2017-02-13 17:14:22 +08:00
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using System.Collections.Generic;
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using de4dot.Bea;
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2017-08-08 18:27:21 +08:00
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using de4dot.code.deobfuscators.ConfuserEx.x86;
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2017-02-13 17:14:22 +08:00
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namespace ConfuserDeobfuscator.Engine.Routines.Ex.x86.Instructions
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{
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class X86SUB : X86Instruction
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{
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public X86SUB(Disasm rawInstruction) : base()
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{
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Operands = new IX86Operand[2];
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Operands[0] = GetOperand(rawInstruction.Argument1);
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Operands[1] = GetOperand(rawInstruction.Argument2);
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}
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public override X86OpCode OpCode { get { return X86OpCode.SUB; } }
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public override void Execute(Dictionary<string, int> registers, Stack<int> localStack)
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{
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if (Operands[1] is X86ImmediateOperand)
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registers[((X86RegisterOperand)Operands[0]).Register.ToString()] -=
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((X86ImmediateOperand)Operands[1]).Immediate;
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else
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registers[((X86RegisterOperand)Operands[0]).Register.ToString()] -=
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registers[((X86RegisterOperand)Operands[1]).Register.ToString()];
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}
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}
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}
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