Ntquerywnfstatedata Ntdll.dll Jun 2026

: Windows components use this to check system-wide settings like WNF_SHEL_AIRPLANE_MODE .

Output (typical):

NtQueryWnfStateData(\System\ProcessMon\Thread_4428) ntquerywnfstatedata ntdll.dll

NTSTATUS NtQueryWnfStateData( HANDLE StateName, // Identifier for the WNF topic HANDLE TypeId, // Optional type GUID PVOID Buffer, // Output buffer for state data PULONG BufferSize, // Size of buffer (in/out) PULONG WrittenSize, // Actual written size PLARGE_INTEGER TimeStamp // Optional last update timestamp );

int main() HMODULE hNtdll = GetModuleHandleA("ntdll.dll"); if (!hNtdll) return 1; : Windows components use this to check system-wide

Access shared data published by other processes or kernel drivers without direct coordination.

While higher-level IPC mechanisms (Named Pipes, RPC) are standard This article provides a deep technical analysis of

: An optional pointer to a GUID representing the expected data type.

This article provides a deep technical analysis of NtQueryWnfStateData , exploring its purpose, its relationship with ntdll.dll , its function signature, and its significance in modern security landscapes.

Aris ran the GUID through a hash reverse lookup. Nothing in public databases. But her kernel debugger had a live pipe to the machine. She decided to peek at the actual state data being returned.

But now, the agent had noticed her .