Out of Band Update: Cobalt Strike 4.10.1
Cobalt Strike 4.10.1 is now available. This is an out of band update to fix issues that were discovered in Cobalt Strike 4.10 that we
Cobalt Strike Staffing Changes and the Road Ahead
TLDR: Cobalt Strike Staffing Changes Recently there have been some internal changes within the Cobalt Strike team. Greg Darwin has switched to a new position
Simplifying BOF Development: Debug, Test, and Save Your B(e)acon
Beacon Object Files (BOFs) were introduced in Cobalt Strike 4.1 in 2020. Since their release, BOFs have played a key role in post-exploitation activities, surpassing
Joe’s Transition
My career is taking me in a new and exciting direction, and I am stepping down from my role on the Cobalt Strike team. I’ve
Cobalt Strike Training Options
The Cobalt Strike training web page has been updated. https://www.cobaltstrike.com/training/ The training web page lists free courses created by the Cobalt Strike team that provide
Writing Beacon Object Files: Flexible, Stealthy, and Compatible
Our colleagues over at Core Security have been doing great things with Cobalt Strike, making use of it in their own engagements. They wrote up
User Defined Reflective Loader (UDRL) Update in Cobalt Strike 4.5
The User Defined Reflective Loader (UDRL) was first introduced in Cobalt Strike 4.4. to allow the creation and use of a custom reflective loader. This
Sleep Mask Update in Cobalt Strike 4.5
The Sleep Mask Kit was first introduced in Cobalt Strike 4.4 to allow users to modify how the sleep mask function looks in memory in order to defeat static signatures that identified Beacon. This
A Deeper Look Into the Max Retry Strategy Option
A complementary strategy to the Host Rotation Strategy was introduced to Cobalt Strike 4.5. The max retry strategy was added to HTTP, HTTPS, and DNS
Create a proxy DLL with artifact kit
DLL attacks (hijacking, proxying, etc) are a challenge defenders must face. They can be leveraged in a Red Team engagement to help measure these defenses.