public bool Parse(DumpMode mode = DumpMode.AutoPlus, ulong codeRegistration = 0L, ulong metadataRegistration = 0L) { if (il2cpp == null) { return(false); } switch (mode) { case DumpMode.Auto: return(il2cpp.Search()); case DumpMode.AutoAdvanced: return(il2cpp.AdvancedSearch( metadata.methodDefs.Count(x => x.methodIndex >= 0) )); case DumpMode.AutoPlus: return(il2cpp.PlusSearch( metadata.methodDefs.Count(x => x.methodIndex >= 0), metadata.typeDefs.Length )); case DumpMode.AutoSymbol: return(il2cpp.SymbolSearch()); case DumpMode.Manual: il2cpp.Init(codeRegistration, metadataRegistration); return(true); default: return(false); } }
static void Main(string[] args) { config = File.Exists("config.json") ? new JavaScriptSerializer().Deserialize <Config>(File.ReadAllText("config.json")) : new Config(); var ofd = new OpenFileDialog(); ofd.Filter = "Il2Cpp binary file|*.*"; if (ofd.ShowDialog() == DialogResult.OK) { var il2cppfile = File.ReadAllBytes(ofd.FileName); ofd.Filter = "global-metadata|global-metadata.dat"; if (ofd.ShowDialog() == DialogResult.OK) { try { Console.WriteLine("Initializing metadata..."); metadata = new Metadata(new MemoryStream(File.ReadAllBytes(ofd.FileName))); Console.Clear(); //判断il2cpp的magic var il2cppMagic = BitConverter.ToUInt32(il2cppfile, 0); var isElf = false; var isPE = false; var is64bit = false; switch (il2cppMagic) { default: throw new Exception("ERROR: il2cpp file not supported."); case 0x905A4D: //PE isPE = true; break; case 0x464c457f: //ELF isElf = true; if (il2cppfile[4] == 2) { goto case 0xFEEDFACF; //ELF64 } break; case 0xCAFEBABE: //FAT header case 0xBEBAFECA: var machofat = new MachoFat(new MemoryStream(il2cppfile)); 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; il2cppfile = machofat.GetMacho(index % 2); if (magic == 0xFEEDFACF) // 64-bit mach object file { goto case 0xFEEDFACF; } else { goto case 0xFEEDFACE; } case 0xFEEDFACF: // 64-bit mach object file is64bit = true; break; case 0xFEEDFACE: // 32-bit mach object file break; } Console.WriteLine("Select Mode: 1.Manual 2.Auto 3.Auto(Advanced) 4.Auto(Plus) 5.Auto(Symbol)"); var modeKey = Console.ReadKey(true); var version = config.ForceIl2CppVersion ? config.ForceVersion : metadata.version; Console.WriteLine("Initializing il2cpp file..."); if (isPE) { il2cpp = new PE(new MemoryStream(il2cppfile), version, metadata.maxMetadataUsages); } else if (isElf) { if (is64bit) { il2cpp = new Elf64(new MemoryStream(il2cppfile), version, metadata.maxMetadataUsages); } else { il2cpp = new Elf(new MemoryStream(il2cppfile), version, metadata.maxMetadataUsages); } } else if (is64bit) { il2cpp = new Macho64(new MemoryStream(il2cppfile), version, metadata.maxMetadataUsages); } else { il2cpp = new Macho(new MemoryStream(il2cppfile), version, metadata.maxMetadataUsages); } 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(Advanced) flag = il2cpp.AdvancedSearch(metadata.methodDefs.Count(x => x.methodIndex >= 0)); break; case '4': //Auto(Plus) flag = il2cpp.PlusSearch(metadata.methodDefs.Count(x => x.methodIndex >= 0), metadata.typeDefs.Length); break; case '5': //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."); } var writer = new StreamWriter(new FileStream("dump.cs", FileMode.Create), new UTF8Encoding(false)); Console.WriteLine("Dumping..."); //Script var scriptwriter = new StreamWriter(new FileStream("script.py", FileMode.Create), new UTF8Encoding(false)); scriptwriter.WriteLine(Resource1.ida); //dump image; for (var imageIndex = 0; imageIndex < metadata.uiImageCount; imageIndex++) { var imageDef = metadata.imageDefs[imageIndex]; writer.Write($"// Image {imageIndex}: {metadata.GetStringFromIndex(imageDef.nameIndex)} - {imageDef.typeStart}\n"); } //dump type; for (var idx = 0; idx < metadata.uiNumTypes; ++idx) { try { var typeDef = metadata.typeDefs[idx]; var isStruct = false; var isEnum = false; var extends = new List <string>(); if (typeDef.parentIndex >= 0) { var parent = il2cpp.types[typeDef.parentIndex]; var parentName = GetTypeName(parent); if (parentName == "ValueType") { isStruct = true; } else if (parentName == "Enum") { isEnum = true; } else if (parentName != "object") { extends.Add(parentName); } } //implementedInterfaces if (typeDef.interfaces_count > 0) { for (int i = 0; i < typeDef.interfaces_count; i++) { var @interface = il2cpp.types[metadata.interfaceIndices[typeDef.interfacesStart + i]]; extends.Add(GetTypeName(@interface)); } } writer.Write($"\n// Namespace: {metadata.GetStringFromIndex(typeDef.namespaceIndex)}\n"); writer.Write(GetCustomAttribute(typeDef.customAttributeIndex)); if (config.DumpAttribute && (typeDef.flags & TYPE_ATTRIBUTE_SERIALIZABLE) != 0) { writer.Write("[Serializable]\n"); } var visibility = typeDef.flags & TYPE_ATTRIBUTE_VISIBILITY_MASK; switch (visibility) { case TYPE_ATTRIBUTE_PUBLIC: case TYPE_ATTRIBUTE_NESTED_PUBLIC: writer.Write("public "); break; case TYPE_ATTRIBUTE_NOT_PUBLIC: case TYPE_ATTRIBUTE_NESTED_FAM_AND_ASSEM: case TYPE_ATTRIBUTE_NESTED_ASSEMBLY: writer.Write("internal "); break; case TYPE_ATTRIBUTE_NESTED_PRIVATE: writer.Write("private "); break; case TYPE_ATTRIBUTE_NESTED_FAMILY: writer.Write("protected "); break; case TYPE_ATTRIBUTE_NESTED_FAM_OR_ASSEM: writer.Write("protected internal "); break; } if ((typeDef.flags & TYPE_ATTRIBUTE_ABSTRACT) != 0 && (typeDef.flags & TYPE_ATTRIBUTE_SEALED) != 0) { writer.Write("static "); } else if ((typeDef.flags & TYPE_ATTRIBUTE_INTERFACE) == 0 && (typeDef.flags & TYPE_ATTRIBUTE_ABSTRACT) != 0) { writer.Write("abstract "); } else if (!isStruct && !isEnum && (typeDef.flags & TYPE_ATTRIBUTE_SEALED) != 0) { writer.Write("sealed "); } if ((typeDef.flags & TYPE_ATTRIBUTE_INTERFACE) != 0) { writer.Write("interface "); } else if (isStruct) { writer.Write("struct "); } else if (isEnum) { writer.Write("enum "); } else { writer.Write("class "); } var typeName = metadata.GetStringFromIndex(typeDef.nameIndex); writer.Write($"{typeName}"); if (extends.Count > 0) { writer.Write($" : {string.Join(", ", extends)}"); } if (config.DumpTypeDefIndex) { writer.Write($" // TypeDefIndex: {idx}\n{{\n"); } else { writer.Write("\n{\n"); } //dump field if (config.DumpField && typeDef.field_count > 0) { writer.Write("\t// Fields\n"); var fieldEnd = typeDef.fieldStart + typeDef.field_count; for (var i = typeDef.fieldStart; i < fieldEnd; ++i) { //dump_field(i, idx, i - typeDef.fieldStart); var fieldDef = metadata.fieldDefs[i]; var fieldType = il2cpp.types[fieldDef.typeIndex]; var fieldDefault = metadata.GetFieldDefaultValueFromIndex(i); writer.Write(GetCustomAttribute(fieldDef.customAttributeIndex, "\t")); writer.Write("\t"); var access = fieldType.attrs & FIELD_ATTRIBUTE_FIELD_ACCESS_MASK; switch (access) { case FIELD_ATTRIBUTE_PRIVATE: writer.Write("private "); break; case FIELD_ATTRIBUTE_PUBLIC: writer.Write("public "); break; case FIELD_ATTRIBUTE_FAMILY: writer.Write("protected "); break; case FIELD_ATTRIBUTE_ASSEMBLY: case FIELD_ATTRIBUTE_FAM_AND_ASSEM: writer.Write("internal "); break; case FIELD_ATTRIBUTE_FAM_OR_ASSEM: writer.Write("protected internal "); break; } if ((fieldType.attrs & FIELD_ATTRIBUTE_LITERAL) != 0) { writer.Write("const "); } else { if ((fieldType.attrs & FIELD_ATTRIBUTE_STATIC) != 0) { writer.Write("static "); } if ((fieldType.attrs & FIELD_ATTRIBUTE_INIT_ONLY) != 0) { writer.Write("readonly "); } } writer.Write($"{GetTypeName(fieldType)} {metadata.GetStringFromIndex(fieldDef.nameIndex)}"); if (fieldDefault != null && fieldDefault.dataIndex != -1) { var pointer = metadata.GetDefaultValueFromIndex(fieldDefault.dataIndex); if (pointer > 0) { var pTypeToUse = il2cpp.types[fieldDefault.typeIndex]; metadata.Position = pointer; object multi = null; switch (pTypeToUse.type) { case Il2CppTypeEnum.IL2CPP_TYPE_BOOLEAN: multi = metadata.ReadBoolean(); break; case Il2CppTypeEnum.IL2CPP_TYPE_U1: multi = metadata.ReadByte(); break; case Il2CppTypeEnum.IL2CPP_TYPE_I1: multi = metadata.ReadSByte(); break; case Il2CppTypeEnum.IL2CPP_TYPE_CHAR: multi = BitConverter.ToChar(metadata.ReadBytes(2), 0); break; case Il2CppTypeEnum.IL2CPP_TYPE_U2: multi = metadata.ReadUInt16(); break; case Il2CppTypeEnum.IL2CPP_TYPE_I2: multi = metadata.ReadInt16(); break; case Il2CppTypeEnum.IL2CPP_TYPE_U4: multi = metadata.ReadUInt32(); break; case Il2CppTypeEnum.IL2CPP_TYPE_I4: multi = metadata.ReadInt32(); break; case Il2CppTypeEnum.IL2CPP_TYPE_U8: multi = metadata.ReadUInt64(); break; case Il2CppTypeEnum.IL2CPP_TYPE_I8: multi = metadata.ReadInt64(); break; case Il2CppTypeEnum.IL2CPP_TYPE_R4: multi = metadata.ReadSingle(); break; case Il2CppTypeEnum.IL2CPP_TYPE_R8: multi = metadata.ReadDouble(); break; case Il2CppTypeEnum.IL2CPP_TYPE_STRING: var uiLen = metadata.ReadInt32(); multi = Encoding.UTF8.GetString(metadata.ReadBytes(uiLen)); break; } if (multi is string str) { writer.Write($" = \"{ToEscapedString(str)}\""); } else if (multi is char c) { var v = (int)c; writer.Write($" = '\\x{v:x}'"); } else if (multi != null) { writer.Write($" = {multi}"); } } } if (config.DumpFieldOffset) { writer.Write("; // 0x{0:X}\n", il2cpp.GetFieldOffsetFromIndex(idx, i - typeDef.fieldStart, i)); } else { writer.Write(";\n"); } } writer.Write("\n"); } //dump property if (config.DumpProperty && typeDef.property_count > 0) { writer.Write("\t// Properties\n"); var propertyEnd = typeDef.propertyStart + typeDef.property_count; for (var i = typeDef.propertyStart; i < propertyEnd; ++i) { var propertyDef = metadata.propertyDefs[i]; writer.Write(GetCustomAttribute(propertyDef.customAttributeIndex, "\t")); writer.Write("\t"); if (propertyDef.get >= 0) { var methodDef = metadata.methodDefs[typeDef.methodStart + propertyDef.get]; writer.Write(GetModifiers(methodDef)); var propertyType = il2cpp.types[methodDef.returnType]; writer.Write($"{GetTypeName(propertyType)} {metadata.GetStringFromIndex(propertyDef.nameIndex)} {{ "); } else if (propertyDef.set > 0) { var methodDef = metadata.methodDefs[typeDef.methodStart + propertyDef.set]; writer.Write(GetModifiers(methodDef)); var parameterDef = metadata.parameterDefs[methodDef.parameterStart]; var propertyType = il2cpp.types[parameterDef.typeIndex]; writer.Write($"{GetTypeName(propertyType)} {metadata.GetStringFromIndex(propertyDef.nameIndex)} {{ "); } if (propertyDef.get >= 0) { writer.Write("get; "); } if (propertyDef.set >= 0) { writer.Write("set; "); } writer.Write("}"); writer.Write("\n"); } writer.Write("\n"); } //dump method if (config.DumpMethod && typeDef.method_count > 0) { writer.Write("\t// Methods\n"); var methodEnd = typeDef.methodStart + typeDef.method_count; for (var i = typeDef.methodStart; i < methodEnd; ++i) { var methodDef = metadata.methodDefs[i]; writer.Write(GetCustomAttribute(methodDef.customAttributeIndex, "\t")); writer.Write("\t"); writer.Write(GetModifiers(methodDef)); var methodReturnType = il2cpp.types[methodDef.returnType]; var methodName = metadata.GetStringFromIndex(methodDef.nameIndex); writer.Write($"{GetTypeName(methodReturnType)} {methodName}("); var parameterStrs = new List <string>(); for (var j = 0; j < methodDef.parameterCount; ++j) { var parameterStr = ""; var parameterDef = metadata.parameterDefs[methodDef.parameterStart + j]; var parameterName = metadata.GetStringFromIndex(parameterDef.nameIndex); var parameterType = il2cpp.types[parameterDef.typeIndex]; var parameterTypeName = GetTypeName(parameterType); if ((parameterType.attrs & PARAM_ATTRIBUTE_OPTIONAL) != 0) { parameterStr += "optional "; } if ((parameterType.attrs & PARAM_ATTRIBUTE_OUT) != 0) { parameterStr += "out "; } parameterStr += $"{parameterTypeName} {parameterName}"; parameterStrs.Add(parameterStr); } writer.Write(string.Join(", ", parameterStrs)); if (config.DumpMethodOffset) { ulong methodPointer; if (methodDef.methodIndex >= 0) { methodPointer = il2cpp.methodPointers[methodDef.methodIndex]; } else { il2cpp.genericMethoddDictionary.TryGetValue(i, out methodPointer); } if (methodPointer > 0) { writer.Write("); // RVA: 0x{0:X} Offset: 0x{1:X}\n", methodPointer, il2cpp.MapVATR(methodPointer)); //Script - method var name = ToEscapedString(HandleSpecialCharacters(typeName + "$$" + methodName)); scriptwriter.WriteLine($"SetMethod(0x{methodPointer:X}, '{name}')"); } else { writer.Write("); // -1\n"); } } else { writer.Write("); \n"); } } } writer.Write("}\n"); } catch (Exception e) { Console.WriteLine("ERROR: Some errors in dumping"); writer.Write("/*"); writer.Write($"{e.Message}\n{e.StackTrace}\n"); writer.Write("*/\n}\n"); } } //Script - stringLiteral scriptwriter.WriteLine("print('Make method name done')"); scriptwriter.WriteLine("print('Setting String...')"); if (il2cpp.version > 16) { foreach (var i in metadata.stringLiteralsdic) { scriptwriter.WriteLine($"SetString(0x{il2cpp.metadataUsages[i.Key]:X}, r'{ToEscapedString(i.Value)}')"); } } scriptwriter.WriteLine("print('Set string done')"); //Script - MakeFunction if (config.MakeFunction) { var orderedPointers = il2cpp.methodPointers.ToList(); orderedPointers.AddRange(il2cpp.genericMethodPointers.Where(x => x > 0)); orderedPointers.AddRange(il2cpp.invokerPointers); orderedPointers.AddRange(il2cpp.customAttributeGenerators); orderedPointers = orderedPointers.OrderBy(x => x).ToList(); scriptwriter.WriteLine("print('Making function...')"); for (int i = 0; i < orderedPointers.Count - 1; i++) { scriptwriter.WriteLine($"MakeFunction(0x{orderedPointers[i]:X}, 0x{orderedPointers[i + 1]:X})"); } scriptwriter.WriteLine("print('Make function done, please wait for IDA to complete the analysis')"); } scriptwriter.WriteLine("print('Script finish !')"); //writer close writer.Close(); scriptwriter.Close(); Console.WriteLine("Done !"); //DummyDll if (config.DummyDll) { Console.WriteLine("Create DummyDll..."); if (Directory.Exists("DummyDll")) { Directory.Delete("DummyDll", true); } Directory.CreateDirectory("DummyDll"); Directory.SetCurrentDirectory("DummyDll"); File.WriteAllBytes("Il2CppDummyDll.dll", Resource1.Il2CppDummyDll); var dummy = new DummyAssemblyCreator(metadata, il2cpp); foreach (var assembly in dummy.Assemblies) { var stream = new MemoryStream(); assembly.Write(stream); File.WriteAllBytes(assembly.MainModule.Name, stream.ToArray()); } Console.WriteLine("Done !"); } } catch (Exception e) { Console.WriteLine(e); } Console.WriteLine("Press any key to exit..."); Console.ReadKey(true); } } }
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."); } var metadataVersion = (float)BitConverter.ToInt32(metadataBytes, 4); if (metadataVersion == 24) { Console.WriteLine("Is the Unity version greater than or equal to 2018.3?"); Console.WriteLine("1.Yes 2.No"); var key = Console.ReadKey(true); if (key.KeyChar == '1') { metadataVersion = 24.1f; } } Console.WriteLine("Initializing metadata..."); metadata = new Metadata(new MemoryStream(metadataBytes), metadataVersion); //判断il2cpp的magic var il2cppMagic = BitConverter.ToUInt32(il2cppBytes, 0); var isElf = false; var isPE = false; var is64bit = false; switch (il2cppMagic) { default: throw new Exception("ERROR: il2cpp file not supported."); case 0x905A4D: //PE isPE = true; break; case 0x464c457f: //ELF isElf = true; if (il2cppBytes[4] == 2) { goto case 0xFEEDFACF; //ELF64 } break; case 0xCAFEBABE: //FAT header 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) // 64-bit mach object file { goto case 0xFEEDFACF; } else { goto case 0xFEEDFACE; } case 0xFEEDFACF: // 64-bit mach object file is64bit = true; break; case 0xFEEDFACE: // 32-bit mach object file break; } Console.WriteLine("Select Mode: 1.Manual 2.Auto 3.Auto(Advanced) 4.Auto(Plus) 5.Auto(Symbol)"); var modeKey = Console.ReadKey(true); var version = config.ForceIl2CppVersion ? config.ForceVersion : metadata.version; Console.WriteLine("Initializing il2cpp file..."); 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(Advanced) flag = il2cpp.AdvancedSearch(metadata.methodDefs.Count(x => x.methodIndex >= 0)); break; case '4': //Auto(Plus) flag = il2cpp.PlusSearch(metadata.methodDefs.Count(x => x.methodIndex >= 0), metadata.typeDefs.Length); break; case '5': //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."); } }
private static bool 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: "); var 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..."); 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: 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); }