Hack The Box (HTB) is more advanced and closely mirrors the standalone machine portion of the OSCP exam.
The real investment required is your time and persistent effort. Use the wealth of free resources available to build your skills and confidence. When you are ready to take the final step, your time in the official PEN-200 labs will be far more productive—and you will have saved a significant amount of money. The only thing standing between you and mastering this material is your willingness to "Try Harder."
: A curated collection of resources covering everything from information gathering and OSINT to network scanning and exploitation techniques. oscp pen200 free
Join the unofficial OSCP Discord servers. Admins frequently spin up free temporary labs for users to practice AD chains (nxc, bloodhound, mimikatz).
For web application testing. LinPeas/WinPeas: Scripts for privilege escalation. 4. Building Your Own "Free" Lab Hack The Box (HTB) is more advanced and
Building a based on your current skill level.
OffSec hosts its own practice platform. The "Play" tier is completely free and grants you 3 hours of daily access to community-contributed VulnHub machines hosted in the cloud. Because these machines are curated by OffSec, they match the "rabbit holes" and enumeration styles found on the actual exam. 3. Mastering the Core OSCP Toolset (For Free) When you are ready to take the final
: This repository contains a consolidated OSCP exam cheat sheet, a structured pentesting checklist, and a progress tracker for Proving Grounds, HackTheBox, and other labs. It covers service enumeration, protocol-specific attacks, web application testing, reverse shells, privilege escalation, and Active Directory techniques.
(Evaluation versions are free for 90 days from Microsoft)
Her "OSCP-like" series walks through vulnerable machines (from VulnHub) step-by-step, explaining why she types each command. It is the closest thing to a free PDF walkthrough.
While some parts require premium access, parts of the conceptual material and similar free network rooms cover pivoting, lateral movement, and domain controller exploitation.