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
Cobalt Strike 4.5: Fork&Run – you’re “history”
Cobalt Strike 4.5 is now available. This release sees new options for process injection, updates to the sleep mask and UDRL kits, evasion improvements and
Cobalt Strike infrastructure changes
We will be making some changes to the Cobalt Strike infrastructure in late November/early December. We are not anticipating any downtime but we wanted to
TeamServer.prop
Following the 4.4 release, you may have noticed a warning message when starting your teamserver: The missing file is optional and its absence does not
Introducing Cobalt Strike Community Kit
What is Community Kit? Cobalt Strike is a post-exploitation framework designed to be extended and customized by the user community. Several excellent tools and scripts
Cobalt Strike 4.4: The One with the Reconnect Button
Cobalt Strike 4.4 is now available. This release puts more control into your hands, improves Cobalt Strike’s evasive qualities and addresses a number of smaller
Cobalt Strike DoS Vulnerability (CVE-2021-36798)
SentinelOne discovered a denial of service (DoS) vulnerability in Cobalt Strike. The bug (aka Hotcobalt) can cause a denial of service on a teamserver by using
There’s a New Deputy in Town
It’s been less than a month since I joined the Cobalt Strike team. My first impressions of this team have been overwhelmingly positive. As Raphael
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.