The short description of PCILeech: [1]
> PCILeech is capable of inserting a wide range of kernel
> implants into the targeted kernels - allowing for easy
> access to live ram and the file system via a "mounted
> drive". It is also possible to remove the logon password
> requirement, loading unsigned drivers, executing code and
> spawn system shells. PCIleech runs on Windows and Linux
[1] https://github.com/ufrisk/pcileech
(edit for formatting)