Ejemplo n.º 1
0
class ExplorePlugin(SimStatePlugin):
    def __init__(
        self,
        explorer: Optional[ExploreInteractive] = None,
    ):
        super(ExplorePlugin, self).__init__()
        self._explorer = explorer

    def set_state(self, state: SimState) -> None:
        super(ExplorePlugin, self).set_state(state)

    @SimStatePlugin.memo
    def copy(self, memo: Any) -> "ExplorePlugin":
        return ExplorePlugin(self._explorer)

    def __call__(self):
        self._explorer = ExploreInteractive(self.state.project, self.state)
        self._explorer.cmdloop()
        return self._explorer.simgr
Ejemplo n.º 2
0
            'base_addr': 0x555555554000  # To match gdb
        }
    })
argv = claripy.BVS('argv1', 8 * 0x17)
s = p.factory.entry_state(args=[p.filename, argv])

#s.register_plugin("context_view", cv())


class NotVeryRand(angr.SimProcedure):
    def run(self, return_values=None):
        rand_idx = self.state.globals.get('rand_idx', 0) % len(return_values)
        out = return_values[rand_idx]
        self.state.globals['rand_idx'] = rand_idx + 1
        return out


p.hook_symbol('time', NotVeryRand(return_values=[0]))
p.hook_symbol('rand', NotVeryRand(return_values=[0]))

s.watches.add_watch(lambda state: state.solver.eval(argv, cast_to=bytes),
                    "argv[1]")

simgr = p.factory.simgr(s, save_unsat=True)

s.context_view.pprint()
e = ExploreInteractive(p, s)
e.cmdloop()

print("Done! e.simgr has the simgr from your session")