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Python tutorial code for unicorn
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#!/usr/bin/python | |
from unicorn import * | |
from unicorn.x86_const import * | |
# code to be emulated | |
X86_CODE32 = b"\x41\x4a" # INC ecx; DEC edx | |
# memory address where emulation starts | |
ADDRESS = 0x1000000 | |
print("Emulate i386 code") | |
try: | |
# Initialize emulator in X86-32bit mode | |
mu = Uc(UC_ARCH_X86, UC_MODE_32) | |
# map 2MB memory for this emulation | |
mu.mem_map(ADDRESS, 2 * 1024 * 1024) | |
# write machine code to be emulated to memory | |
mu.mem_write(ADDRESS, X86_CODE32) | |
# initialize machine registers | |
mu.reg_write(UC_X86_REG_ECX, 0x1234) | |
mu.reg_write(UC_X86_REG_EDX, 0x7890) | |
# emulate code in infinite time & unlimited instructions | |
mu.emu_start(ADDRESS, ADDRESS + len(X86_CODE32)) | |
# now print out some registers | |
print("Emulation done. Below is the CPU context") | |
r_ecx = mu.reg_read(UC_X86_REG_ECX) | |
r_edx = mu.reg_read(UC_X86_REG_EDX) | |
print(">>> ECX = 0x%x" %r_ecx) | |
print(">>> EDX = 0x%x" %r_edx) | |
except UcError as e: | |
print("ERROR: %s" % e) |
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