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.
Raphael’s Transition
Friday was my last day at HelpSystems. I spent the day on the #Aggressor channel on Slack, put some final touches on a 12 month
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
verify.cobaltstrike.com outage summary
Cobalt Strike’s update process was degraded due to a data center outage that affected https://verify.cobaltstrike.com. The verify server is back up and the functionality of