Analytic 2083

Real-time monitoring identifies a command and scripting interpreter process spawned by an Industrial Control System (ICS) service process, or interactive shell sessions from unexpected Secure Shell (SSH) source Internet Protocol (IP) addresses or an unexpected User Identifier (UID) not associated with recognized ICS automation scripts, deviating from the expected execution baseline. Operational Technology (OT) operational-fidelity gate: Alert only when execution violates an approved signer/hash/path/parent/process or tool allowlist, or originates from an unauthorized user/tool, and is tied to an OT asset or follow-on OT-relevant action. Suppress vendor-signed software, approved engineering utilities, diagnostics, patching, backup, and documented maintenance.

1. Pregled

1.1 Reference

1.2 Utvrđeni zahtjevi

1.3 Povezani propisi

2. Utvrđeni zahtjevi

3. Povezani propisi

Povezani zadaci

• MITREATTACK -

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