if __name__ == "__main__":
parser = ArgumentParser(description="x86 64 basic Jitter")
parser.add_argument("filename", help="x86 64 shellcode filename")
parser.add_argument("-j",
"--jitter",
help="Jitter engine (default is 'gcc')",
default="gcc")
parser.add_argument("--verbose",
"-v",
action="store_true",
help="Verbose mode")
args = parser.parse_args()
loc_db = LocationDB()
myjit = Machine("x86_64").jitter(loc_db, args.jitter)
myjit.init_stack()
with open(args.filename, 'rb') as f:
data = f.read()
run_addr = 0x40000000
myjit.vm.add_memory_page(run_addr, PAGE_READ | PAGE_WRITE, data)
if args.verbose:
myjit.set_trace_log()
myjit.push_uint64_t(0x1337beef)
myjit.add_breakpoint(0x1337beef, code_sentinelle)
# Add routine catching syscalls
myjit.add_exception_handler(EXCEPT_SYSCALL, log_syscalls)
myjit.run(run_addr)
def get_str(jit, addr):
data = jit.vm.get_mem(addr, 10)
return data[:data.find(b'\x00')].decode('utf-8')
def exception_int(jitter):
print("SYSCALL {}".format(jitter.cpu.EAX))
jitter.cpu.set_exception(0)
return True
if __name__ == '__main__':
parser = ArgumentParser(description="x86 64 basic Jitter")
parser.add_argument("filename", help="x86 64 shellcode filename")
parser.add_argument("-j",
"--jitter",
help="Jitter engine",
default="python")
args = parser.parse_args()
myjit = Machine("x86_64").jitter(args.jitter)
myjit.init_stack()
data = open(args.filename, 'rb').read()
run_addr = 0x40000000
myjit.vm.add_memory_page(run_addr, PAGE_READ | PAGE_WRITE, data)
#myjit.set_trace_log()
myjit.add_exception_handler(EXCEPT_SYSCALL, exception_int)
myjit.run(run_addr)
return False
if __name__ == '__main__':
parser = ArgumentParser(description="x86 32 basic Jitter")
parser.add_argument("filename", help="x86 32 shellcode filename")
parser.add_argument("-j",
"--jitter",
help="Jitter engine",
default="python")
parser.add_argument("--verbose",
"-v",
action="store_true",
help="Verbose mode")
args = parser.parse_args()
myjit = Machine("x86_32").jitter(args.jitter)
myjit.init_stack()
data = open(args.filename, 'rb').read()
run_addr = 0x40000000
myjit.vm.add_memory_page(run_addr, PAGE_READ | PAGE_WRITE, data)
if args.verbose:
myjit.set_trace_log()
myjit.add_exception_handler(EXCEPT_INT_XX, exception_int)
myjit.add_exception_handler(EXCEPT_PRIV_INSN, priv)
myjit.push_uint32_t(0x1337beef)
myjit.add_exception_handler(EXCEPT_ACCESS_VIOL, code_sentinelle)
myjit.add_breakpoint(0x1337beef, code_sentinelle)
myjit.run(run_addr)