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
Out Of Band Update: Cobalt Strike 4.6.1
Cobalt Strike 4.6.1 is now available. This is an out of band update to fix a few issues that were discovered in the 4.6 release
Out Of Band Update: Cobalt Strike 4.7.1
Cobalt Strike 4.7.1 is now available. This is an out of band update to fix an issue discovered in the 4.7 release that was reported
Out Of Band Update: Cobalt Strike 4.7.2
Cobalt Strike 4.7.2 is now available. This is an out of band update to fix a remote code execution vulnerability that is rooted in Java
Out of Band Update: Cobalt Strike 4.9.1
Cobalt Strike 4.9.1 is now available. This is an out of band update to fix an issue that was discovered in the 4.9 release that
PowerShell Shellcode Injection on Win 10 (v1803)
Cobalt Strike’s process to inject shellcode, via PowerShell, does not work with the latest Windows 10 update (v1803). While it’s possible to work without this
Revisiting the UDRL Part 3: Beacon User Data
The UDRL and the Sleepmask are key components of Cobalt Strike’s evasion strategy, yet historically they have not worked well together. For example, prior to
Revisiting the User-Defined Reflective Loader Part 1: Simplifying Development
This blog post accompanies a new addition to the Arsenal Kit – The User-Defined Reflective Loader Visual Studio (UDRL-VS). Over the past few months, we
Revisiting the User-Defined Reflective Loader Part 2: Obfuscation and Masking
This is the second installment in a series revisiting the User-Defined Reflective Loader (UDRL). In part one, we aimed to simplify the development and debugging
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