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Learning Malware Analysis by Monnappa K A

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6.1 The Role Of The Device Driver

When the driver is loaded into the system, the I/O manager creates a driver object (DRIVER_OBJECT structure). The I/O manager then calls the driver's initialization routine, DriverEntry (which is analogous to the main() or WinMain() functions), by passing a pointer to the DRIVER_OBJECT structure as an argument. A driver object (DRIVER_OBJECT structure) represents an individual driver on the system. The DriverEntry routine will use the DRIVER_OBJECT to populate it with various entry points of the driver for handling specific I/O requests. Typically, in the DriverEntry routine, the driver creates a device object (DEVICE_OBJECT structure) that represent logical or physical devices. The device is created using ...

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