fptr2.py

# pwntools sploit template для for the fptr2 spbctf pwn challenge


# $ pwn template fptr2
from pwn import *

# Set up pwntools for the correct architecture
exe = context.binary = ELF('fptr2')

# Many built-in settings can be controlled on the command-line and show up
# in "args".  For example, to dump all data sent/received, and disable ASLR
# for all created processes...
# ./exploit.py DEBUG NOASLR


def start(argv=[], *a, **kw):
    '''Start the exploit against the target.'''
    if args.GDB:
        return gdb.debug([exe.path] + argv, gdbscript=gdbscript, *a, **kw)
    if  args.EDB:
        return process(['edb', '--run', exe.path] + argv, *a, **kw)
    else:
        return process([exe.path] + argv, *a, **kw)


# Specify your GDB script here for debugging
# GDB will be launched if the exploit is run via e.g.
# ./exploit.py GDB
gdbscript = '''
tbreak main
continue
'''.format(**locals())

#===========================================================
#                    EXPLOIT GOES HERE
#===========================================================
# Arch:     amd64-64-little
# RELRO:    Partial RELRO
# Stack:    No canary found
# NX:       NX enabled
# PIE:      No PIE (0x400000)

io = start()

pl = 'A' * 8
#pl += p64(

io.send(pl)

io.interactive()