External C2, IE COM Objects and how to use them for Command and Control

Background Cobalt Strike 3.6 introduced a powerful new feature called External C2, providing an interface for custom Command and Control channels. Being a fan of custom C2 channels I started exploring ExternalC2. In this blog post, I will briefly describe the ExternalC2 specification, IE COM Objects, how to use them for Command and Control and … Continue reading External C2, IE COM Objects and how to use them for Command and Control