Category: Misc
Points:100
Made by: Fuzzer

Challenge’s Overview Panel

Disclaimer
This is my first writeup for a ctf. You have been warned.

Intro
We are given a url and a port. After first trying to ssh without luck, I tried netcat. Worked. From the challenge’s overview we get this:

To solve this challenge you need to think really fast.

Solving the challenge

So, after connecting we are greeted with this message:


I always wanted to make a trading bot, to trade cryptocurrency while sleeping. After doing a little research I found that Binance’s API was great for doing exactly that. So, in the steps below I will demonstrate how to make a trading bot to trade whatever crypto you like, in whatever pair you like.

So let’s get started.

Getting an API Key from Binance

First things first, you need to go to you Binance Dashboard. From the dropdown menu select, Settings -> API Management

Nikos Titomichelakis

Software Engineer and security enthusiast.

Get the Medium app

A button that says 'Download on the App Store', and if clicked it will lead you to the iOS App store
A button that says 'Get it on, Google Play', and if clicked it will lead you to the Google Play store