sobota, 6 czerwca 2026

Hack The Box - Reactor

Reactor is an 'easy' Linux CTF machine from Season 11 at Hack The Box platform. Few days ago I decided to check it. Below you'll find more details about it. Here we go...

This time we'll start here:


 Starting from nmap we will see that there are few open ports - one of them is HTTP at port 3000/tcp:


Got this one rooted after a longer fight — interesting attack chain with a few non-obvious steps along the way.

The full write-up covers:

  • Enumeration approach and what actually mattered
  • Exploitation path — step by step, with working commands
  • Privilege escalation chain
  • Key takeaways for similar machines

Full version available on Patreon → Subscribers get access instantly. First month from $5.

 

Have a nice day!

Cheers

 

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