Beware of Slow Downloads
I often receive emails that ask about slow file downloads with the Beacon payload. Here are the symptoms: When I get these emails, I usually
In-Memory Evasion
Many analysts and automated solutions take advantage of various memory detections to find injected DLLs in memory. Memory detections look at the properties (and content)
Modern Defenses and YOU!
Part 9 of Advanced Threat Tactics covers a lot of my thoughts on evasion. The ideas in that lecture are still relevant, the defenses discussed
Kits, Profiles, and Scripts… Oh my!
If I had to describe Cobalt Strike in one word, I’d say ‘flexible’. There are a lot of options to control Cobalt Strike’s features and
OPSEC Considerations for Beacon Commands
Update January 9, 2020 – This topic is now part of the Cobalt Strike documentation. Head over to the Beacon Command Behavior page for the
High-reputation Redirectors and Domain Fronting
Working on Cobalt Strike, I get some insight into what folks are trying to do with it. Recently, the use of domain fronting for redirectors
Scripting Matt Nelson’s MMC20.Application Lateral Movement Technique
This is a short blog post with a long title. A few weeks ago, Matt Nelson published Lateral Movement Using the MMC20.APPLICATION COM Object (there’s
My First Go with BloodHound
I finally had a chance to sit down and play with BloodHound. This was an item on my hacker todo list for awhile now. In
Agentless Post Exploitation
Agentless Post Exploitation is using system administration capabilities to meet post-exploitation objectives, without an agent on the target. It’s just evil system administration. This talk
What happened to my Kill Date?
Cobalt Strike 3.4 introduced a Kill Date feature. This is a date that Cobalt Strike embeds into each Beacon stage. If a Beacon artifact is