I’ve been using Hashcat since I’ve been pentesting at my previous jobs, but I haven’t had the need to use it for a couple of years now. Recently I had another use case for it but I still don’t need to use nearly as often as I once did. I therefore decided to document some of this to easily look things up in the future. Extracting All Hashes from Active Directory To copy all hashes from Active Directory, you need domain administrator credentials. Once acquired, make a copy like so: ...

GitLab Pages enables users to publish static web content via their repositories' CI/CD pipeline. You can use any static site generator, like Gatsby, Jekyll, Hugo, Middleman, Harp, Hexo, or Brunch. You can also publish any website written directly in plain HTML, CSS, and JavaScript. ℹ️ Pages does not support dynamic server-side processing, for instance, as .php and .asp requires. For more information, see Static vs dynamic websites. As an example, this how-to page will show you how you could publish your own reveal.js slide deck, using Asciidoctor reveal.js (our first use case to start using GitLab Pages). ...

This post briefly describes how to configure an OpenWrt router to function as a WireGuard VPN server. This enables me to have my phone always be securely connected to my home router, from wherever I am. This is what it roughly looks like: First, install the necessary WireGuard kernel module: root # opkg update root # opkg install kmod-wiregard Generate a new private and public key pair for the server, and your first peer (e.g. your phone), and a pre-shared key for added post-quantum secrecy: ...

An AsciiDoc presentation I made to onboard new hires.

A Git presentation I made to onboard new hires.