EMC from firmware?


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8 years 9 months ago #573 by dgb
EMC from firmware? was created by dgb
Hey all - maybe a silly question. I have a few firmware images I'd be willing to pass on to the great GH05T but I (stupidly) wasn't thinking to keep track of the EMC these. Is it possible to pull these from the firmware so these might be useful?

Thanks!

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8 years 9 months ago #575 by thaGH05T
Replied by thaGH05T on topic EMC from firmware?
Yes, please zip them up and attache them!

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8 years 9 months ago #577 by dgb
Replied by dgb on topic EMC from firmware?
No problem. I haven't looked through the firmware to find the EMC myself, but if you have an easy way of identifying the EMC within there can you share with me (and everyone) just for reference?

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8 years 9 months ago #580 by thaGH05T
Replied by thaGH05T on topic EMC from firmware?
Yea no problem I will write a tutorial about all the efi treasures to be found.
The following user(s) said Thank You: dgb

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8 years 9 months ago #592 by dgb
Replied by dgb on topic EMC from firmware?
Maybe even better - the process to "clean" them since I was just looking through mine before I donated it to the collection, and realize there is a lot of personal information in there, e-mail, network names, etc. I would be hesitant to share that with others, but similarly am hesitant to remove much of it as I don't know how sensitive the system is to modifications (haven't had a chance to test this out yet). If you have a working process for cleaning them, I'd prefer to do so before adding them to the library.

Thanks!

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8 years 9 months ago #593 by token.paul
Replied by token.paul on topic EMC from firmware?
It is not easy. All personal data stored within a special block, I called it 'Apple Specific Data Block' but personal data mixed with machine configuration data and make a separation of them sometimes just impossible. Some machine configuration stored within ME Region, is a 'unlock seed' serial number for late firmware versions. Might with time we are can find a way for full data clearing but right now no such process.

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8 years 9 months ago #596 by thaGH05T
Replied by thaGH05T on topic EMC from firmware?
Likely we can replace valid data with fake data if found. Token.paul would know more about the actual vulnerability of the information. I am surprised it has network names and email address. Just fill that info in with fake info and it should be fine.

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