43 lines
1.3 KiB
C#
43 lines
1.3 KiB
C#
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using dnlib.DotNet;
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using dnlib.DotNet.Emit;
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using Obfuscator.Helper;
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namespace Obfuscator.Obfuscator.Proxy;
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internal class ProxyString
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{
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public static void Execute(ModuleDef module)
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{
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foreach (TypeDef type in module.GetTypes())
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{
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if (type.IsGlobalModuleType)
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{
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continue;
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}
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foreach (MethodDef method in type.Methods)
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{
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if (!method.HasBody)
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{
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continue;
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}
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foreach (Instruction instruction in method.Body.Instructions)
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{
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if (instruction.OpCode == OpCodes.Ldstr)
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{
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MethodImplAttributes implFlags = MethodImplAttributes.IL;
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MethodAttributes flags = MethodAttributes.Public | MethodAttributes.Static | MethodAttributes.HideBySig;
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MethodDefUser methodDefUser = new MethodDefUser(Methods.GenerateString(), MethodSig.CreateStatic(module.CorLibTypes.String), implFlags, flags);
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module.GlobalType.Methods.Add(methodDefUser);
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methodDefUser.Body = new CilBody();
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methodDefUser.Body.Variables.Add(new Local(module.CorLibTypes.String));
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methodDefUser.Body.Instructions.Add(Instruction.Create(OpCodes.Ldstr, instruction.Operand.ToString()));
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methodDefUser.Body.Instructions.Add(Instruction.Create(OpCodes.Ret));
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instruction.OpCode = OpCodes.Call;
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instruction.Operand = methodDefUser;
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}
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}
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}
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}
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}
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}
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