SSL certificate verification failure
UPDATE: This has now been fixed. I’ve amended this post to reflect that. If you ran the Cobalt Strike update program today, you may have
Simple DNS Redirectors for Cobalt Strike
This post, from Ernesto Alvarez Capandeguy of Core Security’s CoreLabs Research Team, describes techniques used for creating UDP redirectors for protecting Cobalt Strike team servers.
Cobalt Strike 4.3 – Command and CONTROL
Cobalt Strike 4.3 is now available. The bulk of the release involves updates to DNS processing but there are some other, smaller changes in there
Cobalt Strike 4.2 – Everything but the kitchen sink
Cobalt Strike 4.2 is now available. This release overhauls our user exploitation features, adds more memory flexibility options to Beacon, adds more behavior flexibility to
Beacon Object File ADVENTURES: Some Zerologon, SMBGhost, and Situational Awareness
Cobalt Strike can use PowerShell, .NET, and Reflective DLLs for its post-exploitation features. This is the weaponization problem set. How to take things, developed outside
Cobalt Strike 4.1 – The Mark of Injection
Cobalt Strike 4.1 is now available. This release introduces a new way to build post-ex tools that work with Beacon, pushes back on a generic
SSL certificate verification for failed
TL;DR a certificate for part of the Cobalt Strike update infrastructure changed. Download the 20200511 distribution package to avoid certificate verification errors. If you recently
Cobalt Strike 4.0 – Bring Your Own Weaponization
Cobalt Strike 4.0 is now available. This release improves Cobalt Strike’s distributed operations model, revises post-exploitation workflows to drop some historical baggage, and adds “Bring
Cobalt Strike’s Process Injection: The Details
Cobalt Strike 3.14 finally delivered some of the process injection flexibility I’ve long wanted to see in the product. In this post, I’d like to
Cobalt Strike 3.14 – Post-Ex Omakase Shimasu
Cobalt Strike 3.14 is now available. This release benefits the OPSEC of Beacon’s post-exploitation jobs. To take a screenshot, log keystrokes, dump credentials, or scan