Analytics Alerts

Browse the Cortex analytics alert reference.

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1 alert match the current filters. tactic: TA0003 ✕ technique: T1048 ✕

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  • AWS network ACL rule creation Informational Cloud

    An AWS network ACL rule was created with a specific rule number.

    Activation:
    14 Days
    Training:
    30 Days
    Test:
    N/A (single event)
    Deduplication:
    1 Day
    ATT&CK tactics: Persistence (TA0003) Exfiltration (TA0010)
    ATT&CK techniques: External Remote Services (T1133) Exfiltration Over Alternative Protocol (T1048)
    Required data: AWS Audit Log
    Attacker's goals: Deleting an ingress rule may allow an attacker to gain persistence in the cloud environment.Deleting an egress rule may enable data exfiltration.
    Investigative actions: Check the VPC affected by this change. Verify the rule number (as rules are applied in order). Determine whether the rule is ingress or egress.