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51 lines
1.4 KiB
51 lines
1.4 KiB
#ifndef __OBFUSCATOR_H
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#define __OBFUSCATOR_H
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#include "Windas.h"
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#include "XedWrap.h"
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#include "NativeCode.h"
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#include "Random.h"
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//Jit
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#define DWORD_MOV_INST_LENGTH 10
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#define WORD_MOV_INST_LENGTH 9
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#define BYTE_MOV_INST_LENGTH 7
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BOOL JitEmitRipRelativeMovD(PNATIVE_CODE_BLOCK Block, INT32 RipDelta, PUCHAR Data);
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BOOL JitEmitRipRelativeMovW(PNATIVE_CODE_BLOCK Block, INT32 RipDelta, PUCHAR Data);
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BOOL JitEmitRipRelativeMovB(PNATIVE_CODE_BLOCK Block, INT32 RipDelta, PUCHAR Data);
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PNATIVE_CODE_BLOCK JitEmitPreRipMov(PNATIVE_CODE_LINK Link, INT32 Delta = 0);
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PNATIVE_CODE_BLOCK JitEmitPostRipMov(PNATIVE_CODE_LINK Link, INT32 Delta = 0);
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VOID ObfGenOpaqueBranch(PNATIVE_CODE_BLOCK Block, FLOAT BranchSizePercentage);
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UINT ObfMutateInstructions(PNATIVE_CODE_BLOCK Block, UINT MutateChance, BOOL MutateFirst, BOOL MutateOnlyFirst);
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XED_ICLASS_ENUM ObfGetRandomJccClass();
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PNATIVE_CODE_LINK ObfGenRandomJcc(UINT LabelId, UINT DisplacementSize = 32);
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PNATIVE_CODE_LINK ObfGenJmpToLabel(UINT LabelId, UINT DisplacementSize = 32);
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BOOL ObfCreateOpaqueBranches(PNATIVE_CODE_LINK Start, PNATIVE_CODE_LINK End, PNATIVE_CODE_BLOCK NotTaken, PNATIVE_CODE_BLOCK Taken);
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//Combines the two branches into one block that can easily be patched into the code
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//Resulting block is put into NotTaken
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BOOL ObfCombineOpaqueBranches(PNATIVE_CODE_BLOCK NotTaken, PNATIVE_CODE_BLOCK Taken, UINT JccLabel, UINT JmpLabel);
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#endif |