Mar 21 2019
Service accounts are that gray area between regular user accounts and admin accounts that are often highly privileged. They are almost always over-privileged due to documented vendor requirements or because of operational challenges (“just make it work”). We can discover service accounts by looking for user accounts with Kerberos Service Principal Names (SPNs) which I …
Aug 10 2017
Active Directory has several levels of administration beyond the Domain Admins group. In a previous post, I explored: “Securing Domain Controllers to Improve Active Directory Security” which explores ways to better secure Domain Controllers and by extension, Active Directory. For more information on Active Directory specific rights and permission review my post “Scanning for Active …
Jun 14 2017
Active Directory Recon is the new hotness since attackers, Red Teamers, and penetration testers have realized that control of Active Directory provides power over the organization. I covered ways to enumerate permissions in AD using PowerView (written by Will @harmj0y) during my Black Hat & DEF CON talks in 2016 from both a Blue Team …
Jul 19 2016
This summer in Las Vegas, I’m speaking at Black Hat USA 2016 on Active Directory security, “Beyond the MCSE: Active Directory for the Security Professional.” This talk covers the key AD security components with specific focus on the things security professionals should know. I put this talk together because I have noticed that while Active …
Feb 15 2014
Laura Robinson (Microsoft) has 2 posts which are excellent resources when working on your Active Directory delegation model. These posts focus on the concept of an “Admin-Free Active Directory” meaning that there are no accounts in the powerful AD groups: Enterprise Admins, Domain Admins, Administrators, & Schema Admins. The posts also list all of the …
Recent Comments