Arkham was a surprisingly hard box for the 30 points that were awarded for it, as I was struggling quite a bit, especially for the user part. However in the end i enjoyed the box a lot because it f...

Frolic is a medium difficulty machine on hackthebox.eu, featuring a lot of CTF-ish language conversions, the usage of a public exploit for “playsms” and (simple) custom binary exploit. User Flag ...

Carrier is a nice, medium difficulty machine on hackthebox.eu featuring information retrieval via snmp, command injection and bgp hijacking. The bgp hijacking part was a nice learning experience as...

Ethereal is a machine on hackthebox.eu that awards 50 points, the highest possible score/difficulty and requires some really fun techniques, teaching me several new things along the way. It feature...

This post is based on this article from google project zero. For more details please read their awesome post, I will just give a brief overview. Microsoft (R) Diagnostics Hub Standard Collector Se...

In this short writeup I will show how I completed Access on hackthebox.eu, a quite easy windows box that involves parsing credentials from ms office files, converting mail formats and accessing sav...

This post is a walkthrough of Zipper, an interesting machine on hackthebox.eu featuring the zabbix network monitoring application. It involves the application of known zabbix exploits, manipulation...

In this post I will give a quick walkthrough on Giddy from hackthebox.eu. The machine involves (automated) sql injection, stealing ntlm hashes via sqli and the exploitation of vulnerable service fo...

Ypuffy is a rather unique machine on hackthebox.eu because it features OpenBSD as operating system. In my version of getting root it didn’t matter too much unfortunately because a public kernel exp...

LimeSurvey is a widely used open source application that allows it to create surveys with various features. For this post I will use LimeSurvey Version 2.72.3+171020 which contains a known vulnerab...