split.md

name	event	category	description	layout
Split (2021)	HackTheBox x Synack RedTeamFive CTF 2021	Rev	Writeup for Split (rev) - HackTheBox x Synack RedTeamFive CTF (2021) 💜	title description tableOfContents outline pagination visible true visible true visible true visible true visible true

Split

Video Walkthrough

Solution

backdoor.py

{% code overflow="wrap" %}

from pwn import *

# Load our binary
exe = 'split'
elf = context.binary = ELF(exe, checksec=False)

# Patch out the call to ptrace ;)
elf.asm(elf.symbols.ptrace, 'ret')

# Save the patched binary
elf.save('patched')

{% endcode %}