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
Cobalt Strike 4.2 – Everything but the kitchen sink
Cobalt Strike 4.2 is now available. This release overhauls our user exploitation features, adds more memory flexibility options to Beacon, adds more behavior flexibility to
Beacon Object File ADVENTURES: Some Zerologon, SMBGhost, and Situational Awareness
Cobalt Strike can use PowerShell, .NET, and Reflective DLLs for its post-exploitation features. This is the weaponization problem set. How to take things, developed outside
Cobalt Strike 4.1 – The Mark of Injection
Cobalt Strike 4.1 is now available. This release introduces a new way to build post-ex tools that work with Beacon, pushes back on a generic
SSL certificate verification for failed
TL;DR a certificate for part of the Cobalt Strike update infrastructure changed. Download the 20200511 distribution package to avoid certificate verification errors. If you recently
Cobalt Strike 4.0 – Bring Your Own Weaponization
Cobalt Strike 4.0 is now available. This release improves Cobalt Strike’s distributed operations model, revises post-exploitation workflows to drop some historical baggage, and adds “Bring
Cobalt Strike’s Process Injection: The Details
Cobalt Strike 3.14 finally delivered some of the process injection flexibility I’ve long wanted to see in the product. In this post, I’d like to
Cobalt Strike Team Server Population Study
From February 4, 2019 to February 15, 2019 Strategic Cyber LLC connected to several live Cobalt Strike team servers to download Beacon payloads, analyze them,