mirror of
https://github.com/cea-sec/miasm
synced 2026-06-21 13:48:18 +00:00
76 lines
2.3 KiB
Python
Executable File
76 lines
2.3 KiB
Python
Executable File
#! /usr/bin/env python2
|
|
#-*- coding:utf-8 -*-
|
|
from argparse import ArgumentParser
|
|
from miasm2.analysis import debugging
|
|
from miasm2.jitter.csts import *
|
|
from miasm2.analysis.machine import Machine
|
|
|
|
from pdb import pm
|
|
|
|
parser = ArgumentParser(
|
|
description="""Sandbox raw binary with mips32 engine
|
|
(ex: jit_mips32.py example/mips32_sc_l.bin 0)""")
|
|
parser.add_argument("-r", "--log-regs",
|
|
help="Log registers value for each instruction",
|
|
action="store_true")
|
|
parser.add_argument("-m", "--log-mn",
|
|
help="Log desassembly conversion for each instruction",
|
|
action="store_true")
|
|
parser.add_argument("-n", "--log-newbloc",
|
|
help="Log basic blocks processed by the Jitter",
|
|
action="store_true")
|
|
parser.add_argument("-j", "--jitter",
|
|
help="Jitter engine (default is 'gcc')",
|
|
default="gcc")
|
|
parser.add_argument("-d", "--debugging",
|
|
help="Attach a CLI debugguer to the sandboxed programm",
|
|
action="store_true")
|
|
parser.add_argument("binary",
|
|
help="binary to run")
|
|
parser.add_argument("addr",
|
|
help="start exec on addr")
|
|
|
|
machine = Machine("mips32l")
|
|
|
|
def code_sentinelle(jitter):
|
|
jitter.run = False
|
|
jitter.pc = 0
|
|
return True
|
|
|
|
def jit_mips32_binary(args):
|
|
filepath, entryp = args.binary, int(args.addr, 0)
|
|
myjit = machine.jitter(jit_type = args.jitter)
|
|
myjit.init_stack()
|
|
|
|
# Log level (if available with jitter engine)
|
|
myjit.jit.log_regs = args.log_regs
|
|
myjit.jit.log_mn = args.log_mn
|
|
myjit.jit.log_newbloc = args.log_newbloc
|
|
|
|
myjit.vm.add_memory_page(0, PAGE_READ | PAGE_WRITE, open(filepath).read())
|
|
myjit.add_breakpoint(0x1337BEEF, code_sentinelle)
|
|
|
|
|
|
# for stack
|
|
myjit.vm.add_memory_page(0xF000, PAGE_READ | PAGE_WRITE, "\x00"*0x1000)
|
|
|
|
myjit.cpu.SP = 0xF800
|
|
|
|
myjit.cpu.RA = 0x1337BEEF
|
|
myjit.init_run(entryp)
|
|
|
|
|
|
|
|
# Handle debugging
|
|
if args.debugging is True:
|
|
dbg = debugging.Debugguer(myjit)
|
|
cmd = debugging.DebugCmd(dbg)
|
|
cmd.cmdloop()
|
|
|
|
else:
|
|
print(myjit.continue_run())
|
|
return myjit
|
|
if __name__ == '__main__':
|
|
args = parser.parse_args()
|
|
myjit = jit_mips32_binary(args)
|