SharpUnhooker

C# Based Universal API Unhooker - Automatically Unhook API Hives (ntdll.dll,kernel32.dll,user32.dll,and kernelbase.dll). you might want to use the SilentUnhooker function instead of the Unhooker for stealth reasons. This tool is inspired by this tool.This tool also included with AMSI and ETW patcher to break/disable them.

When executed, ScareCrow will copy the bytes of the system DLLs stored on disk in C:\Windows\System32\. 
These DLLs are stored on disk “clean” of EDR hooks because they are used by the system to load an unaltered copy into a new process when it’s spawned. 
Since EDR’s only hook these processes in memory, they remain unaltered. ScareCrow does not copy the entire DLL file, instead only focuses on the .text section of the DLLs. 
This section of a DLL contains the executable assembly, and by doing this ScareCrow helps reduce the likelihood of detection as re-reading entire files can cause an EDR to detect that there is a modification to a system resource. 
The data is then copied into the right region of memory by using each function’s offset. Each function has an offset which denotes the exact number of bytes from the base address where they reside, providing the function’s location on the stack. 
In order to do this, ScareCrow changes the permissions of the .text region of memory using VirtualProtect. 
Even though this is a system DLL, since it has been loaded into our process (that we control), we can change the memory permissions without requiring elevated privileges.

This tool is tested on Windows 10 v20H2

How it works (only for non-skids)

It reads and copies the .text section of the original (in-disk) DLL using "PE parser stuff"
It patches the .text section of the loaded DLL using Marshal.Copy and VirtualProtect(to changes the permission of the memory)
It checks the patched in-memory DLL by reading it and compare it with the original one to see if its correctly patched.

Note

If you want to copy the code,Pls dont change/remove the banner

Usage

Simply load the pre-compiled DLL or add the code function and call the main function from the SharpUnhooker class. You can load the pre-compiled DLL on Powershell with Reflection.Assembly too! This code uses C# 5,so it can be compiled with the built-in CSC from Windows 10.

To-Do List