Java Startup Bug in Java 1.8u131
If you recently updated your penetration testing environment, it’s possible you were greeted with a special surprise. Cobalt Strike and its team server will no
Cobalt Strike 3.7 – Cat, Meet Mouse
The 8th release of the Cobalt Strike 3.0 series is now available. The release extends Malleable C2 to influence how Beacon lives in memory, adds code-signing for executables, and gives
Scripting Matt Nelson’s MMC20.Application Lateral Movement Technique
This is a short blog post with a long title. A few weeks ago, Matt Nelson published Lateral Movement Using the MMC20.APPLICATION COM Object (there’s
Cobalt Strike 3.6 – A Path for Privilege Escalation
Cobalt Strike 3.6 is now available. This release adds an API to use third-party privilege escalation exploits with Beacon and extends Malleable C2 to allow
Cobalt Strike 3.5.1 – Important Security Update
Cobalt Strike 3.5.1 is now available. This release addresses a remote code execution vulnerability in Cobalt Strike. This vulnerability was discovered after a report of
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
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