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Update README.md
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ricardojoserf authored Feb 9, 2024
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# SharpNtdllOverwrite

Overwrite ntdll.dll's .TEXT section with a clean version of the DLL, helping to evade security measures that install API hooks.
Overwrite ntdll.dll's .TEXT section using a clean version of the DLL.

The unhooked version of the DLL can be obtained from a file on disk, the KnownDlls folder, a created debug process or a URL.
It can help to evade security measures that install API hooks such as EDRs.

The unhooked version of the DLL can be obtained from:

- A DLL file already on disk - For example "C:\Windows\System32\ntdll.dll".
- The KnownDlls folder - "\KnownDlls\ntdll.dll" for 64-bit processes and "\KnownDlls32\ntdll.dll" for 32-bit processes.
- A process created in debug mode - Processes created in suspended or debug mode have a clean ntdll.dll.
- A URL - Similar to the first option, but the file is downloaded from a web server.

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