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Thread: DSiWare Exploit Sudokuhax Released!!!

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    DSiWare Exploit Sudokuhax Released!!!

    As you may remember we started looking at the DSi about two years ago. Despite some early attempts using savegame hacks for hybrid card games we eventually resorted to more complex attacks that involved soldering many wires to tiny points on the PCB to be able to trace and modify the RAM. However, doing this is not feasible for the average homebrew user so we used the knowledge we gained through these complicated attacks to get more information about the whole system which allowed us to experiment with DSiWare games in the end. We also learned how to create savegames so we can now do what we did three years ago with the Wii: Savegame hacks!

    In early December we managed to get DSi mode code execution by exploiting the DSiWare application ‘Sudoku’ by EA. Sudoku is only available for regions USA and EUR/AU. Exploiting DSiWare is interesting because in DSi mode the DSi SD card slot is accessible, the whole 16MB RAM is available, and the CPU is clocked 2x higher than DS-mode. The max size of the embedded code that can be loaded directly via this exploit is limited so a small payload was needed to chain load to another application. Initially a wifi loader was used, but this was switched to load from the DSi SD card slot. The SD card loader boots /boot.nds from the SD card directly from Sudokuhax.

    DSiWare exploits can’t access gamecard slot1, it’s likely that only launcher/sysmenu can access slot1. The main advantage of DSiWare exploits over hybrid card EEPROM savedata exploits is SD card access, *and* the exploit supports SDHC.

    Usage of the exploit is described below:

    1. Export Sudoku to SD card via the data management menu.
    2. Sudokuhax will then be injected into the Sudoku application via client software. The client software uploads DSi-specific data from the Sudoku application to a web server, then injects the retrieved data into the Sudoku application.
    3. Copy the output binary to SD card with the same filename as the original.
    4. Copy Sudokuhax from SD card to “internal memory” via the data management menu.
    5. Launch Sudoku, then press button A or touch screen at the Sudoku title screen.
    6. Now boot.nds on SD card will be run.

    The data uploaded by the client software includes the anonymous DSi-unique console ID, and other data required for modifying the Sudoku binary on SD card. This data is used for logging unique web server requests.
    Source: Hackmii Website

    ----------------------------------
    What will they think of next!!

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    Senior Member Shift_Lock's Avatar
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    Have you hacked a DS yet.. I have 2 for my boys at home and was considering it but I hear mixed reviews on it. Like the emulators run slow and/or there are many bugs and freeze issues. Any insight?

    Did I come off like a jerk?? Read more here


    [/spoiler]

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    I have 3 DS-Lites
    2 R4 - with woods FW
    1 Acecard2i

    I preordered the 3ds so we will see what happends then!!!!


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    2x m3i Zero & Sakura. Totally happy.

    Softmod ANY Wii
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    Retired WiiHacks Staff peire's Avatar
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    supercard dstwo DSi works like a charm
    thanks to bmarlo for this signature


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    I'll download the dsiware before Nintendo secretly patches it

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    So this is basically a softmod for DSi? No flashcart from Hong Kong needed now? Does this apply to the DSi XL?

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    So this is basically a softmod for DSi?
    We could be seeing that in the future

    No flashcart from Hong Kong needed now?
    No, flashcards needed for this exploit, just the sudoku dsiware
    Does this apply to the DSi XL?
    DSi/DSi XL

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