Looks like you won't even need a modchip. Unfortunately, this option doesn't allow you to run cusotm software, just play backup games.
Shame, anyone who has a modded xbox knows that the best thing about the first console is XBMC not the games
Xbox360 DVD Firmware Hacked - Video
>> As you know TheSpecialist and his team were working on a modified firmware for the Xbox 360. He already managed to make one for the original Xbox a while ago, and he announced this method was highly likely possible with the Xbox 360 too. From TheSpecialist on xboxhacker.net:
Months of hard work have come to an end. The 360 FW security details were posted a few days ago already, so why not make it official It's been done.
Respect to all the people on this board who made it possible with their brilliant contributions:
Anita999, Geremia, Nayr, Bluecop, Interestedhacker, MacDennis, Phantasm, Marvin, Tiros, SpenzerX, Team Modfreakz, Fuzzylogic, Takires, loser, jasper, SMO, Groepaz, Zobyone, Jumba, Amadeus, Tser, DjHuevo, oz_paulb, DaveX, darkfly, evestu, Robinsod, Dark_Neo, Gael360, Seventhson, probutus.
And no, the team decided not to release a hacked FW. The security details are proof itself. The team advocates hacking, not piracy.
What is this? A bit more info...
The hack is a modified firmware of the Xbox 360 Hitachi-LG GDR-3120L DVD-ROM drive (the security in the Toshiba/Samsung TS-H943 is said to be similar, so it's probably also possible with this drive ... but it does require it's own hacked firmware of course).
As you (should) know, all Xbox 360 executables (XEX files) are signed by Microsoft (with a private key only MS has). This means that if you try to change anything to the XEX file, the signature will be wrong and the file will not boot.
Now ... to protect from booting an exact copy of a game from a DVD-R or other recordable media, microsoft gave each XEX file a 'mediaflag'. This mediaflag tells the Xbox 360 from which media (cd-r, dvd-r, dvd+r, dvd-rw, hdd, dvdxbox, dvdxbox360, ...) the XEX is allowed to boot. Changing this mediaflag in the XEX header is not an option as it'll break the signature of the file (see above), so ... what's done in this firmware hack is 'break' the detection of the disc.
Retail games usually get a mediaflag where they only allow 'dvdxbox360' (Xbox 360 discs - different than a normal DVD because it has some specific bad sectors and special info in lead-in/out that can't be written with a standard dvd burner). The modified firmware will trick the DVD drive into reporting a DVD-R (or other) as a DVDXBOX360 to the Xbox 360.
How can you do this?
Well, right now you can't. The firmware has not been released to the public because it would mostly be used for piracy and that's not what this team wants (unlike the original Xbox hack this can't be used (atleast not directly) for homebrew and linux fun). But the research done by these guys is public as you can read their discussions of the last few months on the xboxhacker.net forums, so people with good assembly experience should be able to duplicate this hack.
If the firmware was released, what would it mean?
Right now the Xbox 360 DVD firmware can't be flashed via PC, because there's no software to do this. Of course, drivers and flashing software for Xbox360 DVD drives could probably be written (and some people have been working on this), but so far this has not been done (atleast not publicly).
So, that means you'd have to open your Xbox 360, open your DVD drive and desolder the chip where the firmware is stored on.
Each Xbox 360 DVD drive has a unique key, if that key doesn't match what your console is expecting your DVD drive will not work.
So next you will need to read your current firmware chip with special hardware (flash programmer), to find your unique DVD 16 byte key (stored at 0x4F00). Then you'll have to insert this key in the modified firmware (or patch your original firmware) and program this modified firmware back on the firmware chip. Then put the firmware chip back in the drive, close DVD drive and Xbox 360 and I guess you're done.
As said above the hack would allow you to run MS-signed and unmodified XEX files only, so that also means the game must be of right region (as changing the regionflag in the XEX header would break the signature). Unsigned, homebrew executables would of course not work, again because signature check would fail.
LIVE and Updates ...
Could you go on LIVE with this? Well the firmware isn't released, so noone can try, but I'd guess it would work yes. The Xbox 360 is fully in normal state, nothing is modified to the Xbox 360 itself, it just gets 'wrong' info from the DVD drive. Of course if you start modifying non-signed files (like textures, ini files, ...) in order to cheat or so MS could easily check for that.
Can Microsoft stop this firmware hack with forced LIVE updates? They could probably try detect a basic modified DVD firmware, but anything the Xbox 360 asks to the DVD drive goes via the DVD firmware, and if the firmware is 'open' in the hands of the hackers the firmware can probably each time be modified again to give the reply to the console expects. Microsoft could maybe do more with a HW security update ... but I'll let them analyse that.
We have opened up a new forum dedicated to Xbox 360 Development
Please ask any questions you like and give any input that you see fit. If you would like a staff position to help run this forum please contact email@example.com
Also if there are any high end designers out there who'd like to take on the job of redesigning our front page please also email us at the same address.
We have made some progress with a new read/patch/write app and no doubt you will all be plugging in your drives to your PC and having some fun shortly - all for free too as no modchips required (and yes we still want to play!)
Here is what we envisage...
> Connect Xbox 360 DVD-ROM to PC
> App to update firmware with magic code
> Connect DVD-ROM back to 360 - and away you go
Obviousley the only use for this is piracy - hence you wont see any modchips (not from us at least - however they wouldn't be needed anyway - however we do have a few cheap tools to make life much easier - more on that soon) Still a long long way off from unsigned code - but it's a start....
Thanks to The Specialist for reviving the scene! We understand he doesn't want to release anything due to possible backlash - but there are many of us who would - and will.
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