2022-03-07 13:50:29 +08:00
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#pragma once
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2022-09-06 00:08:26 +08:00
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2022-03-07 13:50:29 +08:00
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class inlinehook
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{
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private:
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using uchar = unsigned char;
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//ԭʼ<D4AD><CABC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ļ<EFBFBD><C4BB><EFBFBD>ָ<EFBFBD><D6B8>
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uchar m_original_byte[Byte_Length];
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//<2F><><EFBFBD>ǹ<EFBFBD><C7B9><EFBFBD><EFBFBD>Ļ<EFBFBD><C4BB><EFBFBD>ָ<EFBFBD><D6B8>
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uchar m_self_byte[Byte_Length];
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//ԭʼ<D4AD><CABC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ
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int m_original_address;
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//<2F><><EFBFBD>Ǻ<EFBFBD><C7BA><EFBFBD><EFBFBD><EFBFBD>ַ
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int m_self_address;
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DWORD Motify_memory_attributes(int address, DWORD attributes = PAGE_EXECUTE_READWRITE);
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public:
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inlinehook(int original_address, int self_address):m_original_address(original_address), m_self_address(self_address)
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{
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//<2F><><EFBFBD><EFBFBD>jmp
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m_self_byte[0] = '\xe9';
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//<2F><><EFBFBD><EFBFBD>ƫ<EFBFBD><C6AB>
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2023-11-13 14:00:01 +08:00
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int offset = self_address+1 - (original_address + Byte_Length);
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2022-03-07 13:50:29 +08:00
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//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ת<EFBFBD><D7AA><EFBFBD><EFBFBD><EFBFBD>ǵĺ<C7B5><C4BA><EFBFBD>BYTE
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2022-03-08 12:57:35 +08:00
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memcpy(&m_self_byte[1], &offset, Byte_Length - 2);
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2022-03-07 13:50:29 +08:00
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2022-03-08 12:57:35 +08:00
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m_self_byte[5] = '\x90';
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2022-03-07 13:50:29 +08:00
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//<2F><EFBFBD><DEB8>ڴ<EFBFBD><DAB4><EFBFBD><EFBFBD><EFBFBD>
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DWORD attributes = Motify_memory_attributes(original_address);
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//<2F><><EFBFBD><EFBFBD>ԭʼ<D4AD>ĺ<EFBFBD><C4BA><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><D6B7>BYTE
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memcpy(&m_original_byte, reinterpret_cast<void*>(original_address), Byte_Length);
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//<2F>ָ<EFBFBD><D6B8>ڴ<EFBFBD><DAB4><EFBFBD><EFBFBD><EFBFBD>
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Motify_memory_attributes(original_address, attributes);
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}
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//<2F>ĵ<DEB8>ַ
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void Motify_address();
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//<2F><>ԭ<EFBFBD><D4AD>ַ
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void Restore_address();
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};
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