"Dustin" <bughunter.dustin@gmail.com> wrote in message
news:Xns9F599A8B67C4BHHI2948AJD832@no...
> "FromTheRafters" <erratic.howard@gmail.com> wrote in
> news:j47o8d$utf$1@dont-email.me:
>
>> "Dustin" <bughunter.dustin@gmail.com> wrote in message
>> news:Xns9F58E660F562EHHI2948AJD832@no...
>>> "FromTheRafters" <erratic.howard@gmail.com> wrote in
>>> news:j3uamv$94a$1@dont-email.me:
>>>
>>>> "Dustin" <bughunter.dustin@gmail.com> wrote in message
>>>> news:Xns9F558CA9A208AHHI2948AJD832@no...
>>>>> "David W. Hodgins" <dwhodgins@nomail.afraid.org> wrote in
>>>>> newsp.v07k0xqda3w0dxdave@hodgins.homeip.net:
>>>>>
>>>>>> On Fri, 02 Sep 2011 18:50:54 -0400, Dustin
>>>>>> <bughunter.dustin@gmail.com> wrote:
>>>>>>
>>>>>>> Oh, and switching to linux still ****s you, when the optionrom2
>>>>>>> calls home on your internet connection and finds out she's
>>>>>>> stolen. Which it will do, when it cannot drop the exe file.
>>>>>>> LOL. Whan happens next is a
>>>>>>
>>>>>> If it's using a windows executable, to phone home, that won't
>>>>>> work.
>>>>>
>>>>> You seem to be missing something important. It can use the
>>>>> windows executable, but in the event it cannot drop it in a
>>>>> specified amount of time, it halts the boot process.
>>>>>
>>>>>> Are you saying the option rom can establish an internet
>>>>>> connection before the operating system boots?
>>>>>
>>>>> I'm not only saying that, but, being as I've extracted a viable
>>>>> sample of the option rom and have since learned how to remove it,
>>>>> I *know* the company is lying about the products limitations and
>>>>> abilities.
>>>>
>>>> Have you been analyzing the OEM partnered persistence version or
>>>> just the software CD loadable version?
>>>
>>> One from CD loading, one from OEM. They don't have much difference
>>> in code, and both can be remotely updated.
>>
>> Hmmm ... if it is all software and flashable firmware, then why is
>> there any need to partner with the manufacturer? Surely they don't
>> need any such partnership to make use of the 'guest room' on the
>> BIOS chip.
>
> Customized hardware options. They don't need the partnership, as long
> as your bios as the room. But, from a would be purchasing point of view
> ; it gives them credibility.
>
>> I read a little on the Toshiba forums where there is expressed
>> concern over the ability of black hats to use this as their own
>> personal rootkit by changing the 'phone home' address. Computrace's
>> reply was that they have firmware installed by the manufacturer.
>
> Yes, in some systems they do.
>
>> http://forums.toshiba.com/t5/Satelli...r/LoJack-vulne
>> rability/td-p/45947
>>
>> Why would they need the manufacturer to do something that they can
>> do from the software environment (i.e., flashing)?
>
> Depending on the expense of the product (The high end stuff only,
> basically); it actually has an extra chip soldered onto the mainboard;
> and you can see this was added later, not part of the original design.
> That chip I can do nothing with. If I remove it, the laptop dies.
If it can be made unusable by a thief, that is a small measure of success.
The possibility of subversion is worrying though.
> However, if I am able to reflash the main bios AND the optionrom2 code,
> I can still disable lojack. The chip contains code the system won't be
> able to use, because I turned it "back off" in the bios config. It's
> not a clean situation as I'd prefer, but it works still.
Well, I never thought the software version was worth anything anyway.
If you can remove the code, you can defeat the 'protection'. My take
was that they were able to put the essential code in a non-flashable
location.
> However, anybody good with cmos coding can always flip the bit and turn
> it back on, without the user knowing. When that ******* is re-
> activated, my work gets undone pretty quick.
>
>> I can't help thinking that there must be *something* that is
>> untouchable from the software environment.
>
> That chip. You can see if your box might have it, by entering cmos
> setup and looking for lojack options.
I'll have to look on my Toshiba.


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The laptop dying as a result of mod chip