2025-10-29 20:40:37 +08:00
|
|
|
|
// Copyright 2025 Code Philosophy
|
|
|
|
|
|
//
|
|
|
|
|
|
// Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
|
|
|
|
// of this software and associated documentation files (the "Software"), to deal
|
|
|
|
|
|
// in the Software without restriction, including without limitation the rights
|
|
|
|
|
|
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
|
|
|
|
// copies of the Software, and to permit persons to whom the Software is
|
|
|
|
|
|
// furnished to do so, subject to the following conditions:
|
|
|
|
|
|
//
|
|
|
|
|
|
// The above copyright notice and this permission notice shall be included in all
|
|
|
|
|
|
// copies or substantial portions of the Software.
|
|
|
|
|
|
//
|
|
|
|
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
|
|
|
|
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
|
|
|
|
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
|
|
|
|
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
|
|
|
|
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
|
|
|
|
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
|
|
|
|
// SOFTWARE.
|
|
|
|
|
|
|
2025-06-20 18:58:54 +08:00
|
|
|
|
using dnlib.DotNet.Emit;
|
|
|
|
|
|
using Obfuz.Emit;
|
|
|
|
|
|
using System.Collections.Generic;
|
2025-06-21 11:43:04 +08:00
|
|
|
|
using System.Linq;
|
2025-06-17 20:21:28 +08:00
|
|
|
|
|
|
|
|
|
|
namespace Obfuz.ObfusPasses.ExprObfus.Obfuscators
|
|
|
|
|
|
{
|
|
|
|
|
|
class MostAdvancedObfuscator : AdvancedObfuscator
|
|
|
|
|
|
{
|
2025-06-20 18:58:54 +08:00
|
|
|
|
private readonly BasicObfuscator _basicObfuscator = new BasicObfuscator();
|
|
|
|
|
|
|
|
|
|
|
|
public override bool ObfuscateBasicUnaryOp(Instruction inst, EvalDataType op, EvalDataType ret, List<Instruction> outputInsts, ObfusMethodContext ctx)
|
|
|
|
|
|
{
|
2025-06-21 11:43:04 +08:00
|
|
|
|
if (!base.ObfuscateBasicUnaryOp(inst, op, ret, outputInsts, ctx))
|
|
|
|
|
|
{
|
|
|
|
|
|
return false;
|
|
|
|
|
|
}
|
|
|
|
|
|
if (outputInsts.Last().OpCode.Code != inst.OpCode.Code)
|
2025-06-20 18:58:54 +08:00
|
|
|
|
{
|
|
|
|
|
|
return false;
|
|
|
|
|
|
}
|
|
|
|
|
|
outputInsts.RemoveAt(outputInsts.Count - 1);
|
|
|
|
|
|
return _basicObfuscator.ObfuscateBasicUnaryOp(inst, op, ret, outputInsts, ctx);
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
public override bool ObfuscateBasicBinOp(Instruction inst, EvalDataType op1, EvalDataType op2, EvalDataType ret, List<Instruction> outputInsts, ObfusMethodContext ctx)
|
|
|
|
|
|
{
|
2025-06-21 11:43:04 +08:00
|
|
|
|
if (!base.ObfuscateBasicBinOp(inst, op1, op2, ret, outputInsts, ctx))
|
|
|
|
|
|
{
|
|
|
|
|
|
return false;
|
|
|
|
|
|
}
|
|
|
|
|
|
if (outputInsts.Last().OpCode.Code != inst.OpCode.Code)
|
2025-06-20 18:58:54 +08:00
|
|
|
|
{
|
|
|
|
|
|
return false;
|
|
|
|
|
|
}
|
|
|
|
|
|
outputInsts.RemoveAt(outputInsts.Count - 1);
|
|
|
|
|
|
return _basicObfuscator.ObfuscateBasicBinOp(inst, op1, op2, ret, outputInsts, ctx);
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
public override bool ObfuscateUnaryBitwiseOp(Instruction inst, EvalDataType op, EvalDataType ret, List<Instruction> outputInsts, ObfusMethodContext ctx)
|
|
|
|
|
|
{
|
2025-06-21 11:43:04 +08:00
|
|
|
|
if (!base.ObfuscateUnaryBitwiseOp(inst, op, ret, outputInsts, ctx))
|
|
|
|
|
|
{
|
|
|
|
|
|
return false;
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
if (outputInsts.Last().OpCode.Code != inst.OpCode.Code)
|
2025-06-20 18:58:54 +08:00
|
|
|
|
{
|
|
|
|
|
|
return false;
|
|
|
|
|
|
}
|
|
|
|
|
|
outputInsts.RemoveAt(outputInsts.Count - 1);
|
|
|
|
|
|
return _basicObfuscator.ObfuscateUnaryBitwiseOp(inst, op, ret, outputInsts, ctx);
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
public override bool ObfuscateBinBitwiseOp(Instruction inst, EvalDataType op1, EvalDataType op2, EvalDataType ret, List<Instruction> outputInsts, ObfusMethodContext ctx)
|
|
|
|
|
|
{
|
2025-06-21 11:43:04 +08:00
|
|
|
|
if (!base.ObfuscateBinBitwiseOp(inst, op1, op2, ret, outputInsts, ctx))
|
|
|
|
|
|
{
|
|
|
|
|
|
return false;
|
|
|
|
|
|
}
|
|
|
|
|
|
if (outputInsts.Last().OpCode.Code != inst.OpCode.Code)
|
2025-06-20 18:58:54 +08:00
|
|
|
|
{
|
|
|
|
|
|
return false;
|
|
|
|
|
|
}
|
|
|
|
|
|
outputInsts.RemoveAt(outputInsts.Count - 1);
|
|
|
|
|
|
return _basicObfuscator.ObfuscateBinBitwiseOp(inst, op1, op2, ret, outputInsts, ctx);
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
public override bool ObfuscateBitShiftOp(Instruction inst, EvalDataType op1, EvalDataType op2, EvalDataType ret, List<Instruction> outputInsts, ObfusMethodContext ctx)
|
|
|
|
|
|
{
|
2025-06-22 10:39:31 +08:00
|
|
|
|
if (!base.ObfuscateBitShiftOp(inst, op1, op2, ret, outputInsts, ctx))
|
2025-06-21 11:43:04 +08:00
|
|
|
|
{
|
|
|
|
|
|
return false;
|
|
|
|
|
|
}
|
|
|
|
|
|
if (outputInsts.Last().OpCode.Code != inst.OpCode.Code)
|
2025-06-20 18:58:54 +08:00
|
|
|
|
{
|
|
|
|
|
|
return false;
|
|
|
|
|
|
}
|
|
|
|
|
|
outputInsts.RemoveAt(outputInsts.Count - 1);
|
|
|
|
|
|
return _basicObfuscator.ObfuscateBitShiftOp(inst, op1, op2, ret, outputInsts, ctx);
|
|
|
|
|
|
}
|
2025-06-17 20:21:28 +08:00
|
|
|
|
}
|
|
|
|
|
|
}
|