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Minifilter-CSHARP-Console-Command

The Filter

  • Currenly can deny access to individual files or volumes as a whole.
  • It can categorize permissions between read-only, write-only and no access restrictions
  • uses :permission_enum:filtepath; style for each entry such as (:5:C:\random.txt where 5 is write-only access)
  • For every request, it sends the name of the file that triggered the request to the console app through a port for a quick restriction check
  • Then according to the the app's response it either cancels or forwards the request to the next driver on the stack

The APP

alt text

  • App has the decision mechanism for the driver to ignore or forward the request to the next level.
  • Uses marhsalled Ftllib.dll functions and structures to talk with the driver.
  • Uses Entity framework to read from or add new restricted files.
  • Has built-in functions for changing the database
  • Every successfull access to the listed files will be logged in another entity framework database.