Questions tagged [uefi]

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Debugging UEFI with real hardware?

New to this so here we go. I want to reverse engineer a x86-64 desktop UEFI to add hardware support. Since I have the actual hardware available, are there debug interfaces that run via actual ...
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0answers
61 views

AGESA Extraction - AMI UEFI

Are there any community tools that are aimed specifically at extracting or replacing AGESA code in a UEFI? In AMI UEFIs, AGESA is said to be scattered among multiple modules. I have read that in ...
1
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0answers
105 views

removing bios wireless white listing

I am trying to remove the white listing for wireless cards from my Thinkpad L540 running Debian Buster. I did the following steps: booted with kernel parameter iomem=relaxed used pawn to dump BIOS ...
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1answer
139 views

me_cleaner and fwupd, or manipulating UEFI .cab files

I'd like to extract a plain dump of the UEFI firmware of my laptop (1:1 copy of the flash content, often called .bin or .rom files) from the .cap file, so that I can modify it slightly with me_cleaner....
2
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1answer
1k views

Reverse Engineering BIOS (AMI A0.57)

Recently I got really interested in BIOS RE and I used chipsec to dump the content of SPI Flash ROM of my HP Omen Desktop PC to start my journey. But unlike older BIOSes, the binary file was pretty ...
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3answers
819 views

Decompress and Analyse VMWARE EFI64 bios

I want to analyse this UEFI bios here. When I open it in IDA it looks compressed to me. Also IDA lists the processor type as ZLOG. Shouldn't this be the multi processor setting for IDA? Anyway, If I ...