Press "Enter" to skip to content

Tag: defense

Hunting With Active Directory Replication Metadata

With the recent release of BloodHound’s ACL Attack Path Update as well as the work on Active Directory DACL backdooring by @_wald0 and myself (whitepaper here), I started to investigate ACL-based attack paths from a defensive perspective. Sean Metcalf has done some great work concerning Active Directory threat hunting (see his 2017 BSides Charm “Detecting the Elusive: Active Directory Threat Hunting” presentation) and I wanted to show how replication metadata can help in detecting this type of malicious activity. Also, after this post had been drafted, Grégory LUCAND pointed out to me the extensive article (in French) he authored on…

PowerSCCM

I’m taking a quick break from our Empire series to bring you something my ATD teammate Matt Nelson and myself have been working on over the last month or so- a project called PowerSCCM. This is the first primarily defensive-oriented post I’ve published, but fear not, more offensive material is in the hopper ;) Using Microsoft’s System Center Configuration Manager (SCCM) for unintended purposes has been on a people’s radar since Dave Kennedy’s “Owning One To Rule Them All” presentation at Defcon 20. Matt expanded on this type of material in his ShmooCon Firetalk “Red Team Upgrades: Using SCCM for Malware Deployment” and accompanying blog post. I’ve recently…