unicorn/regress/wrong_rip_arm.py
Nguyen Anh Quynh 344d016104 import
2015-08-21 15:04:50 +08:00

40 lines
864 B
Python
Executable File

#!/usr/bin/python
from unicorn import *
from unicorn.x86_const import *
from unicorn.arm_const import *
# adds r1, #0x48
# ldrsb r7, [r7, r7]
# ldrsh r7, [r2, r1]
# ldr r0, [pc, #0x168]
# cmp r7, #0xbf
# str r7, [r5, #0x20]
# ldr r1, [r5, #0x64]
# strb r7, [r5, #0xc]
# ldr r0, [pc, #0x1a0]
binary1 = b'\x48\x31\xff\x57\x57\x5e\x5a\x48\xbf\x2f\x2f\x62\x69\x6e\x2f\x73\x68\x48\xc1\xef\x08\x57\x54\x5f\x6a\x3b\x58\x0f\x05'
binary1 = b'\x48\x31\xff\x57'
#adds r1, #0x48
#ldrsb r7, [r7, r7]
mu = Uc(UC_ARCH_ARM, UC_MODE_THUMB)
mu.mem_map(0, 2 * 1024 * 1024)
# write machine code to be emulated to memory
mu.mem_write(0, binary1)
mu.reg_write(ARM_REG_R13, 1*1024*1024)
pos = 0
# emu for maximum 1 instruction.
mu.emu_start(pos, len(binary1), 0, 1)
print("R1 = %x" % mu.reg_read(ARM_REG_R1))
pos = mu.reg_read(ARM_REG_R15)
print("RIP = %x" %pos)