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Benjamin Höglinger-Stelzer 2023-06-18 18:34:23 +02:00
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Snippets/WDM/GetProcAddress.md
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For dynamically calling functions, [`MmGetSystemRoutineAddress`](https://learn.microsoft.com/en-us/windows-hardware/drivers/ddi/wdm/nf-wdm-mmgetsystemroutineaddress) will only work for exports from `NtosKrnl.exe`, but what if you wish to get a pointer to a function of an export driver (a.k.a. kernel DLL)? The following snippet has been tested on Windows 10 version 1507 and upwards. For dynamically calling functions, [`MmGetSystemRoutineAddress`](https://learn.microsoft.com/en-us/windows-hardware/drivers/ddi/wdm/nf-wdm-mmgetsystemroutineaddress) will only work for exports from `NtosKrnl.exe`, but what if you wish to get a pointer to a function of an export driver (a.k.a. kernel DLL)? The following snippet has been tested on Windows 10 version 1507 and upwards.
**WARNING:** in contrast to `LoadLibrary`s behaviour calling `FindDriverBaseAddress` will **not** load the desired module, if not found! I might add another helper function to achieve this in the future, if need arises.
## Header ## Header
```c ```c