Created
June 6, 2016 03:32
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| import simuvex, angr | |
| proj = angr.Project("./amadhj") | |
| s = proj.factory.blank_state(addr=0x4026D1) | |
| ans = s.se.BVS("ans",32*8) | |
| s.memory.store(0x1000,ans) | |
| s.regs.rdi = 0x1000 | |
| for i in range(32): | |
| b = ans.get_byte(i) | |
| in_range = s.se.And(b > "@", b < "z") | |
| const = s.se.Or(b == " ", in_range) | |
| s.add_constraints(const) | |
| s.add_constraints(b != "]") | |
| s.add_constraints(b != "\\") | |
| s.add_constraints(b != "^") | |
| s.add_constraints(b != "`") | |
| s.add_constraints(b != "[") | |
| pg = proj.factory.path_group(s) | |
| pg.step(num_inst=10) | |
| ss = pg.active[0].state.copy() | |
| ss.ip = 0x4027F8 | |
| pg = proj.factory.path_group(ss) | |
| angr.path_group.l.setLevel("DEBUG") | |
| pg.explore(find=0x40287F) | |
| pg.found[0].state.se.any_str(ans) |
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