initial commit

2026-08-27 11:21:58 -06:00
commit c21fb61050
336 changed files with 74161 additions and 0 deletions
@@ -0,0 +1,88 @@
+using System;
+using dnlib.DotNet;
+using dnlib.DotNet.Emit;
+using Obfuscator.Helper;
+
+namespace Obfuscator.Obfuscator.Invalid;
+
+internal class InvalidMD
+{
+	public static void Execute(ModuleDef module)
+	{
+		module.Mvid = null;
+		module.Name = Methods.GenerateString();
+		module.Import(new FieldDefUser(Methods.GenerateString()));
+		foreach (TypeDef type in module.Types)
+		{
+			TypeDef typeDef = new TypeDefUser(Methods.GenerateString());
+			typeDef.Methods.Add(new MethodDefUser());
+			typeDef.NestedTypes.Add(new TypeDefUser(Methods.GenerateString()));
+			MethodDef item = new MethodDefUser();
+			typeDef.Methods.Add(item);
+			type.NestedTypes.Add(typeDef);
+			type.Events.Add(new EventDefUser());
+			foreach (MethodDef method in type.Methods)
+			{
+				if (method.Body == null)
+				{
+					continue;
+				}
+				method.Body.SimplifyBranches();
+				if (string.Compare(method.ReturnType.FullName, "System.Void", StringComparison.Ordinal) == 0 && method.HasBody && method.Body.Instructions.Count != 0)
+				{
+					Local local = new Local(module.Import(typeof(int)).ToTypeSig());
+					Local local2 = new Local(module.Import(typeof(bool)).ToTypeSig());
+					method.Body.Variables.Add(local);
+					method.Body.Variables.Add(local2);
+					Instruction operand = method.Body.Instructions[method.Body.Instructions.Count - 1];
+					Instruction item2 = new Instruction(OpCodes.Ret);
+					Instruction instruction = new Instruction(OpCodes.Ldc_I4_1);
+					method.Body.Instructions.Insert(0, new Instruction(OpCodes.Ldc_I4_0));
+					method.Body.Instructions.Insert(1, new Instruction(OpCodes.Stloc, local));
+					method.Body.Instructions.Insert(2, new Instruction(OpCodes.Br, instruction));
+					Instruction instruction2 = new Instruction(OpCodes.Ldloc, local);
+					method.Body.Instructions.Insert(3, instruction2);
+					method.Body.Instructions.Insert(4, new Instruction(OpCodes.Ldc_I4_0));
+					method.Body.Instructions.Insert(5, new Instruction(OpCodes.Ceq));
+					method.Body.Instructions.Insert(6, new Instruction(OpCodes.Ldc_I4_1));
+					method.Body.Instructions.Insert(7, new Instruction(OpCodes.Ceq));
+					method.Body.Instructions.Insert(8, new Instruction(OpCodes.Stloc, local2));
+					method.Body.Instructions.Insert(9, new Instruction(OpCodes.Ldloc, local2));
+					method.Body.Instructions.Insert(10, new Instruction(OpCodes.Brtrue, method.Body.Instructions[10]));
+					method.Body.Instructions.Insert(11, new Instruction(OpCodes.Ret));
+					method.Body.Instructions.Insert(12, new Instruction(OpCodes.Calli));
+					method.Body.Instructions.Insert(13, new Instruction(OpCodes.Sizeof, operand));
+					method.Body.Instructions.Insert(method.Body.Instructions.Count, instruction);
+					method.Body.Instructions.Insert(method.Body.Instructions.Count, new Instruction(OpCodes.Stloc, local2));
+					method.Body.Instructions.Insert(method.Body.Instructions.Count, new Instruction(OpCodes.Br, instruction2));
+					method.Body.Instructions.Insert(method.Body.Instructions.Count, item2);
+					ExceptionHandler item3 = new ExceptionHandler(ExceptionHandlerType.Finally)
+					{
+						HandlerStart = method.Body.Instructions[10],
+						HandlerEnd = method.Body.Instructions[11],
+						TryEnd = method.Body.Instructions[14],
+						TryStart = method.Body.Instructions[12]
+					};
+					if (!method.Body.HasExceptionHandlers)
+					{
+						method.Body.ExceptionHandlers.Add(item3);
+					}
+					method.Body.OptimizeBranches();
+					method.Body.OptimizeMacros();
+				}
+			}
+		}
+		TypeDef typeDef2 = new TypeDefUser(Methods.GenerateString());
+		FieldDef item4 = new FieldDefUser(Methods.GenerateString(), new FieldSig(module.Import(typeof(void)).ToTypeSig()));
+		typeDef2.Fields.Add(item4);
+		typeDef2.BaseType = module.Import(typeof(void));
+		module.Types.Add(typeDef2);
+		TypeDef item5 = new TypeDefUser(Methods.GenerateString())
+		{
+			IsInterface = true,
+			IsSealed = true
+		};
+		module.Types.Add(item5);
+		module.TablesHeaderVersion = (ushort)257;
+	}
+}
@@ -0,0 +1,22 @@
+using System;
+using dnlib.DotNet;
+using dnlib.DotNet.Emit;
+
+namespace Obfuscator.Obfuscator.Invalid;
+
+internal class InvalidOpcodes
+{
+	public static void Execute(ModuleDef module)
+	{
+		foreach (TypeDef type in module.GetTypes())
+		{
+			foreach (MethodDef method in type.Methods)
+			{
+				if (method.HasBody || method.Body.HasInstructions)
+				{
+					method.Body.Instructions.Insert(0, Instruction.Create(OpCodes.Box, method.Module.Import(typeof(Math))));
+				}
+			}
+		}
+	}
+}