BIOS/UFEI simulation pre-boot bootdisk?

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Pandimensional

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Jan 25, 2009
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This is not Linux/Unix specific, I just choose to post here as I would think Linux/Unix folks might know more about this.

I would think there should be a means to bypass system hardware bios/UFEI by simulating bios/ufei on a bootable, removable drive.

Is this a thing that is being done?

Is this that very thing?..

https://www.plop.at/en/bootmanager/intro.html

I'm having some trouble determining if this boot manager still uses/requires system BIOS.

Thanks for any help you guys could give.
 
Joined
Jan 17, 2007
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696
Is this a practical or a theoretical problem?

If it is a real problem how about telling us more about it?

Plop is used where, e.g., the BIOS won't boot the computer from CD. Plop can be put on a floppy disk which starts the process and then it passes to the CD to complete it ---so it can effectively "boot" from CD.
 

Pandimensional

Thread Starter
Joined
Jan 25, 2009
Messages
249
It's a practical problem, which I'll briefly summarize. Yet I left something out - the goal is to boot a live usb such as Tails, while avoiding system BIOS/UEFI.

A bulletproof, uncrackable live amnesic Linux system on USB, that typically would offer substantial protection is completely useless against a threat model using BIOS/EFI exploits. There are a number of BIOS/EFI level exploits, the most exotic being a advanced form of hyperjacking in which a VM is created and the attacker controls the hypervisor.
 

managed

Allan
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May 24, 2003
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if you mean never using the Bios during the boot I think that's impossible, the Bios software is used to carry out the POST sequence.
 
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