Next week at DerbyCon 6, Will Schroeder (aka Will Harmjoy, @Harmj0y) & I are presenting on enterprise security, “Attacking EvilCorp: Anatomy of a Corporate Hack.” We call this one the “How You Got Hacked” presentation. The company and events are fictional. The techniques are real. On Saturday, September 24th, 2016, Will & I are speaking …
Category: Microsoft Security
Aug 15 2016
Microsoft LAPS Security & Active Directory LAPS Configuration Recon
Over the years, there have been several methods attempted for managing local Administrator accounts: Scripted password change – Don’t do this. The password is exposed in SYSVOL. Group Policy Preferences. The credentials are exposed in SYSVOL. Password vault/safe product (Thycotic, CyberArk, Lieberman, Quest, Exceedium, etc). Microsoft Local Administrator Password Solution (LAPS). LAPS Overview Microsoft’s …
Aug 13 2016
PowerShell Security: PowerShell Attack Tools, Mitigation, & Detection
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
Black Hat USA 2016 Talk – Beyond the MCSE: Active Directory for the Security Professional
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
DEF CON 24 (2016) Talk – Beyond the MCSE: Red Teaming Active Directory
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
BSides Charm Presentation Posted: PowerShell Security: Defending the Enterprise from the Latest Attack Platform
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)?
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
Sneaky Active Directory Persistence #17: Group Policy
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 …
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