root@gavin:/home/gavin/angstromCTF2020# checksec ./canary
[*] '/home/gavin/angstromCTF2020/canary'
Arch: amd64-64-little
RELRO: Full RELRO
Stack: Canary found
NX: NX enabled
PIE: No PIE (0x400000)
root@gavin:/home/gavin/angstromCTF2020# python3
Python 3.7.5 (default, Nov 20 2019, 09:21:52)
[GCC 9.2.1 20191008] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> from pwn import *
>>> buf="a"*10
>>> buf+=p64(0xdeadbeef)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
TypeError: can only concatenate str (not "bytes") to str
>>>
zzhwaxy
