syndrill

What's in The Jar?

Challenge your friends to a classic game of "What's in the jar"!

Connect with:
nc jh2i.com 50030

The challenge itself doesn't have any source attached, but when you solve the challenge you'll notice there's src/ folder which I have included for simplicity.

syndrill

//
// Utility functions.
//
// Copyright (c) 2016 Samuel Groß
//

// Return the hexadecimal representation of the given byte.
function hex(b) {
    return ('0' + b.toString(16)).substr(-2);
}

syndrill

// Copyright (c) 2018 Samuel Groß

// Return the hexadecimal representation of the given byte.
function hex(b) {
    return ('0' + b.toString(16)).substr(-2);
}

// Return the hexadecimal representation of the given byte array.
function hexlify(bytes) {
    var res = [];

syndrill

#!/usr/bin/env python
from pwn import *
import sys

gdbcmd = 'b *0x004011ca'

# context.terminal = 'kitty @ new-window --new-tab --tab-title pwn --keep-focus sh -c'.split()

if sys.argv.__len__() == 3:
    r = remote(sys.argv[1], int(sys.argv[2]))

syndrill

FROM phusion/baseimage

EXPOSE 5000

ARG binary
ENV binary=${binary}

# update
RUN apt update && apt upgrade -y && apt update --fix-missing
RUN apt install curl python netcat-openbsd vim nano socat lib32ncurses5 -y

syndrill

#!/bin/sh
downpomf="https://a.safe.moe/"
uppomf="https://safe.moe/api/upload"
token="CHANGE_TOKEN"

if test $# -lt 1 ; then
    echo "Usage: `basename $0` FILE [FILE...]"
    exit 1
fi

syndrill

#!/bin/bash
# bash-hexdump
# by Dennis Williamson - 2010-01-04
# in response to http://stackoverflow.com/questions/2003803/show-hexadecimal-numbers-of-a-file
# usage: bash-hexdump file

if [[ -z "$1" ]]
then
    exec 3<&0                           # read stdin
    [[ -p /dev/stdin ]] || tty="yes"    # no pipe

syndrill

Keybase proof

I hereby claim:

• I am zeroload on github.
• I am zeroload (https://keybase.io/zeroload) on keybase.
• I have a public key whose fingerprint is AF3F 8F2E 472B 1394 D7E0 5E21 E34B AEEA 43D2 C747

To claim this, I am signing this object:

syndrill

#!/usr/bin/env python
# -*- coding: UTF-8 -*-

import struct

_DELTA = 0x9E3779B9

def _long2str(v, w):
    n = (len(v) - 1) << 2
    if w: