Node.js Archives - nPm Hacks

Offsec Proving Grounds Walkthrough – Interface

By nPm January 11, 2026Ethical Hacking, Hacking, Linux, Networking, Node.js, Offsec, Python, Security, Tutorial, Walkthrough

This was a good one! This is a walkthrough of OffSec Proving Grounds machine "Interface". I haven't seen any walkthroughs of this machine out there. In this video we use hydra to brute force a node.js web application after using the browser's developer tools to discover API endpoints (user list).…

Offsec Proving Grounds Walkthrough – Bitest

By nPm December 5, 2025Ethical Hacking, Hacking, Javascript, Linux, Networking, Node.js, Offsec, Security, Tutorial, Walkthrough

This is a walkthrough of OffSec Proving Grounds machine "Bitest". It is rated as Intermediate but it was quite difficult and I had to get creative. We start by exploiting rsync and move on to a program called Vitest. Using a very recent exploit poc (2025) we are finally able…