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System Center Data Protection Manager (DPM) is a software product from Microsoft that provides near-continuous data protection and data recovery in a Microsoft Windows environment. It is part of the Microsoft System Center family of products and is Microsoft's first entry into the near-continuous backup and data recovery.
At its very core, a rootkit that employs DKOM hides itself from the Object Manager or Task manager.By modifying the linked list containing a list of all active threads and processes, this type of rootkit can essentially hide all traces from the Object Manager by wrapping the pointer away from the rootkit itself.
A hardware interrupt is a condition related to the state of the hardware that may be signaled by an external hardware device, e.g., an interrupt request (IRQ) line on a PC, or detected by devices embedded in processor logic (e.g., the CPU timer in IBM System/370), to communicate that the device needs attention from the operating system (OS) [7] or, if there is no OS, from the bare metal ...
Task Manager, previously known as Windows Task Manager, is a task manager, system monitor, and startup manager included with Microsoft Windows systems. It provides information about computer performance and running software, including names of running processes , CPU and GPU load, commit charge , I/O details, logged-in users, and Windows services .
A Deferred Procedure Call (DPC) is a Microsoft Windows operating system mechanism which allows high-priority tasks (e.g. an interrupt handler) to defer required but lower-priority tasks for later execution. This permits device drivers and other low-level event consumers to perform the high-priority part of their processing quickly, and schedule ...
On APIC with MSI systems, typically there are 224 interrupts available. [5] The easiest way of viewing this information on Windows is to use Device Manager or System Information (msinfo32.exe). On Linux, IRQ mappings can be viewed by executing cat /proc/interrupts or using the procinfo utility.
Interrupt handlers are initiated by hardware interrupts, software interrupt instructions, or software exceptions, and are used for implementing device drivers or transitions between protected modes of operation, such as system calls. The traditional form of interrupt handler is the hardware interrupt handler.
The system used by NAPI is an example of the hardware-based approach: the system (driver) starts in interrupt enabled state, and the Interrupt handler then disables the interrupt and lets a thread/task handle the event(s) and then task polls the device, processing some number of events and enabling the interrupt.