Analytics Alerts

Browse the Cortex analytics alert reference.

Severity
Detection module
Data source

1 alert match the current filters.

Download CSV Show ATT&CK heatmap
  • Abnormal network communication with a rare combination of HTTP User Agent and HTTP Server Informational 1 variation

    Abnormal network communication with a rare combination of HTTP User Agent and HTTP Server to an external address.

    Activation:
    14 Days
    Training:
    30 Days
    Test:
    N/A (single event)
    Deduplication:
    1 Day
    ATT&CK tactics: Command and Control (TA0011) Exfiltration (TA0010)
    ATT&CK techniques: Web Service (T1102) Exfiltration Over Web Service (T1567)
    Required data: Palo Alto Networks Firewall EAL Logs XDR Agent
    Attacker's goals: Data exfiltration, attack tool staging or command and control channel through a trusted service.
    Investigative actions: Examine the legitimacy of the application that produced this rare combination of HTTP User Agent with the external HTTP Server. Examine the parent process of this application. Check for anomalies at the time when the communication occurred.

    Variations

    Abnormal network communication with a rare combination of HTTP User Agent and HTTP Server where both the User Agent and the HTTP Server are rare

    Low overridden

    Abnormal network communication with a rare combination of HTTP User Agent and HTTP Server to an external address. overridden