隐藏目录，filespy，过滤当前目录，xp以上可以动态加载-Hidden directory, filespy, filtering the current directory, xp more than can be dynamically loaded

文件系统过滤驱动 通过截获系统发出的irp 捕获文件操作从而实现对文件的保护-This module contains the code that implements the general purpose sample file system filter driver.