![]() ![]() For known Cobalt Strike profiles, network security defenses such as signature-based detections trigger on anomalous data, mainly found in the HTTP URIs and headers of Cobalt Strike C2. These profiles range from default or basic settings that are well known, to nearly limitless hand-crafted custom profiles. Malleable C2 profiles allow the operator to encrypt, encode, and otherwise obfuscate network traffic in many different ways to mimic benign flows and even other malware communications. Threat actors leverage Cobalt Strike software and custom Malleable C2 profiles to maintain unauthorized access and sustain hostile cyber engagements. However, Cobalt Strike is frequently abused for malicious ends. ![]() The platform is popular among security engineers to test the defenses of the networks that they protect. A domain-specific language called Malleable C2 is exposed to Cobalt Strike operators which allows them to create highly flexible and evasive network profiles. This blog written by: Matthew Tennis, Chris Navarrete, Durgesh Sangvikar, Yanhui Jia, Yu Fu, and Siddhart ShibirajĬobalt Strike is a commercial threat emulation platform designed to provide long-term, covert command-and-control (C2) communication between Beacon agents and the attacker-controlled Team Server. Cobalt Strike Attack Detection & Defense Technology Overview ![]()
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