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  4. VRChat added VRCA (?maybe VRCW too) protection

VRChat added VRCA (?maybe VRCW too) protection

Scheduled Pinned Locked Moved General Discussions
protectionvrchatvrcaripping
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  • agent287A agent287

    @thesauceislost

    js typing shi.jpeg

    T
    T
    thesauceislost
    wrote on last edited by
    #259

    @agent287 Youre the exact person im talking about. you literally have sent a workupload link earlier to a 'guide' you made. all of which could have just been put here but you know you would be banned for promoting a private paid discord. youre the problem.

    now proof or please stop. its just disrespectful

    agent287A 1 Reply Last reply
    -3
    • T thesauceislost

      @agent287 Youre the exact person im talking about. you literally have sent a workupload link earlier to a 'guide' you made. all of which could have just been put here but you know you would be banned for promoting a private paid discord. youre the problem.

      now proof or please stop. its just disrespectful

      agent287A
      agent287A
      agent287
      wrote on last edited by agent287
      #260

      @thesauceislost they're not all that private, only one is paid, and i dont see the issue with using a .md file for better organizations over the plaintext that would be shown if i had posted it in this thread. and having a link in my bio means that more than just the people in this thread can see and use it if they so choose. plus you get banned for promoting any discord directly on ripperstore forums, hence why its in an external link.

      1 Reply Last reply
      0
      • SailorMoonS SailorMoon

        @JohnKalo30 You can download it here. I'm going to assume you know how to use .vrca file.

        avtr_b15b3dc0-2dbe-4e24-8c8e-ab49d517e2a5

        J
        J
        JohnKalo30
        wrote on last edited by
        #261

        @SailorMoon It worked! Thank you

        1 Reply Last reply
        👍
        1
        • F fishyfishy32

          @Ibark4him2 any shot you would be willing to share the discord? Methods for any of this seem so scarce now.. would very much appreciate it!

          JetBlackSaviorJ
          JetBlackSaviorJ
          JetBlackSavior
          wrote on last edited by
          #262

          @fishyfishy32 Id also love a DM

          "There is always more to seek.... so go forth now, and seek it....."

          1 Reply Last reply
          0
          • I Ibark4him2

            there is a free option for ripping, from a discord server if you want a link to it let me know

            D
            D
            Dewww
            wrote on last edited by
            #263

            @Ibark4him2 could you tell me link in dm?plz

            1 Reply Last reply
            0
            • agent287A
              agent287A
              agent287
              wrote on last edited by
              #264

              the server they're talking about is explained in here [register or login to view this hidden content]

              1 Reply Last reply
              0
              • daswdasD
                daswdasD
                daswdas
                wrote on last edited by daswdas
                #265

                Sitting here reading this thread is honestly hilarious. AES-CBC-GCM-SHA256? PKCS#7 padding?
                You guys are overcomplicating everything and looking in completely the wrong places.

                • Forget trying to decompile GameAssembly.dll or sniffing packets. The 'true form' doing the heavy lifting Native, not managed C# code. If you know, you know.
                • The decryption key isn't sent by the server every time you load a world, avis. It's client-side and tied to your machine. Dump it once from memory and you're good.
                • Keep wasting time trying to guess the Associated Data (AD) for GCM. Spoiler: there isn't any. It's raw.
                • And here is why your attempts to decrypt it and drop it into AssetStudio end up with Corrupted or Truncated errors: VRChat fakes the file size in the UnityFS Header AND inflates the BlockInfo metadata at the end of the file to account for the AES block overhead. If you don't mathematically reverse their metadata patching, Unity will never load your raw decrypted data. Good luck figuring out the exact formula.

                Anyway, I’ve successfully written a fully working offline decryptor and bulk-dumped what I wanted, but I’ve quit playing VRChat and I’m moving on from this scene. I'm not dropping the source code here. If you're serious about getting the working method or the tool, find a way to contact me. Otherwise, have fun guessing

                E 1 Reply Last reply
                😧
                -6
                • daswdasD daswdas

                  Sitting here reading this thread is honestly hilarious. AES-CBC-GCM-SHA256? PKCS#7 padding?
                  You guys are overcomplicating everything and looking in completely the wrong places.

                  • Forget trying to decompile GameAssembly.dll or sniffing packets. The 'true form' doing the heavy lifting Native, not managed C# code. If you know, you know.
                  • The decryption key isn't sent by the server every time you load a world, avis. It's client-side and tied to your machine. Dump it once from memory and you're good.
                  • Keep wasting time trying to guess the Associated Data (AD) for GCM. Spoiler: there isn't any. It's raw.
                  • And here is why your attempts to decrypt it and drop it into AssetStudio end up with Corrupted or Truncated errors: VRChat fakes the file size in the UnityFS Header AND inflates the BlockInfo metadata at the end of the file to account for the AES block overhead. If you don't mathematically reverse their metadata patching, Unity will never load your raw decrypted data. Good luck figuring out the exact formula.

                  Anyway, I’ve successfully written a fully working offline decryptor and bulk-dumped what I wanted, but I’ve quit playing VRChat and I’m moving on from this scene. I'm not dropping the source code here. If you're serious about getting the working method or the tool, find a way to contact me. Otherwise, have fun guessing

                  E
                  E
                  Ekiru
                  wrote on last edited by
                  #266

                  @daswdas https://github.com/VRC1337/VRChatStudio I think I saw your username somerwhere, But can't remember.
                  what about this?

                  daswdasD 1 Reply Last reply
                  0
                  • E Ekiru

                    @daswdas https://github.com/VRC1337/VRChatStudio I think I saw your username somerwhere, But can't remember.
                    what about this?

                    daswdasD
                    daswdasD
                    daswdas
                    wrote on last edited by
                    #267

                    @Ekiru VRChatStudio look works fine, but doing it manually one-by-one is too slow for me

                    A 1 Reply Last reply
                    0
                    • daswdasD daswdas

                      @Ekiru VRChatStudio look works fine, but doing it manually one-by-one is too slow for me

                      A
                      A
                      Alisan
                      wrote on last edited by
                      #268

                      @daswdas 938a4ca3-a184-4f9d-866b-9e6d189af64e-image.jpeg
                      The program looks promising cus I am patient for one by one steps, but the encryptionKey part got me stuck. Do you have a method of getting that?

                      daswdasD 1 Reply Last reply
                      0
                      • A Alisan

                        @daswdas 938a4ca3-a184-4f9d-866b-9e6d189af64e-image.jpeg
                        The program looks promising cus I am patient for one by one steps, but the encryptionKey part got me stuck. Do you have a method of getting that?

                        daswdasD
                        daswdasD
                        daswdas
                        wrote on last edited by daswdas
                        #269

                        @Alisan https://streamable.com/ty43kf
                        So many downvotes, and people are even calling me fake. I tried so hard to give hints about what to do, but I just like to hold back that's all

                        ShadowkurouS 1 Reply Last reply
                        0
                        • daswdasD daswdas

                          @Alisan https://streamable.com/ty43kf
                          So many downvotes, and people are even calling me fake. I tried so hard to give hints about what to do, but I just like to hold back that's all

                          ShadowkurouS
                          ShadowkurouS
                          Shadowkurou
                          wrote on last edited by
                          #270

                          @daswdas I think the problem is that you are in a way gate keeping a method you have discovered, instead of contributing to the community. You essentially said, "Hey hi, I have a working method to extract the files, but I am not going to share with you how to do it."

                          Its just a big look at me situation saying I have what everyone has been working to try and figure out.

                          Be sure to upvote if I was able to help out. Emojis don't help my rep. I am talking to you, the people who only react with emojis instead of actually upvoting if I was able to help.

                          1 Reply Last reply
                          2
                          • daswdasD
                            daswdasD
                            daswdas
                            wrote on last edited by daswdas
                            #271

                            that's probably the case, but I did give hints on how to do it I just didn't drop it in the thread, that's all. I'm only willing to share it privately

                            ShadowkurouS L 2 Replies Last reply
                            1
                            • daswdasD daswdas

                              that's probably the case, but I did give hints on how to do it I just didn't drop it in the thread, that's all. I'm only willing to share it privately

                              ShadowkurouS
                              ShadowkurouS
                              Shadowkurou
                              wrote on last edited by
                              #272

                              @daswdas Since you are at least willing to share your method privately, are you willing to explain to me how you do that in a DM?
                              I am by far no expert when it comes to these types of things, but if you can explain to me how you are achieving this then I will be able to figure things out a bit as I can still follow and understand a lot of what is happening, and capable of learning.

                              Be sure to upvote if I was able to help out. Emojis don't help my rep. I am talking to you, the people who only react with emojis instead of actually upvoting if I was able to help.

                              1 Reply Last reply
                              1
                              • A
                                A
                                Alisan
                                wrote on last edited by
                                #273

                                If it's on the table can I get that dm too

                                1 Reply Last reply
                                0
                                • daswdasD
                                  daswdasD
                                  daswdas
                                  wrote on last edited by
                                  #274

                                  https://forum.ripper.store/topic/98376/understanding-vrchat-cache-encryption

                                  1 Reply Last reply
                                  0
                                  • S
                                    S
                                    SHIKAMI
                                    wrote on last edited by
                                    #275

                                    can some one rip these avatar's for me? https://vrchat.com/home/avatar/avtr_723045f0-c464-4f06-be83-8b20052a27ef https://vrchat.com/home/avatar/avtr_88236f61-fcd8-42ee-8e14-2462a602dd73 https://vrchat.com/home/avatar/avtr_fd3ed848-0268-40ad-b92f-22470498485b i would love if some one could ❤ ❤

                                    1 Reply Last reply
                                    -4
                                    • NewbKidN NewbKid

                                      @Dr.beep You do be speakin fax, i dont care whether its "public" or "personal" if i want it, imma get it.

                                      Stellar6254S
                                      Stellar6254S
                                      Stellar6254
                                      wrote on last edited by
                                      #276

                                      @NewbKid Good luck with that lols

                                      1 Reply Last reply
                                      0
                                      • firmsF
                                        firmsF
                                        firms
                                        wrote on last edited by
                                        #277

                                        Thank you for doing this. is it possible to get a privated avi? https://vrchat.com/home/avatar/avtr_5412660f-f411-44c5-b8c4-3fdcbffefd03

                                        agent287A 1 Reply Last reply
                                        0
                                        • firmsF firms

                                          Thank you for doing this. is it possible to get a privated avi? https://vrchat.com/home/avatar/avtr_5412660f-f411-44c5-b8c4-3fdcbffefd03

                                          agent287A
                                          agent287A
                                          agent287
                                          wrote on last edited by
                                          #278

                                          @firms not from the api like that, to get private avatars you have to be in the lobby with the person who is wearing it

                                          firmsF 1 Reply Last reply
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