Introducing Merlin — A cross-platform post-exploitation HTTP/2 Command & Control Tool

Russel Van Tuyl
Dec 18, 2017 · 7 min read

tl;dr Evade network detection during a penetration test/red team exercise by using a protocol that existing tools aren’t equipped to understand or inspect. Merlin is post-exploitation tool that is easily cross-compiled to run on any platform to achieve command and control of a host.

Background

Encryption

Evasion

Merlin

Merlin Server

Image for post
Image for post
Merlin Server Banner
Image for post
Image for post
Merlin Agent Check In and Agent List
Image for post
Image for post
Merlin Server Main Menu Tab Completion
Image for post
Image for post
Merlin Server Agent Info Command Tab Completion
Image for post
Image for post
Merlin Agent Information

Merlin Agent

Image for post
Image for post
Merlin Agent Windows PowerShell Command
Image for post
Image for post
Merlin Agent Linux Python Command
Image for post
Image for post
Merlin Agent MacOS Command
Image for post
Image for post
Merlin Orphaned Agents Re-Initializing

Conclusion

Welcome to a place where words matter. On Medium, smart voices and original ideas take center stage - with no ads in sight. Watch

Follow all the topics you care about, and we’ll deliver the best stories for you to your homepage and inbox. Explore

Get unlimited access to the best stories on Medium — and support writers while you’re at it. Just $5/month. Upgrade

Get the Medium app

A button that says 'Download on the App Store', and if clicked it will lead you to the iOS App store
A button that says 'Get it on, Google Play', and if clicked it will lead you to the Google Play store