예제 #1
0
        private static bool Init(byte[] il2cppBytes, byte[] metadataBytes, out Metadata metadata, out Il2Cpp il2Cpp)
        {
            var sanity = BitConverter.ToUInt32(metadataBytes, 0);

            if (sanity != 0xFAB11BAF)
            {
                throw new InvalidDataException("ERROR: Metadata file supplied is not valid metadata file.");
            }
            Console.WriteLine("Initializing metadata...");
            metadata = new Metadata(new MemoryStream(metadataBytes));
            Console.WriteLine($"Metadata Version: {metadata.Version}");
            //判断il2cpp的magic
            var il2cppMagic = BitConverter.ToUInt32(il2cppBytes, 0);
            var isElf       = false;
            var isPE        = false;
            var is64bit     = false;
            var isNSO       = false;
            var isRaw       = false;
            var baseAddr    = 0UL;

            switch (il2cppMagic)
            {
            default:
                //throw new NotSupportedException("ERROR: il2cpp file not supported.");
                Console.Write("Failed to recognize the format of il2cpp, processing it as raw memory file!");
                isRaw = true;
                Console.Write("Enter base address (in hex, like 23c000): ");
                baseAddr = Convert.ToUInt64(Console.ReadLine(), 16);
                Console.WriteLine("Select the bit width:");
                Console.WriteLine("1.32bit 2.64bit");
                var k      = Console.ReadKey();
                var choice = int.Parse(k.KeyChar.ToString()) - 1;
                if (choice > 2 || choice < 0)
                {
                    throw new InvalidDataException("ERROR: wrong bit width choice");
                }
                is64bit = choice == 1;
                break;

            case 0x304F534E:
                isNSO   = true;
                is64bit = true;
                break;

            case 0x905A4D:     //PE
                isPE = true;
                break;

            case 0x464c457f:             //ELF
                isElf = true;
                if (il2cppBytes[4] == 2) //ELF64
                {
                    is64bit = true;
                }
                break;

            case 0xCAFEBABE:     //FAT Mach-O
            case 0xBEBAFECA:
                var machofat = new MachoFat(new MemoryStream(il2cppBytes));
                Console.Write("Select Platform: ");
                for (var i = 0; i < machofat.fats.Length; i++)
                {
                    var fat = machofat.fats[i];
                    Console.Write(fat.magic == 0xFEEDFACF ? $"{i + 1}.64bit " : $"{i + 1}.32bit ");
                }
                Console.WriteLine();
                var key   = Console.ReadKey(true);
                var index = int.Parse(key.KeyChar.ToString()) - 1;
                var magic = machofat.fats[index % 2].magic;
                il2cppBytes = machofat.GetMacho(index % 2);
                if (magic == 0xFEEDFACF)
                {
                    goto case 0xFEEDFACF;
                }
                else
                {
                    goto case 0xFEEDFACE;
                }

            case 0xFEEDFACF:     // 64bit Mach-O
                is64bit = true;
                break;

            case 0xFEEDFACE:     // 32bit Mach-O
                break;
            }

            var version = config.ForceIl2CppVersion ? config.ForceVersion : metadata.Version;

            Console.WriteLine("Initializing il2cpp file...");
            var il2CppMemory = new MemoryStream(il2cppBytes);

            if (isRaw)
            {
                il2Cpp = new Raw(il2CppMemory, baseAddr, is64bit, version, metadata.maxMetadataUsages);
            }
            else if (isNSO)
            {
                var nso = new NSO(il2CppMemory, version, metadata.maxMetadataUsages);
                il2Cpp = nso.UnCompress();
            }
            else if (isPE)
            {
                il2Cpp = new PE(il2CppMemory, version, metadata.maxMetadataUsages);
            }
            else if (isElf)
            {
                if (is64bit)
                {
                    il2Cpp = new Elf64(il2CppMemory, version, metadata.maxMetadataUsages);
                }
                else
                {
                    il2Cpp = new Elf(il2CppMemory, version, metadata.maxMetadataUsages);
                }
            }
            else if (is64bit)
            {
                il2Cpp = new Macho64(il2CppMemory, version, metadata.maxMetadataUsages);
            }
            else
            {
                il2Cpp = new Macho(il2CppMemory, version, metadata.maxMetadataUsages);
            }
            Console.WriteLine($"Il2Cpp Version: {il2Cpp.Version}");

            Console.WriteLine("Searching...");
            try
            {
                var flag = il2Cpp.PlusSearch(metadata.methodDefs.Count(x => x.methodIndex >= 0), metadata.typeDefs.Length);
                if (!flag)
                {
                    flag = il2Cpp.Search();
                }
                if (!flag)
                {
                    flag = il2Cpp.SymbolSearch();
                }
                if (!flag)
                {
                    Console.WriteLine("ERROR: Can't use auto mode to process file, try manual mode.");
                    Console.Write("Input CodeRegistration: ");
                    var codeRegistration = Convert.ToUInt64(Console.ReadLine(), 16);
                    Console.Write("Input MetadataRegistration: ");
                    var metadataRegistration = Convert.ToUInt64(Console.ReadLine(), 16);
                    il2Cpp.Init(codeRegistration, metadataRegistration);
                    return(true);
                }
            }
            catch (Exception e)
            {
                Console.WriteLine(e);
                Console.WriteLine("ERROR: An error occurred while processing.");
                return(false);
            }
            return(true);
        }
예제 #2
0
        private static bool Init(byte[] il2cppBytes, byte[] metadataBytes, string stringVersion, int mode, out Metadata metadata, out Il2Cpp il2Cpp)
        {
            var sanity = BitConverter.ToUInt32(metadataBytes, 0);

            if (sanity != 0xFAB11BAF)
            {
                throw new InvalidDataException("ERROR: Metadata file supplied is not valid metadata file.");
            }
            float fixedVersion;
            var   metadataVersion = BitConverter.ToInt32(metadataBytes, 4);

            if (metadataVersion == 24)
            {
                if (stringVersion == null)
                {
                    Console.WriteLine("Input Unity version: ");
                    stringVersion = Console.ReadLine();
                }
                try
                {
                    var versionSplit = Array.ConvertAll(Regex.Replace(stringVersion, @"\D", ".").Split(new[] { "." }, StringSplitOptions.RemoveEmptyEntries), int.Parse);
                    var unityVersion = new Version(versionSplit[0], versionSplit[1]);
                    if (unityVersion >= Unity20201)
                    {
                        fixedVersion = 24.3f;
                    }
                    else if (unityVersion >= Unity20191)
                    {
                        fixedVersion = 24.2f;
                    }
                    else if (unityVersion >= Unity20183)
                    {
                        fixedVersion = 24.1f;
                    }
                    else
                    {
                        fixedVersion = metadataVersion;
                    }
                }
                catch
                {
                    throw new InvalidDataException("You must enter the correct Unity version number");
                }
            }
            else
            {
                fixedVersion = metadataVersion;
            }
            Console.WriteLine("Initializing metadata...");
            metadata = new Metadata(new MemoryStream(metadataBytes), fixedVersion);
            //判断il2cpp的magic
            var il2cppMagic = BitConverter.ToUInt32(il2cppBytes, 0);
            var isElf       = false;
            var isPE        = false;
            var is64bit     = false;
            var isNSO       = false;

            switch (il2cppMagic)
            {
            default:
                throw new NotSupportedException("ERROR: il2cpp file not supported.");

            case 0x304F534E:
                isNSO   = true;
                is64bit = true;
                break;

            case 0x905A4D:     //PE
                isPE = true;
                break;

            case 0x464c457f:             //ELF
                isElf = true;
                if (il2cppBytes[4] == 2) //ELF64
                {
                    is64bit = true;
                }
                break;

            case 0xCAFEBABE:     //FAT Mach-O
            case 0xBEBAFECA:
                var machofat = new MachoFat(new MemoryStream(il2cppBytes));
                Console.Write("Select Platform: ");
                for (var i = 0; i < machofat.fats.Length; i++)
                {
                    var fat = machofat.fats[i];
                    Console.Write(fat.magic == 0xFEEDFACF ? $"{i + 1}.64bit " : $"{i + 1}.32bit ");
                }
                Console.WriteLine();
                var key   = Console.ReadKey(true);
                var index = int.Parse(key.KeyChar.ToString()) - 1;
                var magic = machofat.fats[index % 2].magic;
                il2cppBytes = machofat.GetMacho(index % 2);
                if (magic == 0xFEEDFACF)
                {
                    goto case 0xFEEDFACF;
                }
                else
                {
                    goto case 0xFEEDFACE;
                }

            case 0xFEEDFACF:     // 64bit Mach-O
                is64bit = true;
                break;

            case 0xFEEDFACE:     // 32bit Mach-O
                break;
            }

            var version = config.ForceIl2CppVersion ? config.ForceVersion : metadata.Version;

            Console.WriteLine("Initializing il2cpp file...");
            var il2CppMemory = new MemoryStream(il2cppBytes);

            if (isNSO)
            {
                var nso = new NSO(il2CppMemory, version, metadata.maxMetadataUsages);
                il2Cpp = nso.UnCompress();
            }
            else if (isPE)
            {
                il2Cpp = new PE(il2CppMemory, version, metadata.maxMetadataUsages);
            }
            else if (isElf)
            {
                if (is64bit)
                {
                    il2Cpp = new Elf64(il2CppMemory, version, metadata.maxMetadataUsages);
                }
                else
                {
                    il2Cpp = new Elf(il2CppMemory, version, metadata.maxMetadataUsages);
                }
            }
            else if (is64bit)
            {
                il2Cpp = new Macho64(il2CppMemory, version, metadata.maxMetadataUsages);
            }
            else
            {
                il2Cpp = new Macho(il2CppMemory, version, metadata.maxMetadataUsages);
            }

            if (mode == 0)
            {
                Console.WriteLine("Select Mode: 1.Manual 2.Auto");
                var modeKey = Console.ReadKey(true);
                mode = int.Parse(modeKey.KeyChar.ToString());
            }
            try
            {
                if (mode == 1)
                {
                    Console.Write("Input CodeRegistration: ");
                    var codeRegistration = Convert.ToUInt64(Console.ReadLine(), 16);
                    Console.Write("Input MetadataRegistration: ");
                    var metadataRegistration = Convert.ToUInt64(Console.ReadLine(), 16);
                    il2Cpp.Init(codeRegistration, metadataRegistration);
                    return(true);
                }
                else if (mode == 2)
                {
                    Console.WriteLine("Searching...");
                    var flag = il2Cpp.PlusSearch(metadata.methodDefs.Count(x => x.methodIndex >= 0), metadata.typeDefs.Length);
                    if (!flag)
                    {
                        flag = il2Cpp.Search();
                    }
                    if (!flag)
                    {
                        flag = il2Cpp.SymbolSearch();
                    }
                    if (!flag)
                    {
                        Console.WriteLine("ERROR: Can't use auto mode to process file, try manual mode.");
                        return(false);
                    }
                }
                else
                {
                    Console.WriteLine("ERROR: You have to choose a mode.");
                    return(false);
                }
            }
            catch (Exception e)
            {
                Console.WriteLine(e);
                Console.WriteLine("ERROR: An error occurred while processing.");
                return(false);
            }
            return(true);
        }
예제 #3
0
        private static bool Init(string il2cppPath, string metadataPath, out Metadata metadata, out Il2Cpp il2Cpp)
        {
            Console.WriteLine("Initializing metadata...");
            var metadataBytes = File.ReadAllBytes(metadataPath);

            metadata = new Metadata(new MemoryStream(metadataBytes));
            Console.WriteLine($"Metadata Version: {metadata.Version}");

            Console.WriteLine("Initializing il2cpp file...");
            var il2cppBytes  = File.ReadAllBytes(il2cppPath);
            var il2cppMagic  = BitConverter.ToUInt32(il2cppBytes, 0);
            var il2CppMemory = new MemoryStream(il2cppBytes);

            switch (il2cppMagic)
            {
            default:
                throw new NotSupportedException("ERROR: il2cpp file not supported.");

            case 0x6D736100:
                var web = new WebAssembly(il2CppMemory);
                il2Cpp = web.CreateMemory();
                break;

            case 0x304F534E:
                var nso = new NSO(il2CppMemory);
                il2Cpp = nso.UnCompress();
                break;

            case 0x905A4D:     //PE
                il2Cpp = new PE(il2CppMemory);
                break;

            case 0x464c457f:             //ELF
                if (il2cppBytes[4] == 2) //ELF64
                {
                    il2Cpp = new Elf64(il2CppMemory);
                }
                else
                {
                    il2Cpp = new Elf(il2CppMemory);
                }
                break;

            case 0xCAFEBABE:     //FAT Mach-O
            case 0xBEBAFECA:
                var machofat = new MachoFat(new MemoryStream(il2cppBytes));
                Console.Write("Select Platform: ");
                for (var i = 0; i < machofat.fats.Length; i++)
                {
                    var fat = machofat.fats[i];
                    Console.Write(fat.magic == 0xFEEDFACF ? $"{i + 1}.64bit " : $"{i + 1}.32bit ");
                }
                Console.WriteLine();
                var key   = Console.ReadKey(true);
                var index = int.Parse(key.KeyChar.ToString()) - 1;
                var magic = machofat.fats[index % 2].magic;
                il2cppBytes  = machofat.GetMacho(index % 2);
                il2CppMemory = new MemoryStream(il2cppBytes);
                if (magic == 0xFEEDFACF)
                {
                    goto case 0xFEEDFACF;
                }
                else
                {
                    goto case 0xFEEDFACE;
                }

            case 0xFEEDFACF:     // 64bit Mach-O
                il2Cpp = new Macho64(il2CppMemory);
                break;

            case 0xFEEDFACE:     // 32bit Mach-O
                il2Cpp = new Macho(il2CppMemory);
                break;
            }
            var version = config.ForceIl2CppVersion ? config.ForceVersion : metadata.Version;

            il2Cpp.SetProperties(version, metadata.maxMetadataUsages);
            Console.WriteLine($"Il2Cpp Version: {il2Cpp.Version}");
            if (il2Cpp.Version >= 27 && il2Cpp is ElfBase elf && elf.IsDumped)
            {
                Console.WriteLine("Input global-metadata.dat dump address:");
                metadata.Address = Convert.ToUInt64(Console.ReadLine(), 16);
            }


            Console.WriteLine("Searching...");
            try
            {
                var flag = il2Cpp.PlusSearch(metadata.methodDefs.Count(x => x.methodIndex >= 0), metadata.typeDefs.Length, metadata.imageDefs.Length);
                if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
                {
                    if (!flag && il2Cpp is PE)
                    {
                        Console.WriteLine("Use custom PE loader");
                        il2Cpp = PELoader.Load(il2cppPath);
                        il2Cpp.SetProperties(version, metadata.maxMetadataUsages);
                        flag = il2Cpp.PlusSearch(metadata.methodDefs.Count(x => x.methodIndex >= 0), metadata.typeDefs.Length, metadata.imageDefs.Length);
                    }
                }
                if (!flag)
                {
                    flag = il2Cpp.Search();
                }
                if (!flag)
                {
                    flag = il2Cpp.SymbolSearch();
                }
                if (!flag)
                {
                    Console.WriteLine("ERROR: Can't use auto mode to process file, try manual mode.");
                    Console.Write("Input CodeRegistration: ");
                    var codeRegistration = Convert.ToUInt64(Console.ReadLine(), 16);
                    Console.Write("Input MetadataRegistration: ");
                    var metadataRegistration = Convert.ToUInt64(Console.ReadLine(), 16);
                    il2Cpp.Init(codeRegistration, metadataRegistration);
                    return(true);
                }
            }
            catch (Exception e)
            {
                Console.WriteLine(e);
                Console.WriteLine("ERROR: An error occurred while processing.");
                return(false);
            }
            return(true);
        }
예제 #4
0
        private static void Init(byte[] il2cppBytes, byte[] metadataBytes)
        {
            var sanity = BitConverter.ToUInt32(metadataBytes, 0);

            if (sanity != 0xFAB11BAF)
            {
                throw new Exception("ERROR: Metadata file supplied is not valid metadata file.");
            }
            float fixedMetadataVersion;
            var   metadataVersion = BitConverter.ToInt32(metadataBytes, 4);

            if (metadataVersion == 24)
            {
                Console.WriteLine("Input Unity version (Just enter the first two numbers eg. *.*, ****.*): ");
                var str = Console.ReadLine();
                try
                {
                    var strs         = Array.ConvertAll(str.Split('.'), int.Parse);
                    var unityVersion = new Version(strs[0], strs[1]);
                    if (unityVersion >= Unity20191)
                    {
                        fixedMetadataVersion = 24.2f;
                    }
                    else if (unityVersion >= Unity20183)
                    {
                        fixedMetadataVersion = 24.1f;
                    }
                    else
                    {
                        fixedMetadataVersion = metadataVersion;
                    }
                }
                catch
                {
                    throw new Exception("You must enter the correct Unity version number");
                }
            }
            else
            {
                fixedMetadataVersion = metadataVersion;
            }
            Console.WriteLine("Initializing metadata...");
            metadata = new Metadata(new MemoryStream(metadataBytes), fixedMetadataVersion);
            //判断il2cpp的magic
            var il2cppMagic = BitConverter.ToUInt32(il2cppBytes, 0);
            var isElf       = false;
            var isPE        = false;
            var is64bit     = false;
            var isNSO       = false;

            switch (il2cppMagic)
            {
            default:
                throw new Exception("ERROR: il2cpp file not supported.");

            case 0x304F534E:
                isNSO   = true;
                is64bit = true;
                break;

            case 0x905A4D:     //PE
                isPE = true;
                break;

            case 0x464c457f:             //ELF
                isElf = true;
                if (il2cppBytes[4] == 2) //ELF64
                {
                    is64bit = true;
                }
                break;

            case 0xCAFEBABE:     //FAT Mach-O
            case 0xBEBAFECA:
                var machofat = new MachoFat(new MemoryStream(il2cppBytes));
                Console.Write("Select Platform: ");
                for (var i = 0; i < machofat.fats.Length; i++)
                {
                    var fat = machofat.fats[i];
                    Console.Write(fat.magic == 0xFEEDFACF ? $"{i + 1}.64bit " : $"{i + 1}.32bit ");
                }
                Console.WriteLine();
                var key   = Console.ReadKey(true);
                var index = int.Parse(key.KeyChar.ToString()) - 1;
                var magic = machofat.fats[index % 2].magic;
                il2cppBytes = machofat.GetMacho(index % 2);
                if (magic == 0xFEEDFACF)
                {
                    goto case 0xFEEDFACF;
                }
                else
                {
                    goto case 0xFEEDFACE;
                }

            case 0xFEEDFACF:     // 64bit Mach-O
                is64bit = true;
                break;

            case 0xFEEDFACE:     // 32bit Mach-O
                break;
            }

            Console.WriteLine("Select Mode: 1.Manual 2.Auto 3.Auto(Plus) 4.Auto(Symbol)");
            var modeKey = Console.ReadKey(true);
            var version = config.ForceIl2CppVersion ? config.ForceVersion : metadata.version;

            Console.WriteLine("Initializing il2cpp file...");
            if (isNSO)
            {
                var nso = new NSO(new MemoryStream(il2cppBytes), version, metadata.maxMetadataUsages);
                il2cpp = nso.UnCompress();
            }
            else if (isPE)
            {
                il2cpp = new PE(new MemoryStream(il2cppBytes), version, metadata.maxMetadataUsages);
            }
            else if (isElf)
            {
                if (is64bit)
                {
                    il2cpp = new Elf64(new MemoryStream(il2cppBytes), version, metadata.maxMetadataUsages);
                }
                else
                {
                    il2cpp = new Elf(new MemoryStream(il2cppBytes), version, metadata.maxMetadataUsages);
                }
            }
            else if (is64bit)
            {
                il2cpp = new Macho64(new MemoryStream(il2cppBytes), version, metadata.maxMetadataUsages);
            }
            else
            {
                il2cpp = new Macho(new MemoryStream(il2cppBytes), version, metadata.maxMetadataUsages);
            }
            if (modeKey.KeyChar != '1')
            {
                Console.WriteLine("Searching...");
            }
            try
            {
                bool flag;
                switch (modeKey.KeyChar)
                {
                case '1':     //Manual
                    Console.Write("Input CodeRegistration: ");
                    var codeRegistration = Convert.ToUInt64(Console.ReadLine(), 16);
                    Console.Write("Input MetadataRegistration: ");
                    var metadataRegistration = Convert.ToUInt64(Console.ReadLine(), 16);
                    il2cpp.Init(codeRegistration, metadataRegistration);
                    flag = true;
                    break;

                case '2':     //Auto
                    flag = il2cpp.Search();
                    break;

                case '3':     //Auto(Plus)
                    flag = il2cpp.PlusSearch(metadata.methodDefs.Count(x => x.methodIndex >= 0), metadata.typeDefs.Length);
                    break;

                case '4':     //Auto(Symbol)
                    flag = il2cpp.SymbolSearch();
                    break;

                default:
                    return;
                }
                if (!flag)
                {
                    throw new Exception();
                }
            }
            catch
            {
                throw new Exception("ERROR: Can't use this mode to process file, try another mode.");
            }
        }
예제 #5
0
        private static bool Init(string il2cppPath, string metadataPath, string nameTranslationPath, out Metadata metadata, out Il2Cpp il2Cpp)
        {
            Console.WriteLine("Initializing metadata...");
            var metadataBytes = File.ReadAllBytes(metadataPath);

            var stringDecryptionInfo = MetadataDecryption.DecryptMetadata(metadataBytes);

            metadata = new Metadata(new MemoryStream(metadataBytes), stringDecryptionInfo, nameTranslationPath);
            Console.WriteLine($"Metadata Version: {metadata.Version}");

            Console.WriteLine("Initializing il2cpp file...");
            var il2cppBytes  = File.ReadAllBytes(il2cppPath);
            var il2cppMagic  = BitConverter.ToUInt32(il2cppBytes, 0);
            var il2CppMemory = new MemoryStream(il2cppBytes);

            switch (il2cppMagic)
            {
            default:
                throw new NotSupportedException("ERROR: il2cpp file not supported.");

            case 0x6D736100:
                var web = new WebAssembly(il2CppMemory);
                il2Cpp = web.CreateMemory();
                break;

            case 0x304F534E:
                var nso = new NSO(il2CppMemory);
                il2Cpp = nso.UnCompress();
                break;

            case 0x905A4D:     //PE
                il2Cpp = new PE(il2CppMemory);
                break;

            case 0x464c457f:             //ELF
                if (il2cppBytes[4] == 2) //ELF64
                {
                    il2Cpp = new Elf64(il2CppMemory);
                }
                else
                {
                    il2Cpp = new Elf(il2CppMemory);
                }
                break;

            case 0xCAFEBABE:     //FAT Mach-O
            case 0xBEBAFECA:
                var machofat = new MachoFat(new MemoryStream(il2cppBytes));
                Console.Write("Select Platform: ");
                for (var i = 0; i < machofat.fats.Length; i++)
                {
                    var fat = machofat.fats[i];
                    Console.Write(fat.magic == 0xFEEDFACF ? $"{i + 1}.64bit " : $"{i + 1}.32bit ");
                }
                Console.WriteLine();
                var key   = Console.ReadKey(true);
                var index = int.Parse(key.KeyChar.ToString()) - 1;
                var magic = machofat.fats[index % 2].magic;
                il2cppBytes  = machofat.GetMacho(index % 2);
                il2CppMemory = new MemoryStream(il2cppBytes);
                if (magic == 0xFEEDFACF)
                {
                    goto case 0xFEEDFACF;
                }
                else
                {
                    goto case 0xFEEDFACE;
                }

            case 0xFEEDFACF:     // 64bit Mach-O
                il2Cpp = new Macho64(il2CppMemory);
                break;

            case 0xFEEDFACE:     // 32bit Mach-O
                il2Cpp = new Macho(il2CppMemory);
                break;
            }
            var version = config.ForceIl2CppVersion ? config.ForceVersion : metadata.Version;

            il2Cpp.SetProperties(version, metadata.maxMetadataUsages);
            Console.WriteLine($"Il2Cpp Version: {il2Cpp.Version}");
            if (il2Cpp.Version >= 27 && il2Cpp is ElfBase elf && elf.IsDumped)
            {
                Console.WriteLine("Input global-metadata.dat dump address:");
                metadata.Address = Convert.ToUInt64(Console.ReadLine(), 16);
            }


            Console.WriteLine("Searching...");
            try
            {
                //var flag = il2Cpp.PlusSearch(metadata.methodDefs.Count(x => x.methodIndex >= 0), metadata.typeDefs.Length);
                var flag = false;
                if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
                {
                    if (!flag && il2Cpp is PE)
                    {
                        Console.WriteLine("Use custom PE loader");
                        il2Cpp = PELoader.Load(il2cppPath);
                        il2Cpp.SetProperties(version, metadata.maxMetadataUsages);
                        //flag = il2Cpp.PlusSearch(metadata.methodDefs.Count(x => x.methodIndex >= 0), metadata.typeDefs.Length);
                    }
                }

                /*if (!flag)
                 * {
                 *  flag = il2Cpp.Search();
                 * }
                 * if (!flag)
                 * {
                 *  flag = il2Cpp.SymbolSearch();
                 * }*/
                if (true)
                {
                    /*Console.WriteLine("ERROR: Can't use auto mode to process file, try manual mode.");
                     * Console.Write("Input CodeRegistration: ");
                     * var codeRegistration = Convert.ToUInt64(Console.ReadLine(), 16);
                     * Console.Write("Input MetadataRegistration: ");
                     * var metadataRegistration = Convert.ToUInt64(Console.ReadLine(), 16);*/
                    ProcessModuleCollection pms = Process.GetCurrentProcess().Modules;
                    ulong         baseaddr      = 0;
                    ProcessModule targetModule  = null;
                    foreach (ProcessModule pm in pms)
                    {
                        if (pm.ModuleName == "UserAssembly.dll")
                        {
                            baseaddr     = (ulong)pm.BaseAddress;
                            targetModule = pm;
                            break;
                        }
                    }
                    Console.WriteLine("baseadr: 0x" + baseaddr.ToString("x2"));

                    ulong codeRegistration     = 0;
                    ulong metadataRegistration = 0;

                    // custom search
                    // searching .text for the following pattern:
                    // lea r8,  [rip+0x????????]
                    // lea rdx, [rip+0x????????]
                    // lea rcx, [rip+0x????????]
                    // jmp [rip+0x????????]
                    // or...
                    // 4c 8d 05 ?? ?? ?? ??
                    // 48 8d 15 ?? ?? ?? ??
                    // 48 8d 0d ?? ?? ?? ??
                    // e9
                    // 22 bytes long

                    // .text is always the first section
                    var text_start = ((PE)il2Cpp).Sections[0].VirtualAddress + baseaddr;
                    var text_end   = text_start + ((PE)il2Cpp).Sections[0].VirtualSize;

                    // functions are always aligned to 16 bytes
                    const int patternLength = 22;
                    byte[]    d             = new byte[patternLength];
                    for (ulong ptr = text_start; ptr < text_end - patternLength; ptr += 0x10)
                    {
                        Marshal.Copy((IntPtr)ptr, d, 0, patternLength);
                        if (
                            d[0] == 0x4C && d[1] == 0x8D && d[2] == 0x05 &&
                            d[7] == 0x48 && d[8] == 0x8D && d[9] == 0x15 &&
                            d[14] == 0x48 && d[15] == 0x8D && d[16] == 0x0D &&
                            d[21] == 0xE9
                            )
                        {
                            codeRegistration     = ptr + 21 + BitConverter.ToUInt32(d, 14 + 3);
                            metadataRegistration = ptr + 14 + BitConverter.ToUInt32(d, 7 + 3);
                            Console.WriteLine($"Found the offsets! codeRegistration: 0x{(codeRegistration - baseaddr).ToString("X2")}, metadataRegistration: 0x{(metadataRegistration - baseaddr).ToString("X2")}");
                            break;
                        }
                    }

                    if (codeRegistration == 0 && metadataRegistration == 0)
                    {
                        Console.WriteLine("Failed to find CodeRegistration and MetadataRegistration, go yell at Khang");
                        return(false);
                    }

                    il2Cpp.Init(codeRegistration, metadataRegistration);
                    return(true);
                }
            }
            catch (Exception e)
            {
                Console.WriteLine(e);
                Console.WriteLine("ERROR: An error occurred while processing.");
                return(false);
            }
            return(true);
        }
예제 #6
0
        private bool Init(string il2cppPath, string metadataPath, out Metadata metadata, out Il2Cpp il2Cpp)
        {
            string Mach_O = "2";

            Invoke(new Action(delegate()
            {
                if (!use64bitMach_O)
                {
                    Mach_O = "1";
                }
            }));

            this.Log("Read config...");
            if (File.Exists(realPath + "config.json"))
            {
                config = JsonConvert.DeserializeObject <Config>(File.ReadAllText(Application.StartupPath + Path.DirectorySeparatorChar + @"config.json"));
            }
            else
            {
                config = new Config();
                Log("config.json file does not exist. Using defaults", Color.Yellow);
            }

            this.Log("Initializing metadata...");
            var metadataBytes = File.ReadAllBytes(metadataPath);

            metadata = new Metadata(new MemoryStream(metadataBytes));
            this.Log($"Metadata Version: {metadata.Version}");
            this.Log("Initializing il2cpp file...");
            var il2cppBytes  = File.ReadAllBytes(il2cppPath);
            var il2cppMagic  = BitConverter.ToUInt32(il2cppBytes, 0);
            var il2CppMemory = new MemoryStream(il2cppBytes);

            switch (il2cppMagic)
            {
            default:
                throw new NotSupportedException("ERROR: il2cpp file not supported.");

            case 0x6D736100:
                var web = new WebAssembly(il2CppMemory);
                il2Cpp = web.CreateMemory();
                break;

            case 0x304F534E:
                var nso = new NSO(il2CppMemory);
                il2Cpp = nso.UnCompress();
                break;

            case 0x905A4D:     //PE
                il2Cpp = new PE(il2CppMemory);
                break;

            case 0x464c457f:             //ELF
                if (il2cppBytes[4] == 2) //ELF64
                {
                    il2Cpp = new Elf64(il2CppMemory);
                }
                else
                {
                    il2Cpp = new Elf(il2CppMemory);
                }
                break;

            case 0xCAFEBABE:     //FAT Mach-O
            case 0xBEBAFECA:
                var machofat = new MachoFat(new MemoryStream(il2cppBytes));
                for (var i = 0; i < machofat.fats.Length; i++)
                {
                    var fat = machofat.fats[i];
                    //Console.Write(fat.magic == 0xFEEDFACF ? $"{i + 1}.64bit " : $"{i + 1}.32bit ");
                }
                var index = int.Parse(Mach_O) - 1;
                var magic = machofat.fats[index % 2].magic;
                il2cppBytes  = machofat.GetMacho(index % 2);
                il2CppMemory = new MemoryStream(il2cppBytes);
                if (magic == 0xFEEDFACF)
                {
                    goto case 0xFEEDFACF;
                }
                else
                {
                    goto case 0xFEEDFACE;
                }

            case 0xFEEDFACF:     // 64bit Mach-O
                il2Cpp = new Macho64(il2CppMemory);
                break;

            case 0xFEEDFACE:     // 32bit Mach-O
                il2Cpp = new Macho(il2CppMemory);
                break;
            }

            var version = config.ForceIl2CppVersion ? config.ForceVersion : metadata.Version;

            il2Cpp.SetProperties(version, metadata.maxMetadataUsages);
            this.Log($"Il2Cpp Version: {il2Cpp.Version}");
            if (il2Cpp.Version >= 27 && il2Cpp is ElfBase elf && elf.IsDumped)
            {
                FormDump form = new FormDump();
                form.dumpNoteLbl.Text = "Input global-metadata.dat dump address:";
                form.Message          = 0;
                if (form.ShowDialog() == DialogResult.OK)
                {
                    metadata.Address = Convert.ToUInt64(form.ReturnedText, 16);
                    this.Log("Inputted address: " + metadata.Address.ToString("X"));
                }
            }

            this.Log("Searching...");
            try
            {
                var flag = il2Cpp.PlusSearch(metadata.methodDefs.Count(x => x.methodIndex >= 0), metadata.typeDefs.Length, metadata.imageDefs.Length);
                if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
                {
                    if (!flag && il2Cpp is PE)
                    {
                        this.Log("Use custom PE loader");
                        il2Cpp = PELoader.Load(il2cppPath);
                        il2Cpp.SetProperties(version, metadata.maxMetadataUsages);
                        flag = il2Cpp.PlusSearch(metadata.methodDefs.Count(x => x.methodIndex >= 0), metadata.typeDefs.Length, metadata.imageDefs.Length);
                    }
                }
                if (!flag)
                {
                    flag = il2Cpp.Search();
                }
                if (!flag)
                {
                    flag = il2Cpp.SymbolSearch();
                }
                if (!flag)
                {
                    Log("ERROR: Can't use auto mode to process file, input offset pointers to try manual mode.", Color.Yellow);
                    var codeRegistration     = Convert.ToUInt64(CodeRegistrationTxtBox.Text, 16);
                    var metadataRegistration = Convert.ToUInt64(metadataRegistrationTxtBox.Text, 16);
                    il2Cpp.Init(codeRegistration, metadataRegistration);
                    return(true);
                }
            }
            catch (Exception ex)
            {
                Log("An error occurred while processing.", Color.Orange);
                Log(ex.ToString(), Color.Orange);
                return(false);
            }
            return(true);
        }
예제 #7
0
        private static bool Init(byte[] il2cppBytes, byte[] metadataBytes, string stringVersion, int mode, out Metadata metadata, out Il2Cpp il2Cpp, string[] args)
        {
            var sanity = BitConverter.ToUInt32(metadataBytes, 0);

            if (sanity != 0xFAB11BAF)
            {
                throw new Exception("ERROR: Metadata file supplied is not valid metadata file.");
            }
            float fixedMetadataVersion;
            var   metadataVersion = BitConverter.ToInt32(metadataBytes, 4);

            if (metadataVersion == 24)
            {
                if (stringVersion == null)
                {
                    Console.WriteLine("Input Unity version: ");
                    stringVersion = Console.ReadLine();
                }
                try
                {
                    var versionSplit = Array.ConvertAll(Regex.Replace(stringVersion, @"\D", ".").Split(new[] { "." }, StringSplitOptions.RemoveEmptyEntries), int.Parse);
                    var unityVersion = new Version(versionSplit[0], versionSplit[1]);
                    if (unityVersion >= Unity20191)
                    {
                        fixedMetadataVersion = 24.2f;
                    }
                    else if (unityVersion >= Unity20183)
                    {
                        fixedMetadataVersion = 24.1f;
                    }
                    else
                    {
                        fixedMetadataVersion = metadataVersion;
                    }
                }
                catch
                {
                    throw new Exception("You must enter the correct Unity version number");
                }
            }
            else
            {
                fixedMetadataVersion = metadataVersion;
            }
            Console.WriteLine("Initializing metadata...");
#if DEBUG_0
            int sw = 0;
#elif DEBUG_1
            int sw = 1;
#elif DEBUG_2
            int sw = 2;
#elif DEBUG_3
            int sw = 3;
#endif
            switch (sw)
            {
            case 1:
                metadata = new Metadata(new MemoryStream(metadataBytes), fixedMetadataVersion, "lobbylist.php?format=json-signed-unix&version=2&minimal=1", "serverlist/lobbylist.php?format=json-signed-unix&version=2&minimal=1" /*"serverlist?format=json-signed-unix&version=2&minimal=1"/*"serverlist/lobbylist.php"/*"serverlist?format=json-signed-unix&version=2&minimal=1"*/, "global-metadata2.dat");
                break;

            case 2:
                metadata = new Metadata(new MemoryStream(metadataBytes), fixedMetadataVersion,
                                        "https://api.scpslgame.com/",
                                        "https://api.southwoodstudios.com/",
                                        "global-metadata3.dat");
                break;

            case 3:
                metadata = new Metadata(new MemoryStream(metadataBytes), fixedMetadataVersion,
                                        "-----BEGIN PUBLIC KEY-----\r\nMIGbMBAGByqGSM49AgEGBSuBBAAjA4GGAAQAmxZRMP03JfPEP/qt7n34Ryi74CDe\r\nRZy4er5dQynKaQ3vl1F4VRsSGN+jBrZPcX3GB2u0OTXNUA8hcIDRhVb+GgYAcDmY\r\n+7utHYAZBK3APSxGn46p1+IAChsgl9r93bQz7AJVxxWHYKEA78jMVz6qKHlqKc6a\r\nkUswVSYosQGvw/Agzb0=\r\n-----END PUBLIC KEY-----",
                                        "-----BEGIN PUBLIC KEY-----\r\nMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEqCycYK8K5jJlNoQPqIpADxUrWwTR\r\nudWDIbw/VSJzKb7NMeeQfKsvq1Wd8A+7bzx21pVGS3UYrgJfC3bS5rtsMA==\r\n-----END PUBLIC KEY-----",
                                        "global-metadata4.dat");
                break;

            default:
                metadata = new Metadata(new MemoryStream(metadataBytes), fixedMetadataVersion, ".scpslgame.com/", ".southwoodstudios.com/", "global-metadata.dat");
                //metadata = new Metadata(new MemoryStream(metadataBytes), fixedMetadataVersion, "https://test.scpslgame.com/", "https://test.scpslgame.com/", "global-metadata.dat");
                break;
            }
            //判断il2cpp的magic
            var il2cppMagic = BitConverter.ToUInt32(il2cppBytes, 0);
            var isElf       = false;
            var isPE        = false;
            var is64bit     = false;
            var isNSO       = false;
            switch (il2cppMagic)
            {
            default:
                throw new Exception("ERROR: il2cpp file not supported.");

            case 0x304F534E:
                isNSO   = true;
                is64bit = true;
                break;

            case 0x905A4D:     //PE
                isPE = true;
                break;

            case 0x464c457f:             //ELF
                isElf = true;
                if (il2cppBytes[4] == 2) //ELF64
                {
                    is64bit = true;
                }
                break;

            case 0xCAFEBABE:     //FAT Mach-O
            case 0xBEBAFECA:
                var machofat = new MachoFat(new MemoryStream(il2cppBytes));
                Console.Write("Select Platform: ");
                for (var i = 0; i < machofat.fats.Length; i++)
                {
                    var fat = machofat.fats[i];
                    Console.Write(fat.magic == 0xFEEDFACF ? $"{i + 1}.64bit " : $"{i + 1}.32bit ");
                }
                Console.WriteLine();
                var key   = Console.ReadKey(true);
                var index = int.Parse(key.KeyChar.ToString()) - 1;
                var magic = machofat.fats[index % 2].magic;
                il2cppBytes = machofat.GetMacho(index % 2);
                if (magic == 0xFEEDFACF)
                {
                    goto case 0xFEEDFACF;
                }
                else
                {
                    goto case 0xFEEDFACE;
                }

            case 0xFEEDFACF:     // 64bit Mach-O
                is64bit = true;
                break;

            case 0xFEEDFACE:     // 32bit Mach-O
                break;
            }

            var version = config.ForceIl2CppVersion ? config.ForceVersion : metadata.version;
            Console.WriteLine("Initializing il2cpp file...");
            if (isNSO)
            {
                var nso = new NSO(new MemoryStream(il2cppBytes), version, metadata.maxMetadataUsages);
                il2Cpp = nso.UnCompress();
            }
            else if (isPE)
            {
                il2Cpp = new PE(new MemoryStream(il2cppBytes), version, metadata.maxMetadataUsages);
            }
            else if (isElf)
            {
                if (is64bit)
                {
                    il2Cpp = new Elf64(new MemoryStream(il2cppBytes), version, metadata.maxMetadataUsages);
                }
                else
                {
                    il2Cpp = new Elf(new MemoryStream(il2cppBytes), version, metadata.maxMetadataUsages);
                }
            }
            else if (is64bit)
            {
                il2Cpp = new Macho64(new MemoryStream(il2cppBytes), version, metadata.maxMetadataUsages);
            }
            else
            {
                il2Cpp = new Macho(new MemoryStream(il2cppBytes), version, metadata.maxMetadataUsages);
            }

            if (mode == 0)
            {
                Console.WriteLine("Select Mode: 1.Manual 2.Auto 3.Auto(Plus) 4.Auto(Symbol)");
                var modeKey = Console.ReadKey(true);
                mode = int.Parse(modeKey.KeyChar.ToString());
            }
            if (mode != 1)
            {
                Console.WriteLine("Searching...");
            }
            try
            {
                bool flag;
                switch (mode)
                {
                case 1:     //Manual
                    Console.Write("Input CodeRegistration: ");
                    var codeRegistration = Convert.ToUInt64(Console.ReadLine(), 16);
                    Console.Write("Input MetadataRegistration: ");
                    var metadataRegistration = Convert.ToUInt64(Console.ReadLine(), 16);
                    il2Cpp.Init(codeRegistration, metadataRegistration);
                    flag = true;
                    break;

                case 2:     //Auto
                    flag = il2Cpp.Search();
                    break;

                case 3:     //Auto(Plus)
                    flag = il2Cpp.PlusSearch(metadata.methodDefs.Count(x => x.methodIndex >= 0), metadata.typeDefs.Length);
                    break;

                case 4:     //Auto(Symbol)
                    flag = il2Cpp.SymbolSearch();
                    break;

                default:
                    Console.WriteLine("ERROR: You have to choose a mode.");
                    return(false);
                }
                if (!flag)
                {
                    throw new Exception();
                }
            }
            catch
            {
                throw new Exception("ERROR: Can't use this mode to process file, try another mode.");
            }
            return(true);
        }