PassiveNeuron Cyberespionage Resurfaces: APT Abuses MS SQL Servers to Deploy Stealthy Neursite Backdoor Cyber Security Malware PassiveNeuron Cyberespionage Resurfaces: APT Abuses MS SQL Servers to Deploy Stealthy Neursite Backdoor Do Son October 22, 2025 0 Kaspersky researchers have uncovered new details about PassiveNeuron, a long-running cyberespionage campaign targeting government, financial, and industrial... Read More Read more about PassiveNeuron Cyberespionage Resurfaces: APT Abuses MS SQL Servers to Deploy Stealthy Neursite Backdoor