unicorn/tests/regress/translator_buffer.py
2016-07-09 10:50:21 +08:00

79 lines
2.4 KiB
Python
Executable File

#!/usr/bin/python
# By Mariano Graziano
from unicorn import *
from unicorn.x86_const import *
import regress, struct
class Emulator:
def __init__(self, code, stack):
self.mask = 0xFFFFFFFFFFFFF000
self.unicorn_code = code
self.unicorn_stack = stack
self.mu = Uc(UC_ARCH_X86, UC_MODE_64)
size = 1 * 4096
self.mu.mem_map(code & self.mask, size)
size = 1 * 4096
self.mu.mem_map(stack & self.mask, size)
self.set_hooks()
def set_hooks(self):
self.mu.hook_add(UC_HOOK_MEM_WRITE, self.hook_mem_access)
self.mu.hook_add(UC_HOOK_MEM_READ_UNMAPPED | UC_HOOK_MEM_WRITE_UNMAPPED, self.hook_mem_invalid)
self.mu.hook_add(UC_HOOK_MEM_FETCH_UNMAPPED, self.hook_mem_fetch_unmapped)
def hook_mem_fetch_unmapped(self, uc, access, address, size, value, user_data):
next_ip = self.unicorn_code + size
self.mu.reg_write(UC_X86_REG_RIP, next_ip)
self.mu.mem_write(next_ip, "\x90")
self.mu.reg_write(UC_X86_REG_RIP, address)
return True
def hook_mem_invalid(self, uc, access, address, size, value, user_data):
return True
def hook_mem_access(self, uc, access, address, size, value, user_data):
return True
def emu(self, size):
ip = self.mu.reg_read(UC_X86_REG_RIP)
try:
self.mu.emu_start(ip, ip + size, timeout=10000, count=1)
except UcError as e:
print("Error %s" % e)
def write_data(self, address, content):
self.mu.mem_write(address, content)
class Init(regress.RegressTest):
def init_unicorn(self, ip, sp, counter):
#print "[+] Emulating IP: %x SP: %x - Counter: %x" % (ip, sp, counter)
E = Emulator(ip, sp)
E.write_data(ip, "\x90")
E.write_data(sp, self.generate_value(counter))
E.mu.reg_write(UC_X86_REG_RSP, sp)
E.mu.reg_write(UC_X86_REG_RIP, ip)
E.emu(1)
def generate_value(self, counter):
start = 0xffff880026f02000
offset = counter * 8
address = start + offset
return struct.pack("<Q", address)
def runTest(self):
global mu
ips = list(range(0xffffffff816a9000, 0xffffffff816af000, 0x1))
sps = list(range(0xffff88001b800000, 0xffff88001b801000, 0x1))
j = 0
for i in ips:
j += 1
index = ips.index(i)
self.init_unicorn(i, sps[index], j)
if __name__ == '__main__':
regress.main()