NTSTATUS NTAPI NtQueryWnfStateData( In PWNF_STATE_NAME StateName, In_opt PWNF_TYPE_ID TypeId, In_opt const VOID* ExplicitScope, Out PWNF_CHANGE_STAMP ChangeStamp, Out_writes_bytes_to_opt (*BufferSize, *BufferSize) PVOID Buffer, Inout PULONG BufferSize );
typedef struct _WNF_TYPE_ID GUID TypeId; WNF_TYPE_ID, *PWNF_TYPE_ID;
return 0;
Modern exploit development often moves away from traditional triggers toward "data-only" attacks or sophisticated memory grooming. WNF is particularly favored for several reasons:
If you are searching for why this method is "better," you are likely looking for advantages in , Granularity , or Direct Access . Here is why using the Native API via ntdll.dll is considered superior in advanced scenarios: ntquerywnfstatedata ntdlldll better
NtQueryWnfStateData is the primary instrument for retrieving information from a specific WNF "State Name." Because it resides in ntdll.dll , it bypasses the standard Win32 API layer, offering a more direct (and potentially faster) path to the kernel’s state store. The function typically requires several parameters:
: Such as checking if the device is in "Quiet Hours" or "Airplane Mode". The function typically requires several parameters: : Such
What or notifications are you trying to track?
: Used if the query needs to look outside the caller's process scope. : Security researchers have historically looked at WNF
: Security researchers have historically looked at WNF functions like NtUpdateWnfStateData and NtQueryWnfStateData to understand kernel memory management and potential vulnerabilities (e.g., CVE-2021-31956). Troubleshooting ntdll.dll Crashes