zydis/Examples/C/SimpleDemo/SimpleDemo.c

195 lines
6.8 KiB
C

/***************************************************************************************************
Zyan Disassembler Engine
Version 1.0
Remarks : Freeware, Copyright must be included
Original Author : Florian Bernd
Modifications : Joel Höner
* 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.
***************************************************************************************************/
#include <ZydisAPI.h>
#include <stdio.h>
#include <stdint.h>
void PrintZydisError()
{
puts("Zydis error: ");
switch (ZydisGetLastError())
{
case ZYDIS_ERROR_SUCCESS:
puts("success");
break;
case ZYDIS_ERROR_UNKNOWN:
puts("unknown error");
break;
case ZYDIS_ERROR_NOT_ENOUGH_MEMORY:
puts("not enough memory");
break;
case ZYDIS_ERROR_INVALID_PARAMETER:
puts("invalid parameter");
break;
}
}
int main()
{
uint8_t data32[] =
{
0x8B, 0xFF, 0x55, 0x8B, 0xEC, 0x6A, 0xFE, 0x68, 0xD8, 0x18, 0x09, 0x77, 0x68, 0x85, 0xD2,
0x09, 0x77, 0x64, 0xA1, 0x00, 0x00, 0x00, 0x00, 0x50, 0x83, 0xEC, 0x14, 0x53, 0x56, 0x57,
0xA1, 0x68, 0xEE, 0x13, 0x77, 0x31, 0x45, 0xF8, 0x33, 0xC5, 0x50, 0x8D, 0x45, 0xF0, 0x64,
0xA3, 0x00, 0x00, 0x00, 0x00, 0x89, 0x65, 0xE8, 0xC7, 0x45, 0xFC, 0x00, 0x00, 0x00, 0x00,
0x8B, 0x5D, 0x08, 0xF6, 0xC3, 0x04, 0x0F, 0x85, 0x57, 0x74, 0x00, 0x00, 0x53, 0x6A, 0x00,
0xFF, 0x35, 0xA0, 0xE3, 0x13, 0x77, 0xFF, 0x15, 0x00, 0x10, 0x14, 0x77, 0x85, 0xC0, 0x0F,
0x84, 0xC6, 0x48, 0x04, 0x00, 0xC7, 0x45, 0x08, 0x00, 0x00, 0x00, 0x00, 0xC7, 0x45, 0xFC,
0xFE, 0xFF, 0xFF, 0xFF, 0x33, 0xC0, 0x8B, 0x4D, 0xF0, 0x64, 0x89, 0x0D, 0x00, 0x00, 0x00,
0x00, 0x59, 0x5F, 0x5E, 0x5B, 0x8B, 0xE5, 0x5D, 0xC2, 0x04, 0x00
};
uint8_t data64[] =
{
0x48, 0x89, 0x5C, 0x24, 0x10, 0x48, 0x89, 0x74, 0x24, 0x18, 0x89, 0x4C, 0x24, 0x08, 0x57,
0x41, 0x54, 0x41, 0x55, 0x41, 0x56, 0x41, 0x57, 0x48, 0x83, 0xEC, 0x40, 0x4C, 0x8B, 0xF2,
0x8B, 0xD9, 0x48, 0xC7, 0x44, 0x24, 0x20, 0x00, 0x00, 0x00, 0x00, 0x33, 0xF6, 0x48, 0x89,
0x74, 0x24, 0x30, 0x45, 0x33, 0xFF, 0xF7, 0xC1, 0x8D, 0xF0, 0xFF, 0xFF, 0x0F, 0x85, 0xAA,
0x53, 0x08, 0x00, 0xF6, 0xC1, 0x40, 0x8B, 0xFE, 0x41, 0xBD, 0x08, 0x00, 0x00, 0x00, 0x41,
0x0F, 0x45, 0xFD, 0xF6, 0xC1, 0x02, 0x48, 0x8B, 0x0D, 0x10, 0xD4, 0x0E, 0x00, 0x0F, 0x85,
0x40, 0xE1, 0x01, 0x00, 0x8B, 0x15, 0x4C, 0xD5, 0x0E, 0x00, 0x81, 0xC2, 0x00, 0x00, 0x14,
0x00, 0x0B, 0xD7, 0x4D, 0x8B, 0xC6, 0xFF, 0x15, 0x3B, 0x2F, 0x10, 0x00, 0x48, 0x8B, 0xD8,
0x48, 0x85, 0xC0, 0x0F, 0x84, 0x93, 0x78, 0x0A, 0x00, 0x48, 0x8B, 0xC3, 0x48, 0x8B, 0x5C,
0x24, 0x78, 0x48, 0x8B, 0xB4, 0x24, 0x80, 0x00, 0x00, 0x00, 0x48, 0x83, 0xC4, 0x40, 0x41,
0x5F, 0x41, 0x5E, 0x41, 0x5D, 0x41, 0x5C, 0x5F, 0xC3
};
ZydisInstructionInfo info;
ZydisInstructionDecoderContext* decoder = NULL;
ZydisInstructionFormatterContext* formatter = NULL;
ZydisInputContext* input32 = NULL;
ZydisInputContext* input64 = NULL;
// Create decoder and formatter instances
decoder = ZydisCreateInstructionDecoder();
if (!decoder)
{
goto FreeZydisDecoder;
}
formatter = ZydisCreateIntelInstructionFormatter();
if (!formatter)
{
goto FreeZydisFormatter;
}
// Create memory data sources
input32 = ZydisCreateMemoryInput(&data32[0], sizeof(data32));
if (!input32)
{
goto FreeZydisInput32;
}
input64 = ZydisCreateMemoryInput(&data64[0], sizeof(data64));
if (!input64)
{
goto FreeZydisInput64;
}
// Set decoder properties
ZydisSetDisassemblerMode(decoder, ZYDIS_DM_M32BIT);
ZydisSetDataSource(decoder, input32);
ZydisSetInstructionPointer(decoder, 0x77091852);
// Decode and format all instructions
puts("32 bit test ...\n\n");
while (ZydisDecodeInstruction(decoder, &info))
{
printf("%08X ", (uint32_t)(info.instrAddress & 0xFFFFFFFF));
if (info.flags & ZYDIS_IF_ERROR_MASK)
{
printf("db %02X\n", info.data[0]);
}
else
{
const char* instructionText;
if (!ZydisFormatInstruction(formatter, &info, &instructionText))
{
goto FreeZydisInput64;
}
printf("%s\n", instructionText);
}
}
// Check if an error occured in ZydisDecodeInstruction or the end of the input was reached.
if (ZydisGetLastError() != ZYDIS_ERROR_SUCCESS)
{
goto FreeZydisInput64;
}
puts("\n");
// Set decoder properties
ZydisSetDisassemblerMode(decoder, ZYDIS_DM_M64BIT);
ZydisSetDataSource(decoder, input64);
ZydisSetInstructionPointer(decoder, 0x00007FFA39A81930ull);
puts("64 bit test ...\n\n");
while (ZydisDecodeInstruction(decoder, &info))
{
printf("%016llX ", info.instrAddress);
if (info.flags & ZYDIS_IF_ERROR_MASK)
{
printf("db %02X", info.data[0]);
}
else
{
const char* instructionText;
if (!ZydisFormatInstruction(formatter, &info, &instructionText))
{
goto FreeZydisInput64;
}
printf("%s\n", instructionText);
}
}
// Check if an error occured in ZydisDecodeInstruction or the end of the input was reached.
if (ZydisGetLastError() != ZYDIS_ERROR_SUCCESS)
{
goto FreeZydisInput64;
}
// Cleanup code
FreeZydisInput64:
ZydisFreeInput(input64);
FreeZydisInput32:
ZydisFreeInput(input32);
FreeZydisFormatter:
ZydisFreeInstructionFormatter(formatter);
FreeZydisDecoder:
ZydisFreeInstructionDecoder(decoder);
if (ZydisGetLastError() != ZYDIS_ERROR_SUCCESS)
{
PrintZydisError();
getchar();
return 1;
}
getchar();
return 0;
}