Analytics Alerts

Browse the Cortex analytics alert reference.

Severity
Detection module
Data source

1 alert match the current filters. tactic: TA0006 ✕

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  • Multiple uncommon SSH Servers with the same Server host key Low

    Multiple uncommon SSH servers were observed using the same host key.

    Activation:
    14 Days
    Training:
    30 Days
    Test:
    N/A (single event)
    Deduplication:
    1 Day
    ATT&CK tactics: Credential Access (TA0006)
    ATT&CK techniques: Adversary-in-the-Middle (T1557)
    Required data: Palo Alto Networks Firewall EAL Logs XDR Agent
    Attacker's goals: Attackers may attempt to move laterally within the network by exploiting and relaying stolen client credentials to another SSH server.
    Investigative actions: Audit the authentication attempts to the SSH server using the same key. Look for unusual or repeated connections from the same or unexpected hosts. Audit Client Credentials, check for any signs of compromised client credentials being used on different SSH servers.