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@tesuji
Last active August 13, 2018 04:22
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Python tutorial code for unicorn
#!/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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