We analyze FrostyGoop malware, which targets OT systems. This article walks through newly discovered samples, indicators, and also examines configurations and network communications. We analyze FrostyGoop malware, which targets OT systems. This article walks through newly discovered samples, indicators, and also examines configurations and network communications.

In April 2024, FrostyGoop, an ICS malware, was discovered in a publicly available malware scanning repository. FrostyGoop can target devices communicating over Modbus TCP to manipulate control, modify parameters, and send unauthorized command messages. Modbus is a commonly used protocol across all industrial sectors. The Cyber Security Situation Center (CSSC), a part of the Security