Cobalt Strike RCE. Active Exploitation Reported.
Summary There is a remote code execution vulnerability in the Cobalt Strike team server. A hot fix that breaks this particular exploit chain is available.
Cobalt Strike 3.5 – UNIX Post Exploitation
Cobalt Strike 3.5 is now available. This release adds an SSH client with a Beacon-like interface. This client allows you to conduct post-exploitation actions against
Cobalt Strike Tapas
I’ve slowed down on my blogging since this year’s BlackHat and DEF CON. I’m hard at work on the 3.5 release and haven’t had spare
What happened to my Kill Date?
Cobalt Strike 3.4 introduced a Kill Date feature. This is a date that Cobalt Strike embeds into each Beacon stage. If a Beacon artifact is
Cobalt Strike 3.4 – Operational Details
Cobalt Strike 3.4 is now available. This release focuses on the DNS Beacon and a few additions to Malleable C2. Here are the highlights: New
Why is rundll32.exe connecting to the internet?
Previously, I wrote a blog post to answer the question: why is notepad.exe connecting to the internet? This post was written in response to a generation
HOWTO: Reset Your Cobalt Strike License Key
Time to time, I hand out Cobalt Strike license keys to non-customers. Sometimes these are to support an event (e.g., the National CCDC Red Team).
Gettin’ Down with Aggressor Script
Aggressor Script is the scripting engine in Cobalt Strike 3.0 and later. As much as possible, I tried to make Cobalt Strike’s scripting feel like
Who let the logs out? Woof.
Logging is an important feature in any red team operations platform. Logs serve multiple purposes. Good logs aid reporting. If an operator needs output for
Talk to your children about Payload Staging
Time to time, I find myself in an email exchange about payload security and payload staging. The payload security discussion revolves around Beacon’s security features.