Win_1337_Apply_Patch_Powershell

Description

This PowerShell script is designed to apply/patch 1337 files directly into a .dll or .exe file. It includes modifications to handle permission and ownership changes to ensure successful patching, as recommended by @VorlonCD in this issue comment.

Features

• Apply patches to .dll or .exe files.
• Handles permission and ownership changes to ensure successful patching.
• Removes digital certificates from patched files.
• Updates the checksum of patched files.
• Provides detailed logging of the patching process.
• Create backup files before patching.

Usage

Prerequisites

• PowerShell 5.1 or higher.
• Administrative privileges to run the script.
• Patch files (Recommended to be in the same directory as the script) can be downloaded from nvidia-patch repository here based on your driver version.

Parameters

• -patchFile: Path to the patch file (mandatory).
• -targetFile: Path to the target .dll or .exe file (mandatory).
• -fixOffset: Optional switch to adjust the offset during patching.

Example Commands

.\Win_1337_Apply.ps1 -patchFile "nvencodeapi64.1337" -targetFile "C:\Windows\System32\nvencodeapi64.dll" -fixOffset

.\Win_1337_Apply.ps1 -patchFile "nvencodeapi.1337" -targetFile "C:\Windows\SysWOW64\nvencodeapi.dll" -fixOffset

Detailed Process

1. Permission and Ownership Change:

   • Changes the owner of the target file to "Administrators".
   • Grants "Administrators" full control permissions.

2. Patch Application:

   • Validates the patch instructions.
   • Creates a backup of the original file.
   • Applies the patch instructions to the target file.

3. Post-Patch Processing:

   • Removes the digital certificate from the patched file.
   • Updates the file checksum to ensure integrity.

Credits

This script is based on the work by Deltafox79 with additional modifications as per @VorlonCD's instructions.