Release of a DSi exploit by the TT!

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corenting
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Release of a DSi exploit by the TT!

Post by corenting »

Automatically translated from French.

After the announcement of a linker that will run in DSi mode (Cyclo iEvolution), and the recent discovery of the DSi's common key...
Here's a hack from Team Twiizers for the DSi, via a DSiWare!

French translation of their article:

As you may remember, we started looking into the DSi. Apart from a few earlier attempts using modified saves for hybrid games, we tried complex attacks that involved soldering many wires onto tiny points in order to examine and modify the RAM. But this is not feasible for the average homebrew user. That's why we used the knowledge gained through those complex attacks to recover information about the system, which finally allowed us to experiment with DSiWare games. We also learned how to create saves. So we can now do what we did 3 years ago on the Wii: modified saves!

In early December, we managed to run code in DSi mode by exploiting EA's DSiWare game "Sudoku". Sudoku is only available for the US (America), EU (Europe) and AU (Australia) regions. Exploiting DSiWare is interesting because in DSi mode the DSi's SD slot is accessible, the 16MB of RAM are available and the CPU runs 2x faster than in DS mode. The maximum size of code that can be run directly from the exploit is limited. So we needed a small piece of code that loads another application. Initially a WiFi loader was used, but we switched to loading from the DSi's SD slot. The SD loader launches the /boot.nds file from the SD card directly from Sudokuhax.

DSiWare exploits cannot access the Slot-1 cartridge. Only the system menu and the cartridge launcher can probably do that. The main advantage of DSiWare exploits over hybrid cartridge EEPROM exploits is access to SD cards. And the exploit supports SDHC cards!

Usage is detailed below:

1. Export Sudoku to the SD card via the data management menu.
2. Sudokuhax will be injected into the Sudoku application via the client software. The client software sends specific DSi data to a web server, then injects the retrieved data into the Sudoku application.
3. Copy the created binary onto the SD card with the same name as the original.
4. Copy Sudokuhax from the SD card to internal memory via the data management menu.
5. Launch Sudoku, then press A or touch the screen at the Sudoku title screen.
6. Now, the boot.nds file from the SD card will be launched.

The data sent by the client software is the unique and anonymous identifier of your DSi and other data required to modify the Sudoku executable on the SD card. This data is used to identify each request to the server.

The client software is available here. The tracker for the client software and for Sudokuhax is available here. The source code of the client software, under GNU GPLv2 license, is available here.

Video:

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Re: Release of a DSi exploit by the TT!

Post by TGbot »

Automatically translated from French.

The twizzer team on all fronts!

Respect :accord:
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Re: Release of a DSi exploit by the TT!

Post by safirion »

Automatically translated from French.

OMG!!! Long live TT :bravo: :bravo: :bravo: :bravo: :bravo:
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Re: Release of a DSi exploit by the TT!

Post by ipefix »

Automatically translated from French.

concretely what's this useful for the average user, what will we be able to do with it?

and why are they saying it now without really having exploited it fully? tomorrow nintendo will patch the game and so there'll be no point downloading it for people who'd want to take advantage of it (if it really lets you do something)

plus there are several sudokus so if you need to grab it quickly to take advantage of the flaw I don't even know which one it is xD I see three different ones and they all have a name more complicated than "sudoku"
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Re: Release of a DSi exploit by the TT!

Post by safirion »

Automatically translated from French.

According to TT, the game may have already been pulled from DSi Ware...
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Re: Release of a DSi exploit by the TT!

Post by Oops »

Automatically translated from French.

Thanks for the news and the responsiveness. still, distributing the game is illegal unless it was free (and even then)!!??
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Re: Release of a DSi exploit by the TT!

Post by safirion »

Automatically translated from French.

Where do you see that the game is being distributed?
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Re: Release of a DSi exploit by the TT!

Post by Oops »

Automatically translated from French.

safirion wrote:Where do you see that the game is being distributed?
sorry I misunderstood that sentence
corenting wrote:The tracker for the client software and for the Sudokuhax is available here
and I didn't follow the link on my phone :? my apologies :P
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Re: Release of a DSi exploit by the TT!

Post by safirion »

Automatically translated from French.

No worries ;)

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