Virtual Machines – nPm Hacks

Offsec Proving Grounds Walkthrough – Mice

By nPm September 18, 2026Ethical Hacking, Hacking, Linux, Networking, Offsec, Python, Security, Tutorial, Virtual Machines, Walkthrough

Walkthrough of the machine called "Mice" in the OffSec Proving Grounds...this is a Windows machine rated as Easy. In this video we take advantage of an exploitable version of remote mouse in multiple ways, once to get a foothold and again to get system administrator access once connected via xrdp.…

Pivoting with Metasploit

By nPm December 13, 2024Hacking, Linux, Metasploit, Networking, Security, Tutorial, Virtual Machines

We again explore pivoting, which is using a compromised machine to get to a previously inaccessible network. This time we use the Metasploit Framework and additionally discuss and demonstrate port forwarding in Metasploit. https://youtu.be/THa41WJg8C0?si=hz1RHIOx7mUJwW5y

Pivoting with Ligolo!

By nPm December 11, 2024Hacking, Linux, Networking, Security, Tutorial, Virtual Machines

Ligolo-ng is a simple, lightweight and fast tool that allows pentesters to establish tunnels from a reverse TCP/TLS connection using a tun interface (without the need of SOCKS). Link to Github repository!

Easy Backups for Concerto Digital Signage

By nPm October 23, 2023Backups, Concerto Digital Signage, Linux, Logs, Systemd, Tutorial, Virtual Machines, Virtualization

If you have read any of my earlier posts you know that I am running the pre built VM of Concerto. You should still backup your instance, otherwise, you may find yourself having to rebuild the whole setup, including all your screens and content, should something go horribly wrong. I…

Maintaining Concerto Digital Signage Step 2 – Cache Management

By nPm October 16, 2023Concerto Digital Signage, Linux, Tutorial, Virtual Machines

In the last post we discussed log rotation to prevent Concerto from filling up the hard drive of the VM which would keep the application from starting. There is an additional step you should take to ensure you don't encounter problems with space down the road, and that is clearing…

Maintaining Concerto Digital Signage Step 1 – Log Management

By nPm October 15, 2023Concerto Digital Signage, Debian, Linux, Logs, Tutorial, Virtual Machines

After I got Concerto running at work, everyone was super happy with it, it was working great and was very reliable. I barely touched it for the first 60 days that it ran. The HR folks made their updates and all was good with the world, until it wasn't. I…

Starting Concerto Digital Signage as a Systemd Service

By nPm October 15, 2023Concerto Digital Signage, Linux, Systemd, Tutorial, Ubuntu, Virtual Machines

Concerto Digital Signage is a great open source program that can easily fit the needs of most small companies for digital signage. It isn't being actively developed any longer on their GitHub page unfortunately, but it's a refined product that works great if setup properly. I recommend using the pre…