41 lines
1.1 KiB
C#
41 lines
1.1 KiB
C#
using de4dot.blocks;
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using dnlib.DotNet.Emit;
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namespace de4dot.code.deobfuscators.ConfuserEx
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{
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public class NormalSwitchData : SwitchData
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{
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public readonly Block Block;
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public NormalSwitchData(Block switchBlock) : base(switchBlock)
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{
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Block = switchBlock;
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}
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public int DivisionKey;
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public override bool Initialize()
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{
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var instr = _block.Instructions;
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if (instr.Count != 7)
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return false;
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if (!instr[0].IsLdcI4())
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return false;
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if (instr[1].OpCode != OpCodes.Xor)
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return false;
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if (instr[2].OpCode != OpCodes.Dup)
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return false;
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if (!instr[3].IsStloc())
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return false;
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if (!instr[4].IsLdcI4())
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return false;
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if (instr[5].OpCode != OpCodes.Rem_Un)
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return false;
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Key = instr[0].GetLdcI4Value();
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DivisionKey = instr[4].GetLdcI4Value();
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return true;
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}
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}
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}
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