The First Five Minutes
March and April are CCDC season. This is the time of the year when teams of college students get to compete against each other as
Scripting Beacons and Deploying Persistence
One common Cobalt Strike feature request is an API to script the Beacon payload. Doing this right is a big project and it requires some
My Favorite PowerShell Post-Exploitation Tools
PowerShell became a key part of my red team toolkit in 2014. Cobalt Strike 2.1 added PowerShell support to the Beacon payload and this has made
Another Night, Another Actor
Earlier last year, I had a frantic call from a customer. They needed to make a small change to Beacon’s communication pattern and quickly. This
DNS Communication is a Gimmick
I added DNS Communication to Cobalt Strike in June 2013 and refined it further in July 2013. On sales calls and at conferences I get
Cobalt Strike 2.3 – I’ve always wanted runas
Cobalt Strike 2.3 is now available. This release adds a runas command to Beacon. This command allows you to specify a username and password for any
Pass-the-(Golden)-Ticket with WMIC
One of my favorite blog posts from last year was the Adversary Tricks and Treats post from CrowdStrike. They showed how one of the actors
What’s the go-to phishing technique or exploit?
This blog post is inspired by a question sent to a local mailing list. The original poster asks, what’s the go-to phishing technique or exploit
When You Know Your Enemy
TL;DR This is my opinion on Threat Intelligence: Automated Defense using Threat Intelligence feeds is (probably) rebranded anti-virus. Threat Intelligence offers benefit when used to
Cobalt Strike 2.2 – 1995 called, it wants its covert channel back…
Cobalt Strike’s Covert VPN feature now supports ICMP as one of its channels. Covert VPN is Cobalt Strike’s layer-2 pivoting capability. If you’re curious about