Deceiving the Red Team with GPP

A common tactic used by pen testers, “red teams”, and threat actors is searching for Group Policy Preference (GPP) files with usernames and passwords.  These XML files, stored in the domain SYSVOL, are used to create local administrator accounts, map...

User Enumeration Part 1 – Building Name Lists

A common part of pen tests – both network and web app – is password spraying. In order to do that, you need usernames. But how do you find out what your target’s usernames are? This is the first in a series of posts to discuss user enumeration and...

Lessons Learned in Password Cracking

In many tests, we end up having to do some kind of password cracking, Kerberoasted hashes, hashes dumped from the SAM or ntds.dit, or some other kind of hash. When cracking, especially when we have a bunch of SPNs or we’ve got the ntds.dit, we aren’t...

Breaking into Infosec

tl/dr; There are a lot of ways to get into infosec. I’ll try to outline some of the things that have helped me along the way and provide some resources to help you. We recently had the pleasure of sponsoring BSides Kansas City. Side note: if you haven’t been, you...