Aug 13 2016
This post is a follow-up of sorts from my earlier posts on PowerShell, my PowerShell presentation at BSides Baltimore, and my presentation at DEF CON 24. Hopefully this post provides current information on PowerShell usage for both Blue and Red teams. Related posts: BSides Charm Presentation Posted: PowerShell Security: Defending the Enterprise from the Latest …
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 …
Jul 06 2016
This August at DEF CON 24, I will be speaking about Active Directory security evaluation in my talk “Beyond the MCSE: Red Teaming Active Directory”. This talk is focused on the Red side of AD security, specifically how to best evaluate the security of AD and quickly identify potential security issues. Whether you perform “Red …
Apr 24 2016
This was my second year speaking at BSides Charm in Baltimore. Last year I spoke about Active Directory attack & defense and it was my first time speaking at a conference. 🙂 The presentation slides for my talk “PowerShell Security: Defending the Enterprise from the Latest Attack Platform” are now on the Presentations tab here …
Apr 13 2016
What Should I Do About BadLock (CVE-2016-2118 & CVE-2016-0128/MS16-047)? The simple answer: Patch soon. Despite the hype, which led many to assume a Remote Code Execution (RCE) was involved, this issue requires a Man-int-the-Middle (MITM) attack in order to be successful. With that noted, it is still a serious issue that requires patching. Overview Badlock …
Mar 14 2016
The content in this post describes a method through which an attacker could persist administrative access to Active Directory after having Domain Admin level rights for about 5 minutes. Complete list of Sneaky Active Directory Persistence Tricks posts This post explores how an attacker could leverage the built-in Active Directory management capability called Group Policy …
Mar 09 2016
The content in this post describes a method by which an attacker could persist administrative access to Active Directory after having Domain Admin level rights for about 5 minutes. All posts in my Sneaky Active Directory Persistence Tricks series This post explores how an attacker could leverage computer account credentials to persist in an enterprise …
Mar 02 2016
ADSecurity.org’s Unofficial Guide to Mimikatz & Command Reference page is updated for the new modules/features in Mimikatz v2.1 alpha 20160229. According to Mimikatz author, Benjamin Delpy, the following updates are included in the most recent Mimikatz version(s): Mimikatz Release Date: 2/29/2016 2.1 alpha 20160229 (oe.eo) edition System Environment Variables & other stuff [new] System Environment …
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