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 …
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 …
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 …
Feb 11 2016
At DerbyCon V (2015), I presented on Active Directory Attack & Defense and part of this included how to detect & defend against PowerShell attacks. Update: I presented at BSides Charm (Baltimore) on PowerShell attack & defense in April 2016. More information on PowerShell Security: PowerShell Security: PowerShell Attack Tools, Mitigation, & Detection The most …
ADSecurity.org Active Directory Security Top Posts: Attack Methods for Gaining Domain Admin Rights in Active Directory Mimikatz Guide and Command Reference Microsoft Local Administrator Password Solution (LAPS) How Attackers Dump Active Directory Database Credentials Active Directory Recon Without Admin Rights The Most Common Active Directory Security Issues and What You Can Do to Fix Them …
Jan 03 2016
I previously posted some information on dumping AD database credentials before in a couple of posts: “How Attackers Pull the Active Directory Database (NTDS.dit) from a Domain Controller” and “Attack Methods for Gaining Domain Admin Rights in Active Directory“. This post covers many different ways that an attacker can dump credentials from Active Directory, both …
Nov 30 2015
At the RSA Conference in Abu Dhabi earlier this month, Stefano Maccaglia (Incident Response Consultant with RSA) presented “Evolving Threats: dissection of a Cyber-Espionage attack.” The slides for this talk are available on the RSA Conference site (UPDATE: RSA removed the slides from their site, Presentation Slides on Yumpu). This post covers and adds some …
Nov 17 2015
Usually Golden Tickets (forged Kerberos TGTs) get all the press, but this post is about Silver Tickets and how attackers use them to exploit systems. I have talked about how Silver Tickets can be used to persist and even re-exploit an Active Directory enterprise in presentations at security conferences this year. This post continues this …
Sep 25 2015
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 5 minutes. I presented on this AD persistence method at DerbyCon (2015). I also presented and posted on DSRM as a persistence method previously. Complete list of Sneaky Active …
Recent Comments