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
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
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.
What is a stageless payload artifact?
I’ve had a few questions about Cobalt Strike’s stageless payloads and how these compare to other payload varieties. In this blog post, I’ll explain stageless
HOWTO: Port Forwards through a SOCKS proxy
Recently, I’ve had multiple people ask about port forwards with Cobalt Strike’s Beacon payload. Beacon has had SOCKS proxy pivoting support since June 2013. This feature