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122w 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.


[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 comes some related Cobra ODE EID0 information (ECDSA from , 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

Stay tuned for more PS3 Hacks and PS3 CFW news, follow us on Twitter, Facebook and drop by the PS3 Hacks and PS3 Custom Firmware Forums for the latest PlayStation 3 scene and PlayStation 4 scene updates and fresh homebrew PS3 Downloads. Enjoy!

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#233 - JOshISPoser - 141w ago
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it should. it just bites the compatibility is less than stellar. i mean, the psx one is near perfect, so i imagine with some tweaking, people should be able to boost this on up a little more.

#232 - HeyManHRU - 141w ago
HeyManHRU's Avatar
Finally , funny thing is I just bought the game XIII for my PS2 but just realized my memory card was stuffed up so I couldn't save. Hopefully this will work well.

This well let me play original PS2 games on my PS3 though, right?

#231 - Lando43 - 141w ago
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Today PlayStation 3 developers mysis and eussNL on the Wiki have posted a method to get the PlayStation 2 (PS2) Software Emulator working on 3.55 CFW without a DRM-infected Cobra USB dongle for all PS3 Fat and Slim consoles.

Download: PlayStation 2 (PS2) Software Emulator Files for PS3 3.55 CFW / PlayStation 2 (PS2) Software Emulator Files for PS3 3.55 CFW (SRC)

To quote: Getting PlayStation 2 Software Emulator working

Method (on Firmware 3.55, without! Cobra-USB Dongle or Downgrade) for all consoles (fat & slim).

1. Replace following files on your consoles /dev_flash/ with the ones included in this archive p3dwik-ps2compatfiles.rar
2. Get into Factory Service Mode (FSM Tool/Dongle)
3. Insert your Original PS2 Game Disc
4. It will run.

Note: Backups won't work. You're getting the compatibility of the 2.60 software emulator with all of its bugs.

A possible compatibility lists:


PS2 Compat. flag

All consoles have hardware information. In GameOS you can call Lv2 Syscall 393 (0x189) sys_sm_get_model to get your consoles information. In Lv1/Hypervisor its in the repository nodes sc 0x5B lv1_get_repository_node with Parameters "sys","hw","config" usually noded as "sys.hw.config#0" or something.

Result examples:

[Register or Login to view code]

In binary formation:

[Register or Login to view code]

XMB checks this flag and if == 0, it will give following message: "This model of the PS3 system is not compatible with PlayStation 2 format software."

Those interested in running PS2 games on their PS3 console may also wish to check out the previous Open PS2 Loader v0.8 for PS3, PS3 USBLD Loader Source Code and USBAdvn Patcher and PS2 HDD Support & Discless ELF Launching from PS3 XMB articles as well.

Finally, in released news IngPereira has made available a PS2 DEX Boot 4.11 4.20 (Test) and below is also a PS3 EVO 1.0 video and release details by SONIC_BH for those interested, as follows:

Hi I just make a debug app that use some syscalls to do a reset into PS2 Lpar like boot_ps2 does, it should work on dex 4.11 or 4.20 but in these fw there is ps2 netemu instead of softemu so i need someone with an original disc of playstation 2 inserted on bd-drive and launch this test app and see what happens.

I am on 4.11 DEX but i don't have any original disc from PS2... This is basically the same thing that boot_ps2 does on 3.55 but there is a new emu file on dex 4.11 or 4.20 introduced on 3.70 with the use of PS2 Classics on PSN... This is not brick-risk, thanks to anyone who help me with this. Greetings...

1st - Download the file
2nd - Copy the file PS2 Evo v1.0.pkg to the root of a USB drive formated in FAT32
3rd - Install the .pkg from *Install Package Files*
4th - Insert a original PS2 disk on the BD
5th - Run the app and enjoy

More PlayStation 3 News...

#230 - rommy667 - 142w ago
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Thanks a lot for the quick reply guys the attachments rock

#229 - PS4 News - 142w ago
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The related files should be in this ongoing thread if you search the attachments, we add them with every update here. Also NEVER spam other sites here as we don't allow it per the site rules... either attach files or use free filesharing sites that do not require any registration to download directly.

#228 - windrider42 - 142w ago
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In Win 7 , make sure to Choose driver manually.

When you choose manually, only go as far as C:\Cobra USB\Cobra-USB_Updater_v2.0\driver, then click ok.

You can also install the PS3 updater, and update on your PS3 as well.

#227 - rommy667 - 142w ago
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Hi all, i'm having trouble getting win 7 to "see" it how do i get win 7 to update it?

#226 - windrider42 - 143w ago
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I don't believe it works for homebrew created into ISO. Have you actually tried a PS3 Game created into an ISO image.

I use genps3iso_v2.0 to create it on my pc.

#225 - hammerino - 143w ago
hammerino's Avatar
Hi Guys,

i am following the scene for a while now and I am very glad I found this forum. It helped me a lot. Thanks so far...

I am facing an issue with my cobra usb dongle. I am trying to get a ps3 iso running via nethost and it just don't work. I even created a ps3 iso with the PS3 and transferred it to the nethost. But it won't start. I always get an error message, that this operation is not allowed. See attached error message. I am an absolute noob and am not able to find out the root cause. Maybe it is an easy issue. Please help.

Thanks in advance

#224 - PS4 News - 146w ago
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MultiMAN mmCM v4.04.03 is now released adding a PS3 Blu-ray Region Changer for movies with the complete changes outlined below, as follows:

Download: mmCM v04.04.03 Base (20120702) (26.29 MB) / mmCM v04.04.03 Full (20120702) (260.77 MB)

Changelog 04.04.02 / 04.04.03:

  • Changed folder "Paste" behavior in mmOS - when overwriting existing folder the destination will not be deleted before pasting
  • Added 3 key combos in mmOS (for full list please refer to "navigation.txt"):
    - SELECT+(CROSS hold) - Select All
    - SELECT+(L2/R2) - Scroll to top/bottom of folder/file list
  • Extended "FTP Server" options in "Settings": Disable / Enable (1 min. TO)...(9 min. TO) / (No timeout) to set ftp connection timeouts
  • Added 4.20 to "Fimware Version" option in "Settings" (Cobra 3.55CFW)
  • Changed function "Game Updates" (different server; function will not work in older versions)
  • Changed function "Download Game Covers" (different server; function will not work in older versions)
  • Added option "Blu-ray Movie Disc Region" in "Settings" to change current PS3 region/targetid for movie compatibility (for non-Cobra/TB 3.55CFW)
  • Added support for ICON1.PAM in themes


  • The 'game updates' / 'game covers' servers have changed, so those that don't update will not have this function!
  • The Blu-ray movie region changer will currently NOT work on True Blue dongles or those still using v3.41 CFW.
  • This new 'region changer' feature does NOT work on DVD movies, only Blu-ray discs!

MultiMAN PS3 Debug / Test / DEX and Newer Build Updates

Update: Below are some additional multiMAN CEX and DEX update builds from deank:

Download: multiMAN v04.04.03 BASE (20120720) / multiMAN v04.04.03 BASE DEX (20120720) / multiMAN v04.04.03 BASE (20120721) / multiMAN v04.04.03 BASE DEX (20120721) / multiMAN v04.04.03 BASE DEX (20120721) (15.61MB) / multiMAN v04.04.03 BASE DEX (20120721) (14.88MB - included in both package above; can be used on DEX 3.55-4.11; can load backups on 3.55 DEX with peek&poke) / multiMAN v04.04.03 BASE CEX DEX (20120722) (33.55MB - Included cygwin DLL files in "norunpack" folder, included in both package above in "multiMAN folder; DEX version can be used on DEX 3.55-4.11; can load backups on 3.55DEX with peek&poke)

Note: Do not use older (20120721) versions of MM if going to flash NOR EID0 (you will get an error / nor flash won't be changed). Use 20120722 link.

Finally from naehrwert (via!/naehrwert):

spp parser:

btw. cobra's software will mount your dev_flash writeable at some point and modify files in it I don't think they told you about this..


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