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The SSDT maps syscalls to kernel function addresses. When a syscall is issued by a user space application, it contains the service index as parameter to indicate which syscall is called. The SSDT is then used to resolve the address of the corresponding function within ntoskrnl.exe.
When called from ntdll.dll in user mode, these groups are almost exactly the same; they execute an interrupt into kernel mode and call the equivalent function in ntoskrnl.exe via the SSDT. When calling the functions directly in ntoskrnl.exe (only possible in kernel mode), the Zw variants ensure kernel mode, whereas the Nt variants do not. [1]
Security Manager, access token for the Win32 API Vf: Vi: Driver Verifier: Zw/Nt: Nt or Zw are system calls declared in ntdll.dll and ntoskrnl.exe. When called from ntdll.dll in user mode, these groups are almost exactly the same; they trap into kernel mode and call the equivalent function in ntoskrnl.exe via the SSDT.
If the operating system fails to load due to a faulty or incorrectly configured video driver, this switch allows the system to load, so the user may then remove, update, or roll back the video driver causing the problem. Using this switch in conjunction with the /SOS switch helps to determine the driver that is triggering a failure. [7]
This functionality was removed from Windows Vista (and therefore later versions) to improve security and rid the operating system of generally unused functionality. [14] Scrap (.shs) files have been used by viruses because they can contain a wide variety of files (including executable code), and the file extension is not shown even when "Hide ...
The Windows Resource Kit for Windows NT 3.51, Windows NT 4.0 and Windows 2000 provides tools to control the use and registration of services: SrvAny.exe acts as a service wrapper to handle the interface expected of a service (e.g. handle service_start and respond sometime later with service_started or service_failed) and allow any executable or ...
The Bluetooth Devices Control Panel applet introduced with Windows XP was a tabbed window that displayed paired devices on a Devices tab. When a device in this tab was selected, the device category, last connection time, MAC address, and type of connection for the selected device were displayed.
Windows 10 October 2018 Update [1] (also known as version 1809 [2] and codenamed "Redstone 5") is the sixth major update to Windows 10 and the fifth in a series of updates under the Redstone codenames. It carries the build number 10.0.17763.