Citadel relies on specific protocols to communicate and execute commands. Nozomi performs DPI on OT protocols (such as Modbus, DNP3, or Ethernet/IP). If the malware attempts to download a malicious command or alter a logic controller, the traffic signature triggers an immediate alert.
While Nozomi/Citadel shares some similarities with Kurosawa's other works, such as "Rashomon" and "The Bad Sleep Well", it can be enjoyed as a standalone film. The movie's themes and plot are self-contained, making it accessible to viewers who may not be familiar with Kurosawa's other films. nozomi/citadel
Citadel exhibited modular design, communicating via encrypted DNS (TXT records) and HTTPS to C2 domains. Key modules: Citadel relies on specific protocols to communicate and