Authorized retired-machine notes

Hack The Box writeups.

A curated collection of retired Hack The Box machine walkthroughs documenting enumeration, attack paths, privilege escalation, tool usage, and lessons learned from legal lab environments.

22Machines documented
3Difficulty tiers
Linux + WindowsOperating systems
Writeup index

Machines

Filter by difficulty or operating system, then open the writeup directly from the card.

#01Easy

Planning

March 3, 2026

LinuxWeb
#02Easy

Reset

March 4, 2026

LinuxWebNetwork
#03Easy

Data

March 7, 2026

LinuxWebNetwork
#04Medium

Browsed

March 9, 2026

LinuxWebPrivEsc
#05Easy

Editor

March 10, 2026

LinuxWebPrivEsc
#06Easy

Artificial

March 11, 2026

LinuxAIPrivEsc
#07Easy

Down

March 12, 2026

LinuxWebSSRF
#08Easy

Nocturnal

March 13, 2026

LinuxCommand InjectionCVE
#09Easy

Code

March 14, 2026

LinuxWeb
#10Easy

Dog

March 17, 2026

LinuxGit Disclosure
#11Easy

Trick

March 17, 2026

LinuxLFIDNS
#12Medium

Fluffy

March 18, 2026

WindowsActive DirectoryADCS
#13Easy

Postman

March 18, 2026

LinuxRedisCVE
#14Medium

Craft

March 19, 2026

LinuxWebVault
#15Medium

Jeeves

March 19, 2026

WindowsJenkinsPrivEsc
#16Hard

Snoopy

March 20, 2026

LinuxLFIDNS Injection
#17Easy

UnderPass

March 26, 2026

LinuxSNMPdaloRADIUS
#18Easy

Titanic

March 26, 2026

LinuxLFIGitea
#19Easy

Support

March 27, 2026

WindowsActive DirectorySMB
#20Medium

POV

March 28, 2026

WindowsLFIViewState
#21Easy

LinkVortex

March 30, 2026

LinuxGit DisclosureCVE
#22Medium

Administrator

April 18, 2026

WindowsActive DirectoryDCSync
These notes are for educational purposes and only cover retired Hack The Box machines. Please respect platform rules and avoid publishing writeups for active targets.