What is a stageless payload artifact?
I’ve had a few questions about Cobalt Strike’s stageless payloads and how these compare to other payload varieties. In this blog post, I’ll explain stageless
Raffi’s Abridged Guide to Cobalt Strike
This blog post is a fast overview of Cobalt Strike. I assume that you are familiar with Meterpreter, Mimikatz, and make use of Offensive PowerShell in
Cobalt Strike 3.2 – The Inevitable x64 Beacon
Cobalt Strike 3.2, the third release in the 3.x series, is now available. The 3.2 release focuses on fixes and improvements across the Cobalt Strike
Cobalt Strike 3.1 – Scripting Beacons
Cobalt Strike 3.1 is now available. This release adds a lot of polish to the 3.x codebase and addresses several items from user feedback. Aggressor
Appropriate Covert Channels
As a product vendor, I regularly receive suggestions from my users. It’s easy to break these suggestions up into different categories. One such category would
The Cobalt Strike Trial’s Evil Bit
RFC 3514 proposes an IPv4 flag to allow traffic to flag itself as malicious or not. This RFC’s authors reason that if malicious programs opt
The Aggressor Project (Preview)
If you’ve run into me at a conference during the 2015 calendar year, there’s a strong chance you’ve heard about or saw the Aggressor project.
User-defined Storage-based Covert Communication
One of my favorite Cobalt Strike technologies is Malleable C2. This is a domain specific language for user-defined storage-based covert communication. That’s just a fancy
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
How I tunnel Meterpreter through Beacon
I write so many blog posts about Beacon, I should just give up and call this the Beacon blog. Beacon is Cobalt Strike’s post-exploitation agent