Solving Luanne on HackTheBox. This is an easy 20-point machine involving a simple command injection and some password cracking.
Solving Crossfit, a 50-point Linux machine on HackTheBox which involves a lot of cross-site scripting, a command-injection, and finally some light reversing.
Obscurity is a 30-point Linux machine on HackTheBox that involves exploiting a command injection in a custom webserver, breaking a simple cipher and abusing file system permissions to get root.
Bankrobber is a 50-point machine on hackthebox that involves exploiting a cross site scripting vulnerability to gain access to an admin account, using a command injection to get a user shell and exploiting a simple buffer overflow to become system.
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 this is a technique you probably don't see every day.
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 features extracting files from a disk image, password guessing, blind command injection, openssl reverse shells, msi backdooring & signing of...