22 April 2009 | 7,058 views

EFIPW – Modify Apple EFI Firmware Passwords

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EFIPW is a tool that can be used to decode and modify Apple EFI firmware passwords via the command line. It is designed after the non open source OFPW utility and is designed to work on Intel machines running Leopard or newer. Useful for lab deployments (setting the firmware password of machines as a post install item) and pen tests (recovering the EFI firmware password).

Tested on:

  • Core Duo (1st gen) Macbook Pro 15″
  • Core 2 Duo Macbook Pro 15″

Technical details on how it works here.

You can download EFIPW v0.1a here:


Or read more here.


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