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124w ago - Following up on the PS3UserCheat and True Blue unnecessary DRM-infected dongles being hacked alongside zadow28's work, today PlayStation 3 developer oct0xor shared a video of his OpenCobra Payload which aims to render the current Cobra USB dongle from Max Louarn useless.

Below are the details from his blog, as follows: "First I am going to say that this is not going to be an article, just a first blog post and some info about my recent project.

Finally I got my hands on cobra it was quite a lot of time since I touched this last time. There was s good things happened since then eg. I reverse engineered usercheat and true blue, had done a lot ps3 and not ps3 related hacking. There was a bad things eg. BlueDiskCFW, lv0 leak, a lot of devs leave the scene...

Cobra was for me really "the last" thing I have to do.

The last time when I worked on this I didnt had a dongle, and all what I had was a dump by JaiCraB. I reverse engineered it as much as possible, figure out almost all tricks, encrypton and etc. And figuare out that it reads a lot of data from dongle, and I cant do much without dongle itself. Thats why I put this project to the back burner.

Well... I had never buyed anyone dongle, and I never was not going to. All my dongles was donated (thanks again ) but not that time.

it was hard for me to make this decision but a few days ago cobra finally shipped to me...

3 days and now its all over.

Security is good enough, but not without big security risks. But it still the best crypto/obfuscation what I had seen on ps3. Sony have something to learn from this guys, especially now.

Cobra / True Blue almost identical, have the same source code, if you ever hacked 1 thing, 2nd wouldnt be a problem. The main functionality, honestly, not changed since original jb. Thats a shame. Thats why I cracking them like nuts




On the fourth day I taked a decision to make my own "OpenCobra" payload. only clean code without drm and garbage, to be able to port it to any new firmware, and change/add features. It taked 2 days, 3000 lines of asm, and you had seen the result.

Atm it based on 4.1 payload, plans for future is check/add new features from 4.4/5.0. Port to a new firmware (if cobra will not do this for me), and realize all nice innovations from new version of psp emu, such as better emu accuracy, 3D and etc...

In video you had seen Payload Loader. Thats the all code it has:

[Register or Login to view code]

This tag related patches handled by mngr. So far I want to move it in payload. First I have to check how it handled in 4.4 / 5.0

Not sure yet when it will be released, if it will be, but we will see.

Keys!

[Register or Login to view code]

If this subject will be interested for people, maybe I will write a full article about True Blue / Cobra analysis and hacking.

btw: Me and ~ some psp mysterious dark figure ~ reverse engineered algo for generating valid psp isos back to jule. But saves and a lot of games dont work without patching. So cobra's patched emu much better there imho."

Below are some additional pics from his blog which simply states: Usercheat + Cobra = <3

From flat_z: Here is some explanations to make things more clearer. If you read my twit about ps2_netemu you can see that I reverse-engineered it. It includes almost all things which are required to make custom disc images of original PS2 discs and run them on the PS3 if everything will works fine. So it can lead us to the process of remastering PS2 discs which includes making of ISO.BIN.ENC (the encrypted version of original image which can be read by the PS3), creation and encryption of .VME files (virtual memory cards), ISO.BIN.EDAT (includes the title ID of disc).

The only thing which is not currently known is the format of decrypted CONFIG file (I can decrypt the file and encrypt it back but it have a complex format). It is optional and can be empty but I'm afraid that some games requires it to run on the PS3. My plan was the creation of PS2 remastering tool and I wanted to share it. Although I even not sure will it work or no but there are many chances that it will.

But something happened before I started to do it. My HDD on the laptop died and I have all information regarding PS3 on it. Although I was able to restore some important files but not all. So I need a time to buy components for a new computer and build it. For the same reason, I have a delay on my real job (I'm working as a free-lancer) so I will going to do my job before I start to do something new for PS3.

P.S. I see many questions about compatibility. You don't need a backward compatible PS3 console to run PS2 games through ps2_netemu because it is software emulator and doesn't require any PS2 hardware components. Also I think that ps2_netemu is more better and stable than ps2_softemu but this statement requires testing.

Finally, from naehrwert (via twitter.com/naehrwert) comes some related Cobra ODE EID0 information (ECDSA from pastie.org/6169158) , as follows:

[Register or Login to view code]

While this is definitely interesting news, odds are it's just a ploy for the Cobra Team to release a new dongle that will be 'required' for their upcoming PS3 4.3x CFW unfortunately or the PS3 ODE in order to further line their pockets with PlayStation 3 sceners' hard-earned cash once again... as always, time will tell for sure.


Video: OpenCobra Cobra USB Dongle PS3 Payload by Oct0xor Demo

Video: OpenCobra Cobra USB Dongle PS3 Payload by Oct0xor Demo

Video: OpenCobra Cobra USB Dongle PS3 Payload by Oct0xor Demo

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#154 - DemonoidMaster - 172w ago
DemonoidMaster's Avatar
alright thanks. also, you said he updated his original MM project with a new build ? so this means Cobra MM is at 4.00 'ish. Deank's MM is at v09.02.09 ..

any differences ? new stuff? best option (your opinion on which version is best)??

#153 - DeVil3o3 - 172w ago
DeVil3o3's Avatar
I'll try answer some questions as the rest is only a possibility:

no dean hasn't left scene as he released an update for standard multiman showtime today. he has not released an update for normal multiman in sometime which has lead to this speculation IMO.

Yes. all users can use this now because it has been opened up to the whole scene, some features still require cobra but it has more features available to standard users than normal multiman. yes, one version release that works for everyone.

#152 - cfwprophet - 172w ago
cfwprophet's Avatar
Uhmm... no it's more that kind that deank helped them with the cobra stick and it's also nearly on that team cobra. The files used are from dev_flash and just ported / modified. No offence meant to any one. But just think, deank knows about that stuff, he also knows about the emulators but his official mm would not be developed to a lv like the cobra stick mm use. But they use his source to make Cobra MM soooo... use your brain

#151 - DemonoidMaster - 172w ago
DemonoidMaster's Avatar
Alright so if i undertand this properly... MultiMan's creator deank left the scene and now Team Cobra decided to pick this up and from now on they're doing the releases ?? wtf... anyhow also...

Users that are just using any kind of jailbroken PS3 can use this even if it's meant for the dongle ??

Is it a one version release only ? or is there one MM release for the dongle and one for the non-cobra users ?... because all i see is one link and its mirror link (both the same).

#150 - DeVil3o3 - 172w ago
DeVil3o3's Avatar
As far as I know Multiman has great compatibility with lots of ps1 games built in without any dongle required, Cobra are planning to support multidisk games too though which will be the only ps1 bonus to Cobra owners, if that gets released, it probably will, then the free scene will get it too not long after.. same old story!

#149 - Prince Valiant - 172w ago
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PSP/PSOne games as well, no?

#148 - hotd54me - 172w ago
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the only thing you'd really want the dongle for is to play your legally owned ps2 backups, well that's what i'd get it for anyway. otherwise, multiman and kmeaw is just as good!

#147 - Bartholomy - 172w ago
Bartholomy's Avatar
Surely he 's using it without dongle. Guys, please, wake up. Without dongle, doesn't do nothing more than what old version always did plus a lil more tricks..

#146 - DeVil3o3 - 172w ago
DeVil3o3's Avatar
I cant really help much with that as im on Rebug 3.55. Some more info might help others figure it out, I assume you are using the new cmMM 4.00?

Do you have the Cobra dongle? does it happen EVERY time you exit MM or only with certain games mounted etc?

#145 - tommasi - 172w ago
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system crash exiting form MM can anyone confirm? running phat ps3 60GB KMEAW 3.55