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使用文件过滤驱动程序实现对文件的加密。在IFS 2003中编译

文件监视驱动程序样例(监视C驱活动)
Step1: 
   运行DbgView.exe产生调试信息窗口；
Step2:
   运行Load.exe,Ms-dos窗口出现提示：
Begin load driver:
Loading D:\driver\drv\MyFileSpy.sys...
OpenSCManager() OK
CreateService() OK
StartService() ok...
Open Driver MyFileSpy ok...
DeviceIoControl ok...
Press any key to continue...

Step3:
   查看DbgView的输出:
HookDisk...
IoAttachDeviceToDeviceStack Ok,FileSystem=817ad020
IoCallDriver
IoCallDriver
HookDisk OK
IoCompleteReguest
IoCompleteReguest
IRP_MJ_CLOSE
IoCompleteReguest
IoCallDriver
IoCallDriver
IoCallDriver
IoCallDriver
FastIoRead
IoCallDriver
IoCallDriver
IoCallDriver
IoCallDriver
IoCallDriver
IoCallDriver
FastIoQueryBasicInfo
IoCallDriver
FastIoQueryBasicInfo
IoCallDriver
FastIoQueryBasicInfo
IoCallDriver
FastIoQueryBasicInfo
IoCallDriver
FastIoQueryBasicInfo
IoCallDriver
IoCallDriver
IoCallDriver
IoCallDriver
Unload