Undocumented functions of NTDLL

2OOO, 24 December



NtSetSystemInformation
NtSetSystemInformation

NTSYSAPI 
NTSTATUS
NTAPI

NtSetSystemInformation(

IN SYSTEM_INFORMATION_CLASS SystemInformationClass, IN PVOID SystemInformation, IN ULONG SystemInformationLength );




NtSetSystemInformation is used to set some unaccessable KernelMode variables. See also NtQuerySystemInformation.



  • SystemInformationClass
  •     Information class described in SYSTEM_INFORMATION_CLASS.
  • SystemInformation
  •     Pointer to data buffer to set.
  • SystemInformationLength
  •     Length of information in SystemInformation buffer, in bytes.


    Documented by:
    Sven B. Schreiber
    Tomasz Nowak



    Requirements:
    Library: ntdll.lib


    See also:
    NtQuerySystemInformation
    SYSTEM_INFORMATION_CLASS