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However, it is not a native application thus it is not linked against ntdll.dll. Instead, ntoskrnl.exe has its own entry point "KiSystemStartup" that calls the architecture-independent kernel initialization function. Because it requires a static copy of the C Runtime objects, the executable is usually about 10 MB in size.
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] The Zw prefix does not stand for anything. [2] Rtl is the second largest group of ntdll calls. These comprise the (extended) C Run-Time Library, which includes many utility functions that ...
Using kernel stacks not allocated by the kernel; Modifying or patching code contained within the kernel itself, [8] or the HAL or NDIS kernel libraries [9] Kernel Patch Protection only defends against device drivers modifying the kernel. It does not offer any protection against one device driver patching another. [10]
The bootsect.exe utility program in the Windows PE tools has options /nt52 (NTLDR) and /nt60 (Vista and up) to store a NTLDR or Vista boot record in the first sector of a specified partition. [1] The command can be used for FAT and NTFS based file systems .
It is available in all subsequent Windows operating systems, and replaces Windows File Protection. Windows Resource Protection prevents the replacement of critical system files, registry keys and folders. Protecting these resources prevents system crashes. [1]
Despite having an ".exe" file extension, native applications cannot be executed by the user (or any program in the Win32 or other subsystems). An example is the autochk.exe binary that runs chkdsk during the system initialization "Blue Screen". Other prominent examples are the services that implement the various subsystems, such as csrss.exe.
The Session Manager Subsystem is the first user-mode process started by the kernel. Once started it creates additional paging files with configuration data from HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management, [1] the environment variables located at the registry entry HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\Environment, and DOS device mappings (e.g. CON ...
Valve Anti-Cheat (VAC) is an anti-cheat tool developed by Valve as a component of the Steam platform, first released with Counter-Strike in 2002.. When the software detects a cheat on a player's system, it will ban them in the future, possibly days or weeks after the original detection. [1]