 124:   
 125:      CloseServiceHandle(hSvc);
 126:      CloseServiceHandle(hSCM);
 127:   
 128:      if(FALSE == rtResult)
 129:      {
 130:          if(ERROR_SERVICE_ALREADY_RUNNING == GetLastError())
 131:          {
 132:              return TRUE;
 133:          }
 134:          else
 135:          {
 136:              OutputErrorMessage(TEXT("StartSvc - StartService Failed , Error Code Is %d , Error Message Is %s !"));
 137:   
 138:              return FALSE;
 139:          }
 140:      }
 141:      else
 142:      {
 143:          return TRUE;
 144:      }
 145:  }
 146:   
 147:   
 148:  //=====================================================================================//
 149:  //Name: bool StopSvc()                                                                 //
 150:  //                                                                                     //
 151:  //Descripion: 实现停止服务                                                             //
 152:  //=====================================================================================//
 153:  bool CSSDTProcessDlg::StopSvc(LPTSTR lpszSvcName)
 154:  {
 155:      SC_HANDLE hSCM = NULL;
 156:      SC_HANDLE hSvc = NULL;
 157:      bool rtResult = FALSE;
 158:   
 159:      SERVICE_STATUS svcStatus;
 160:   
 161:      AdjustProcessTokenPrivilege();
 162:   
 163:      hSCM = OpenSCManager(NULL, NULL, SC_MANAGER_ALL_ACCESS);
 164:      if(NULL == hSCM)
 165:      {
 166:          OutputErrorMessage(TEXT("StopSvc - OpenSCManager Failed , Error Code Is %d , Error Message Is %s !"));
 167:   
 168:          return FALSE;
 169:      }
 170:   
 171:      hSvc = OpenService(hSCM, lpszSvcName, SERVICE_ALL_ACCESS);
 172:      if(NULL == hSvc)
 173:      {
 174:          OutputErrorMessage(TEXT("StopSvc - OpenService Failed , Error Code Is %d , Error Message Is %s !"));
 175:   
 176:          CloseServiceHandle(hSCM);
 177:   
 178:          return FALSE;
 179:      }
 180:   
 181:      rtResult = ControlService(hSvc, SERVICE_CONTROL_STOP, &svcStatus);
 182:      if(rtResult == FALSE)
 183:      {
 184:          OutputErrorMessage(TEXT("StopSvc - ControlService Failed , Error Code Is %d , Error Message Is %s !"));
 185:      }
 186:      CloseServiceHandle(hSvc);
 187:      CloseServiceHandle(hSCM);
 188:   
 189:      return rtResult;
 190:  }

       

那么服务的安装和启动放在那里比较合适,而服务的关闭和卸载又放在那里比较合适呢 ?

由于这个应用程序采用 MFC 开发,自然可以在 OnInitDialog()中安装和启动服务比较合适,

而后可以在对话框类的析构函数中关闭和卸载掉服务 ~

安装和启动服务:

   1:      wstring wStrSysPath = GetSysFilePath();
   2:      BOOL bResult = InstallSvc(((LPTSTR)(LPCTSTR)SSDT01_SERVICE_NAME), 
   3:                                ((LPTSTR)(LPCTSTR)SSDT01_SERVICE_NAME), 
   4:                                ((LPTSTR)(LPCTSTR)wStrSysPath.c_str()), 
   5:                                SERVICE_KERNEL_DRIVER, SERVICE_DEMAND_START);
   6:      if(FALSE == bResult)
   7:      {
   8:          MessageBox(_TEXT(" Install SSDT Service Failed , Application Auto Exit !  "),
   9:                     _TEXT("Application Error"), MB_OK | MB_ICONSTOP);
  10:          CDialogEx::OnCancel();        
  11:          return FALSE;
  12:      }
  13:      else
  14:      {
  15:          bResult = StartSvc(SSDT01_SERVICE_NAME);
  16:          if(FALSE == bResult)
  17:          {
  18:              MessageBox(_TEXT(" Start SSDT Service Failed , Application Auto Exit !  "), 
  19:                         _TEXT("Application Error"), MB_OK | MB_ICONSTOP);
  20:              CDialogEx::OnCancel();
  21:              return FALSE;
  22:          }
  23:      }

           

停止并且将服务卸载掉:

   1:      ~CSSDTProcessDlg()
   2:      {
   3:          //在析构函数中关闭 SSDT 设备句柄
   4:          if(this->m_hDevice)
   5:          {
   6:              CloseHandle(this->m_hDevice);
   7:          }
   8:   
   9:          //当发生析构函数时,停止服务并且卸载服务
  10:          StopSvc(SSDT01_SERVICE_NAME);
  11:          UnInstallSvc(SSDT01_SERVICE_NAME);
  12:      }

        

                

4. 应用程序和内核程序通信:

           

由前面的第二篇博文,可以知道,应用程序和内核程序的通信我是通过 DeviceIoControl 来完成的,

开发过内核程序的都清楚,应用程序和内核程序的通信最普遍的也就通过三个 API 来实现,

一个 ReadFile,一个 WriteFile,一个 DeviceIoContrl,

当然其中属 DeviceIoControl 功能最为强大,完全可以用其替换掉 ReadFile 和 WriteFile,

DeviceIoControl 原型(详细信息可以参考 MSDN):

   1:  BOOL WINAPI DeviceIoControl(
   2:    __in          HANDLE hDevice,
   3:    __in          DWORD dwIoControlCode,
   4:    __in          LPVOID lpInBuffer,
   5:    __in          DWORD nInBufferSize,
   6:    __out         LPVOID lpOutBuffer,
   7:    __in          DWORD nOutBufferSize,
   8:    __out         LPDWORD lpBytesReturned,
   9:    __in          LPOVERLAPPED lpOverlapped
  10:  );
  11:   

         

至于如何实现应用程序和内核程序的通信的话,在我的 Demo 中是这样做处理的,

首先在 OnInitDialog 事件中通过 CreateFile 打开我们所安装的服务中创建的设备,

(在 NT 式驱动程序中我创建了一个设备,这个设备用来实现应用程序和内核程序的通信),

然后在对话框类中保存有一个全局变量,这个全局变量即代表所打开的这个设备的句柄,

进程隐藏与进程保护(SSDT Hook 实现)(三)_第2张图片

       

既然这个全局变量是保存的我们的设备的句柄,自然我们需要来获取到设备的句柄,并且将句柄赋值给该全局变量,

而这个呢,又是在 OnInitDialog 中完成的 ~

   1:      this->m_hDevice = CreateFile(SSDT01_DEVICE_NAME, GENERIC_READ | GENERIC_WRITE, 0, 
   2:                                   NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
   3:      if(INVALID_HANDLE_VALUE == this->m_hDevice)
   4:      {
   5:          MessageBox(_TEXT(" Open SSDT Device Failed , Application Auto Exit !  "), 
   6:                     _TEXT("Application Error"), MB_OK | MB_ICONSTOP);
   7:   
   8:          CDialogEx::OnCancel();
   9:          return FALSE;
  10:      }

        

有了这个设备句柄,我们就可以通过其来实现和内核程序的通信了,

因为通过在应用程序中调用 DeviceIoControl 可以产生 IRP_MJ_DEVICE_CONTROL 的 IRP,

然后该 IRP 可以被驱动程序中的 DeviceIoControl 分发函数所处理 ~

我们的应用程序只需要将我们所要隐藏或者是需要保护的进程的 PID 通过 DeviceIoControl 传递给内核程序即可 !!!

所以我们在应用程序中只需要调用 DeviceIoContrl 即可 ~

下面给出的代码比较凌乱(重点请看 DeviceIoControl 的调用)

   1:  //隐藏进程或者取消对进程的隐藏
   2:  void CSSDTProcessDlg::OnBnClickedBtnHideorunhide()
   3:  {
   4:      int nIndex;
   5:      DWORD dwPID;
   6:      CString cStrText;
   7:      CString cStrState;
   8:      
   9:      DWORD dwOutput;
  10:      BOOL bRet;
  11:      CHAR inBuffer[10];
  12:      CHAR outBuffer[10];
  13:      memset(inBuffer, 0, 10);
  14:      memset(outBuffer, 0, 10);
  15:   
  16:      dwPID = this->GetDlgItemInt(IDC_STATIC_SELECTED_PID);
  17:      this->GetDlgItemText(ID_BTN_HIDEORUNHIDE, cStrText);
  18:   
  19:      ultoa(dwPID, inBuffer, 10);
  20:   
  21:      nIndex = QueryItemIndexByPID(dwPID);
  22:      cStrState = this->m_ListCtrlProcess.GetItemText(nIndex, 4);
  23:   
  24:      if(cStrText.CompareNoCase(_TEXT("Hide")) == 0)
  25:      {
  26:          //隐藏 dwPID
  27:          bRet = DeviceIoControl(this->m_hDevice, IO_INSERT_HIDE_PROCESS, inBuffer, 10, 
  28:               &outBuffer, 10, &dwOutput, NULL);
  29:          if(bRet)
  30:          {
  31:              this->SetDlgItemText(ID_BTN_HIDEORUNHIDE, _TEXT("UnHide"));
  32:              if(cStrState.CompareNoCase(_TEXT("Protect")) == 0)
  33:              {
  34:                  this->m_ListCtrlProcess.SetItemText(nIndex, 4, _TEXT("HideAndProtect"));
  35:              }
  36:              else
  37:              {
  38:                  this->m_ListCtrlProcess.SetItemText(nIndex, 4, _TEXT("Hide"));
  39:              }
  40:              MessageBox(_TEXT(" Hide Process Sucess !  "), _TEXT("Information"), MB_OK | 
  41:                       MB_ICONINFORMATION);
  42:          }
  43:          else
  44:          {
  45:              MessageBox(_TEXT(" Hide Process Failed !  "), _TEXT("Warning"), MB_OK | MB_ICONERROR);
  46:          }
  47:      }
  48:      else
  49:      {
  50:          //解除 dwPID 隐藏
  51:          bRet = DeviceIoControl(this->m_hDevice, IO_REMOVE_HIDE_PROCESS, inBuffer, 10, 
  52:               &outBuffer, 10, &dwOutput, NULL);
  53:          if(bRet)
  54:          {
  55:              this->SetDlgItemText(ID_BTN_HIDEORUNHIDE, _TEXT("Hide"));
  56:              if(cStrState.CompareNoCase(_TEXT("Protect")) == 0 || 
  57:                 cStrState.CompareNoCase(_TEXT("HideAndProtect"))== 0)
  58:              {
  59:                  this->m_ListCtrlProcess.SetItemText(nIndex, 4, _TEXT("Protect"));
  60:              }
  61:              else
  62:              {
  63:                  this->m_ListCtrlProcess.SetItemText(nIndex, 4, _TEXT("General"));
  64:              }
  65:              MessageBox(_TEXT(" UnHide Process Sucess !  "), _TEXT("Information"), MB_OK | 
  66:                    MB_ICONINFORMATION);
  67:          }
  68:          else
  69:          {
  70:              MessageBox(_TEXT(" UnHide Process Failed !  "), _TEXT("Warning"), MB_OK | MB_ICONERROR);
  71:          }
  72:      }
  73:  }
  74:   
  75:   
  76:  //保护进程或者取消对进程的保护操作
  77:  void CSSDTProcessDlg::OnBnClickedBtnProtectorunprotect()
  78:  {
  79:      int nIndex;
  80:      DWORD dwPID;
  81:      CString cStrText;
  82:      CString cStrState;
  83:   
  84:      DWORD dwOutput;
  85:      BOOL bRet;
  86:      CHAR inBuffer[10];
  87:      CHAR outBuffer[10];
  88:      memset(inBuffer, 0, 10);
  89:      memset(outBuffer, 0, 10);
  90:   
  91:      dwPID = this->GetDlgItemInt(IDC_STATIC_SELECTED_PID);
  92:      this->GetDlgItemText(ID_BTN_PROTECTORUNPROTECT, cStrText);
  93:   
  94:      ultoa(dwPID, inBuffer, 10);
  95:   
  96:      nIndex = QueryItemIndexByPID(dwPID);
  97:      cStrState = this->m_ListCtrlProcess.GetItemText(nIndex, 4);
  98:   
  99:      if(cStrText.CompareNoCase(_TEXT("Protect")) == 0)
 100:      {
 101:          //保护 dwPID 保护
 102:          bRet = DeviceIoControl(this->m_hDevice, IO_INSERT_PROTECT_PROCESS, inBuffer, 10, 
 103:               &outBuffer, 10, &dwOutput, NULL);
 104:          if(bRet)
 105:          {
 106:              this->SetDlgItemText(ID_BTN_PROTECTORUNPROTECT, _TEXT("UnProtect"));
 107:              if(cStrState.CompareNoCase(_TEXT("Hide"))== 0)
 108:              {
 109:                  this->m_ListCtrlProcess.SetItemText(nIndex, 4, _TEXT("HideAndProtect"));
 110:              }
 111:              else
 112:              {
 113:                  this->m_ListCtrlProcess.SetItemText(nIndex, 4, _TEXT("Protect"));
 114:              }
 115:              MessageBox(_TEXT(" Protect Process Sucess !  "), _TEXT("Information"), MB_OK | 
 116:                    MB_ICONINFORMATION);
 117:          }
 118:          else
 119:          {
 120:              MessageBox(_TEXT(" Protect Process Failed !  "), _TEXT("Warning"), MB_OK | MB_ICONERROR);
 121:          }
 122:      }
 123:      else
 124:      {
 125:          //解除 dwPID 保护
 126:          bRet = DeviceIoControl(this->m_hDevice, IO_REMOVE_PROTECT_PROCESS, inBuffer, 10, 
 127:               &outBuffer, 10, &dwOutput, NULL);
 128:          if(bRet)
 129:          {
 130:              this->SetDlgItemText(ID_BTN_PROTECTORUNPROTECT, _TEXT("Protect"));
 131:              if(cStrState.CompareNoCase(_TEXT("Hide")) == 0 || 
 132:                   cStrState.CompareNoCase(_TEXT("HideAndProtect")) == 0)
 133:              {
 134:                  this->m_ListCtrlProcess.SetItemText(nIndex, 4, _TEXT("Hide"));
 135:              }
 136:              else
 137:              {
 138:                  this->m_ListCtrlProcess.SetItemText(nIndex, 4, _TEXT("General"));
 139:              }
 140:              MessageBox(_TEXT(" UnProtect Process Sucess !  "), _TEXT("Information"), MB_OK | 
 141:                    MB_ICONINFORMATION);
 142:          }
 143:          else
 144:          {
 145:              MessageBox(_TEXT(" UnProtect Process Failed !  "), _TEXT("Warning"), MB_OK | MB_ICONERROR);
 146:          }
 147:      }
 148:  }

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