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Practical OAuth Abuse for Offensive Operations – Part 1

Background OAuth is an open authorization standard that facilitates unrelated servers and services working together, allowing access to their assets without sharing the initial, related, single logon credential. I have been thinking of it as a kind of Kerberos for external services, without a shared domain or forest. A familiar instance would be authentication to...

Creating Honey Credentials with LSA Secrets

As an attacker, I frequently leverage LSASecrets to escalate privileges within the context of an ongoing compromise. Generally, the attack path is something like this: Gain Initial Foothold > Escalate to Limited User > Dump LSASecrets on Systems Where Credentials are Administrator A pretty slick way to identify targets to dump LSASecrets on is to...

Buying Internal Domain Access Again

So, this post is inspired by some very interesting research done by @mubix that you can read about here, as well as this amazing post by Tim Medin here. After reading Mubix’s post, I was whipped into a frenzy and purchased several domains. I realize that these posts are both several years old, but this idea has...