Kernel Mode Extensions Driver
This is a very simple driver that registers the callbacks using the following routines:
- CmRegisterCallback
- CmRegisterCallbackEx
- ExRegisterCallback
- ObRegisterCallbacks
- PsSetCreateProcessNotifyRoutine
- PsSetCreateProcessNotifyRoutineEx
- PsSetCreateProcessNotifyRoutineEx2
- PsSetCreateThreadNotifyRoutine
- PsSetCreateThreadNotifyRoutineEx
- PsSetLoadImageNotifyRoutine
In each callback registered the driver DbgPrints some minimal amount of information describing the operation. It is meant as a convenient way to play with the behavior and invocation of these callbacks on different versions of Windows.
Building
The provided solution builds in Visual Studio 2015 with the Windows 10 1607 WDK
Installation
Create a service entry for the driver:
sc create kmexts binpath=c:\users\osr\desktop\kmexts.sys type=kernel start=demand
Then start the driver:
net start kmexts
Be sure to have DbgPrint messages enabled for your target machine either via the Registry or the debugger. See Getting DbgPrint Output to Appear in Vista and Later.