struct _OBJECT_ATTRIBUTES// Size=0x18
{
    unsigned long Length;// Offset=0x0 Size=0x4
    void * RootDirectory;// Offset=0x4 Size=0x4
    struct _UNICODE_STRING * ObjectName;// Offset=0x8 Size=0x4
    unsigned long Attributes;// Offset=0xc Size=0x4
    void * SecurityDescriptor;// Offset=0x10 Size=0x4
    void * SecurityQualityOfService;// Offset=0x14 Size=0x4
};