Hacking can arm9loaderhax be patched by nintedo in a newer update if you update your sysnand

mathieulh

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They could do stupid obfuscation, like doing a hash of some portion of FIRM and using it to generate keys, change ways modules get loaded, move the am version checks to Process9 and so forth. It's not really a cat and mouse game anymore, but they could start a game of annoyance.
 

driverdis

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Well, they could always update firm0/firm1.. We block updates to it by patching AM:InstallFIRM (that or AM:InstallNativeFIRM, I forget which.). They could add a new AM command to install firm.
They could but there is a catch.
You need to update to that new version first so that new AM command is added, but it will not be triggered until the next update after that. Inbetween this period, CFWs will be updated to block or ignore this new AM command.

Nintendo could do a 2 stage update however:
first stage update adds a new AM command and second stage update fires the command to update firm and to update the rest of the system.
 

jimmyleen

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As long as you are using AuReiNAND (protects automatically) or Cakes (with firm protect option on : something like that, I do not use cakes), you will be protected and nothing should break.

Wouldn't AureiNAND's a9lh detection option do just that?
 

Toasty

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thing is why arent nintedo trying hard to stop it if it allows piracy though
It's a waste of resources and time. What does the 3DS have left? It's at the end of it's lifecycle. Nintendo isn't going to bother. They can use those resources on Project NX instead.

Edit: shit, I forgot about Pokemon Sun/Moon. I guess the 3DS does have a little life left.
 
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WulfyStylez

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k9lhax can't be patched or revoked without a new bootrom revision, something Nintendo seems to be adverse to. Also, so long as people keep up with all of N's binary diffs, they can't slip anything in without a lot of people noticing. I haven't seen anyone openly do that on like gbatemp tho, which sure is alarming (for public cfw users) since that means their changes can affect a huge number of users before they even realize what hit them.

Is now a good time to give Nintendo ideas? Now's the time for them to crack down on modified firmware in general. Have arm11 do an arm9 call to take a sha256 of process9's .text and send that on sign-in. If that differs (maybe if it differs twice, w/e it's implementation details) just ban the system outright. It would likely take so long for public cfws to catch up and work around this (if they even do either) that they could probably catch a couple thousand/tens of thousands of users. Particularly (importantly!) many users who've had their systems modified thru a paid service and aren't super knowledgeable about hax themselves would get swept up in this.
(This idea isn't new btw, it's what the 360 did and it effectively permanently shut 99.9% of highest-level-modified consoles out of their online services)
 

Pluupy

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So what's stopping Nintendo development studios and other game developers from implementing game-based anti-piracy measures like they did on the DS?
 

TariqSoftDev

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Just make a backup of your NAND in case then theres no need to panic, although bricking your console if it has A9LH is a good way to make money as some people will get a new 3DS.
We should keep this in our head what if a Nintendo worker gets an idea T_T
 

pbanj

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So what's stopping Nintendo development studios and other game developers from implementing game-based anti-piracy measures like they did on the DS?
Well they did put new ap checks in game carts to try and stop flash carts...... it worked for all of maybe a day.
 

Plailect

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k9lhax can't be patched or revoked without a new bootrom revision, something Nintendo seems to be adverse to. Also, so long as people keep up with all of N's binary diffs, they can't slip anything in without a lot of people noticing. I haven't seen anyone openly do that on like gbatemp tho, which sure is alarming (for public cfw users) since that means their changes can affect a huge number of users before they even realize what hit them.

Is now a good time to give Nintendo ideas? Now's the time for them to crack down on modified firmware in general. Have arm11 do an arm9 call to take a sha256 of process9's .text and send that on sign-in. If that differs (maybe if it differs twice, w/e it's implementation details) just ban the system outright. It would likely take so long for public cfws to catch up and work around this (if they even do either) that they could probably catch a couple thousand/tens of thousands of users. Particularly (importantly!) many users who've had their systems modified thru a paid service and aren't super knowledgeable about hax themselves would get swept up in this.
(This idea isn't new btw, it's what the 360 did and it effectively permanently shut 99.9% of highest-level-modified consoles out of their online services)

The lack of anyone keeping track of binary diffs is probably the most worrying issue here.

While the exploit itself cannot be fixed without a bootrom update, it would be trivial for Nintendo to write to the firm partitions using a multitude of methods that aren't patched out by the commonly used CFWs. This would certainly catch quite a few users before anyone noticed (unless they screw up the implementation such as with that botched Wii Boot2 update and end up bricking people who update).

They could, of course, have always done this for EmuNAND/RedNAND users and never did, which would signal that they weren't willing to, but that's no reason to assume they never will.
 
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