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
Learn Pipe Fitting for all of your Offense Projects
Named pipes are a method of inter-process communication in Windows. They’re used primarily for local processes to communicate with eachother. They can also facilitate communication
Pushing back on userland hooks with Cobalt Strike
When I think about defense in the current era, I think of it as a game of instrumentation and telemetry. A well-instrumented endpoint provides a
Agent Deployed: Core Impact and Cobalt Strike Interoperability
Core Impact 20.3 has shipped this week. With this release, we’re revealing patterns for interoperability between Core Impact and Cobalt Strike. In this post, I’ll
A Red Teamer Plays with JARM
I spent a little time looking into Saleforce’s JARM tool released in November. JARM is an active tool to probe the TLS/SSL stack of a listening
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