mirror of
https://github.com/yuzu-emu/unicorn
synced 2024-11-24 12:18:07 +00:00
78 lines
2.4 KiB
Python
Executable file
78 lines
2.4 KiB
Python
Executable file
#!/usr/bin/python
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# By Mariano Graziano
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from unicorn import *
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from unicorn.x86_const import *
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import regress, struct
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class Emulator:
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def __init__(self, code, stack):
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self.mask = 0xFFFFFFFFFFFFF000
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self.unicorn_code = code
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self.unicorn_stack = stack
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self.mu = Uc(UC_ARCH_X86, UC_MODE_64)
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size = 1 * 4096
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self.mu.mem_map(code & self.mask, size)
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size = 1 * 4096
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self.mu.mem_map(stack & self.mask, size)
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self.set_hooks()
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def set_hooks(self):
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self.mu.hook_add(UC_HOOK_MEM_WRITE, self.hook_mem_access)
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self.mu.hook_add(UC_HOOK_MEM_READ_UNMAPPED | UC_HOOK_MEM_WRITE_UNMAPPED, self.hook_mem_invalid)
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self.mu.hook_add(UC_HOOK_MEM_FETCH_UNMAPPED, self.hook_mem_fetch_unmapped)
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def hook_mem_fetch_unmapped(self, uc, access, address, size, value, user_data):
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next_ip = self.unicorn_code + size
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self.mu.reg_write(UC_X86_REG_RIP, next_ip)
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self.mu.mem_write(next_ip, "\x90")
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self.mu.reg_write(UC_X86_REG_RIP, address)
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return True
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def hook_mem_invalid(self, uc, access, address, size, value, user_data):
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return True
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def hook_mem_access(self, uc, access, address, size, value, user_data):
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return True
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def emu(self, size):
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ip = self.mu.reg_read(UC_X86_REG_RIP)
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try:
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self.mu.emu_start(ip, ip + size, timeout=10000, count=1)
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except UcError as e:
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print("Error %s" % e)
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def write_data(self, address, content):
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self.mu.mem_write(address, content)
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class Init(regress.RegressTest):
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def init_unicorn(self, ip, sp, counter):
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#print "[+] Emulating IP: %x SP: %x - Counter: %x" % (ip, sp, counter)
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E = Emulator(ip, sp)
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E.write_data(ip, "\x90")
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E.write_data(sp, self.generate_value(counter))
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E.mu.reg_write(UC_X86_REG_RSP, sp)
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E.mu.reg_write(UC_X86_REG_RIP, ip)
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E.emu(1)
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def generate_value(self, counter):
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start = 0xffff880026f02000
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offset = counter * 8
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address = start + offset
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return struct.pack("<Q", address)
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def runTest(self):
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global mu
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ips = list(range(0xffffffff816a9000, 0xffffffff816af000, 0x1))
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sps = list(range(0xffff88001b800000, 0xffff88001b801000, 0x1))
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j = 0
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for i in ips:
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j += 1
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index = ips.index(i)
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self.init_unicorn(i, sps[index], j)
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if __name__ == '__main__':
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regress.main()
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