Tosainu

#!/usr/bin/env stack
-- stack --stack-yaml ./stack.yaml runghc --package pwn

-- Ghost in the Shellcode 2013: Shiftd
-- http://shell-storm.org/repo/CTF/GITS-2013/Pwnable/Shiftd-100/

{-# LANGUAGE OverloadedStrings #-}

import           Data.Bits
import qualified Data.ByteString.Char8 as BS

Tosainu

#!/usr/bin/env stack
-- stack --stack-yaml ./stack.yaml runghc --package pwn

-- DEF CON CTF Qualifier 2013: annyong
-- http://shell-storm.org/repo/CTF/Defcon-21-quals/annyong/

{-# LANGUAGE OverloadedStrings #-}

import           Data.Bits
import qualified Data.ByteString.Char8 as BS

Tosainu

use std::io::prelude::*;
use std::io;
use std::net::TcpStream;

fn p_32(v: u32) -> [u8; 4] {
    [
        ((v & 0x000000ff)) as u8,
        ((v & 0x0000ff00) >> 8) as u8,
        ((v & 0x00ff0000) >> 16) as u8,
        ((v & 0xff000000) >> 24) as u8,

Tosainu

#ifndef CSV_H
#define CSV_H

// 簡易的な型付きcsvパーサ
//
// const auto c = csv::parse<各列の型, ...>(入力ストリーム);
// のように呼び出すことで, 読み込んだ結果をtupleの配列として受け取ることができる.

#include <fstream>
#include <locale>

Tosainu

#!/usr/bin/env python2

# ASIS CTF Quals 2017 : Start (89 points)

from pwn import *
import sys

# RAX: 0x0 
# RBX: 0x0 
# RCX: 0x7f0d40ce0360 (<__read_nocancel+7>:	cmp    rax,0xfffffffffffff001)

Tosainu

#!/usr/bin/env python2

# Codegate CTF 2016 : old-school
# https://github.com/ctfs/write-ups-2016/tree/master/codegate-ctf-2016/pwn/old-school

from pwn import *
import sys

# $ ./oldschool
# YOUR INPUT :AAAA%p.%p.%p.%p.%p.%p.%p.%p.%p

Tosainu

#!/usr/bin/env python2

# Insomni'hack Teaser 2017 : baby-50
# https://github.com/ctfs/write-ups-2017/tree/master/insomnihack-teaser-2017/pwn/baby-50

from pwn import *
import sys

# Your format > AAAAAAAA.%9$p
# AAAAAAAA.0x4141414141414141

Tosainu

FROM debian:jessie

ENV DEBIAN_FRONTEND noninteractive
RUN \
  apt-get update && \
  apt-get install -y libc6-i386 socat && \
  apt-get clean && \
  rm -rf /var/cache/apt/archives/* /var/lib/apt/lists/*

CMD ["/bin/bash"]

Tosainu

#!/usr/bin/env python2

# DEF CON CTF Qualifier 2016 : feedme
# https://github.com/ctfs/write-ups-2016/tree/master/def-con-ctf-qualifiers-2016/pwn/feedme

from pwn import *

# [0x08049036]> pdf
# / (fcn) fcn.08049036 122
# |   fcn.08049036 ();

Tosainu

#!/usr/bin/env python2

# 31C3 CTF : cfy
# https://github.com/ctfs/write-ups-2014/tree/master/31c3-ctf-2014/pwn/cfy

from pwn import *

# 0x00400891      488b05300820.  mov rax, qword [obj.stdin]
# 0x00400898      4889c2         mov rdx, rax
# 0x0040089b      be00040000     mov esi, 0x400