Analytics Alerts

Browse the Cortex analytics alert reference.

Severity
Detection module
Data source

2 alerts match the current filters. tactic: TA0011 ✕ technique: T1021 ✕

Show ATT&CK heatmap
  • Rare process with VNC server capabilities started Low

    A rare process with VNC server capabilities was started.

    Activation:
    14 Days
    Training:
    30 Days
    Test:
    N/A (single event)
    Deduplication:
    1 Day
    ATT&CK tactics: Command and Control (TA0011) Lateral Movement (TA0008)
    ATT&CK techniques: Remote Access Tools (T1219) Remote Services: VNC (T1021.005)
    Required data: XDR Agent
    Attacker's goals: Accessing a remote machine with full interactive graphic interface capabilities.
    Investigative actions: Check if the product usage is approved. Check if it was executed remotely or locally.
  • Uncommon VNC server communication Low 4 variations

    Uncommon VNC server network traffic was observed.

    Activation:
    14 Days
    Training:
    30 Days
    Test:
    N/A (single event)
    Deduplication:
    1 Day
    ATT&CK tactics: Command and Control (TA0011) Lateral Movement (TA0008)
    ATT&CK techniques: Remote Access Tools (T1219) Remote Services: VNC (T1021.005)
    Required data: XDR Agent
    Attacker's goals: Accessing a remote machine with full interactive graphic interface capabilities.
    Investigative actions: Check if the product usage is approved. Check if it was executed remotely or locally.

    Variations

    Uncommon VNC scanning activity detected from a scanning tool

    Medium overridden

    An uncommon VNC scanning network traffic was observed from a scanning tool. overridden

    Uncommon VNC server communication from an unmanaged previously unseen external host

    Low overridden

    Uncommon VNC server network traffic was observed from an unmanaged, previously unseen external host. overridden

    Partially uncommon VNC server communication

    Informational overridden

    Uncommon VNC server network traffic was observed. overridden

    Uncommon VNC server connection

    Informational overridden

    An uncommon VNC Server network connection was observed. overridden