mirror of
https://github.com/yuzu-emu/unicorn
synced 2024-11-24 07:48:18 +00:00
69 lines
2.3 KiB
Python
69 lines
2.3 KiB
Python
|
#!/usr/bin/python
|
||
|
|
# By Mariano Graziano
|
||
|
|
|
||
|
|
from unicorn import *
|
||
|
|
from unicorn.x86_const import *
|
||
|
|
|
||
|
|
import regress, struct
|
||
|
|
|
||
|
|
mu = 0
|
||
|
|
|
||
|
|
class Init(regress.RegressTest):
|
||
|
|
|
||
|
|
def init_unicorn(self, ip, sp, counter):
|
||
|
|
global mu
|
||
|
|
print "[+] Emulating IP: %x SP: %x - Counter: %x" % (ip, sp, counter)
|
||
|
|
mu = Uc(UC_ARCH_X86, UC_MODE_64)
|
||
|
|
mu.mem_map(0x1000000, 2 * 1024 * 1024)
|
||
|
|
mu.mem_write(0x1000000, "\x90")
|
||
|
|
mu.mem_map(0x8000000, 8 * 1024 * 1024)
|
||
|
|
mu.reg_write(UC_X86_REG_RSP, sp)
|
||
|
|
content = self.generate_value(counter)
|
||
|
|
mu.mem_write(sp, content)
|
||
|
|
self.set_hooks()
|
||
|
|
|
||
|
|
def generate_value(self, counter):
|
||
|
|
start = 0xffff880026f02000
|
||
|
|
offset = counter * 8
|
||
|
|
address = start + offset
|
||
|
|
return struct.pack("<Q", address)
|
||
|
|
|
||
|
|
def set_hooks(self):
|
||
|
|
global mu
|
||
|
|
mu.hook_add(UC_HOOK_MEM_READ_UNMAPPED | UC_HOOK_MEM_WRITE_UNMAPPED, self.hook_mem_invalid)
|
||
|
|
mu.hook_add(UC_HOOK_MEM_FETCH_UNMAPPED, self.hook_mem_fetch_unmapped)
|
||
|
|
|
||
|
|
def hook_mem_invalid(self, uc, access, address, size, value, user_data):
|
||
|
|
global mu
|
||
|
|
print "[ HOOK_MEM_INVALID - Address: %s ]" % hex(address)
|
||
|
|
if access == UC_MEM_WRITE_UNMAPPED:
|
||
|
|
print ">>> Missing memory is being WRITE at 0x%x, data size = %u, data value = 0x%x" %(address, size, value)
|
||
|
|
address_page = address & 0xFFFFFFFFFFFFF000
|
||
|
|
mu.mem_map(address_page, 2 * 1024 * 1024)
|
||
|
|
mu.mem_write(address, str(value))
|
||
|
|
return True
|
||
|
|
else:
|
||
|
|
return False
|
||
|
|
|
||
|
|
def hook_mem_fetch_unmapped(self, uc, access, address, size, value, user_data):
|
||
|
|
global mu
|
||
|
|
print "[ HOOK_MEM_FETCH - Address: %s ]" % hex(address).strip("L")
|
||
|
|
print "[ mem_fetch_unmapped: faulting address at %s ]" % hex(address).strip("L")
|
||
|
|
mu.mem_write(0x1000003, "\x90")
|
||
|
|
mu.reg_write(UC_X86_REG_RIP, 0x1000001)
|
||
|
|
return True
|
||
|
|
|
||
|
|
def runTest(self):
|
||
|
|
global mu
|
||
|
|
ips = list(xrange(0x1000000, 0x1001000, 0x1))
|
||
|
|
sps = list(xrange(0x8000000, 0x8001000, 0x1))
|
||
|
|
j = 0
|
||
|
|
for i in ips:
|
||
|
|
j += 1
|
||
|
|
index = ips.index(i)
|
||
|
|
self.init_unicorn(i, sps[index], j)
|
||
|
|
mu.emu_start(0x1000000, 0x1000000 + 0x1)
|
||
|
|
|
||
|
|
if __name__ == '__main__':
|
||
|
|
regress.main()
|