Resources

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

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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

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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,

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Cobalt Strike 3.13 – Why do we argue?

Cobalt Strike 3.13 is now available. This release adds a TCP Beacon, process argument spoofing, and extends the Obfuscate and Sleep capability to the SMB

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Cobalt Strike 3.12 – Blink and you’ll miss it

Cobalt Strike 3.12 is now available. This release adds an “obfuscate and sleep” in-memory evasion feature, gives operators [some] control over process injection, and introduces

Blog

Broken Promises and Malleable C2 Profiles

Red Team infrastructure is a detail-heavy subject. Take the case of domain fronting through a CDN like CloudFront. You have to setup the CloudFront distribution, have a valid

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PowerShell Shellcode Injection on Win 10 (v1803)

Cobalt Strike’s process to inject shellcode, via PowerShell, does not work with the latest Windows 10 update (v1803). While it’s possible to work without this

Blog

Fighting the Toolset

What happens when your advantages become a disadvantage? That’s the theme of Fighting the Toolset. This lecture discusses Offensive PowerShell, staging, memory-injected DLLs, and remote

Blog

In-Memory Evasion

Many analysts and automated solutions take advantage of various memory detections to find injected DLLs in memory. Memory detections look at the properties (and content)

Blog

Modern Defenses and YOU!

Part 9 of Advanced Threat Tactics covers a lot of my thoughts on evasion. The ideas in that lecture are still relevant, the defenses discussed

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