Syndril Cullwyn 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.

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:

	//
	// 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);
	}

	// 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 = [];

	#!/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]))

	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

	#!/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

	#!/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

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

	import struct

	_DELTA = 0x9E3779B9

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