NtQueryWnfStateData is an undocumented function within , there is no official Microsoft article for it . However, it is a critical part of the Windows Notification Facility (WNF)
// Example placeholder for a WNF State Name (This would be a specific ID) WNF_STATE_NAME targetState = 0x123456789ABCDEF; ntquerywnfstatedata ntdlldll better
Here is a conceptual overview of how to implement this in C/C++. This makes it a favorite for advanced security
. This makes it a favorite for advanced security researchers—and, occasionally, those writing less-than-friendly code. The Twist: The Danger of the Direct Route But power comes at a cost. Calling NtQueryWnfStateData directly from is like building a house on shifting sand. If you’ve been digging through Windows internals or
If you’ve been digging through Windows internals or debugging unusual system behavior, you may have come across the mysterious function name NtQueryWnfStateData inside ntdll.dll . A quick search for “ntquerywnfstatedata ntdlldll better” suggests you’re trying to understand this API and, more importantly, use it more effectively.