Analytics Alerts

Browse the Cortex analytics alert reference.

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11 alerts match the current filters. tactic: TA0010 ✕ technique: T1530 ✕

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  • An EBS snapshot block was downloaded Informational Cloud 2 variations

    An EBS snapshot block was downloaded using the EBS direct API.This may indicate an attacker's attempt to exfiltrate data from a volume snapshot in the cloud environment.

    Activation:
    14 Days
    Training:
    30 Days
    Test:
    N/A (single event)
    Deduplication:
    1 Day
    ATT&CK tactics: Collection (TA0009) Exfiltration (TA0010)
    ATT&CK techniques: Data from Cloud Storage (T1530) Automated Exfiltration (T1020)
    Required data: AWS Audit Log
    Detector tags: Cloud Data Asset Exfiltration, Data Detection & Response
    Attacker's goals: Exfiltrate sensitive data from the cloud environment.
    Investigative actions: Check the accessed snapshot and corresponding volume. Monitor additional snapshot blocks downloads from the snapshot. Verify that the identity did not download any sensitive information that it shouldn't.

    Variations

    An EBS snapshot block was downloaded from a snapshot with sensitive data

    Medium overridden

    An EBS snapshot block was downloaded using the EBS direct API.This may indicate an attacker's attempt to exfiltrate data from a volume snapshot in the cloud environment.The snapshot contains sensitive data. overridden

    An unusual download of EBS snapshot block

    Low overridden

    An EBS snapshot block was downloaded using the EBS direct API.This may indicate an attacker's attempt to exfiltrate data from a volume snapshot in the cloud environment.The operation was not performed by this identity in the last 30 days. overridden

  • An identity accessed a backup cloud storage Informational Cloud 1 variation

    An identity accessed a backup cloud storage.

    Activation:
    14 Days
    Training:
    30 Days
    Test:
    N/A (single event)
    Deduplication:
    1 Day
    ATT&CK tactics: Collection (TA0009) Exfiltration (TA0010)
    ATT&CK techniques: Data from Cloud Storage (T1530) Automated Exfiltration (T1020)
    Required data: AWS Audit Log Azure Audit Log Gcp Audit Log
    Detector tags: Cloud Data Asset Exfiltration
    Attacker's goals: Exfiltrate data from the cloud environment.
    Investigative actions: Check the identity which invoked the operation. Check the accessed resource and verify it doesn't contain sensitive data.

    Variations

    An identity accessed a backup cloud storage which wasn't read recently

    Low overridden

    An identity accessed a backup cloud storage. overridden

  • An identity accessed a cloud storage for the first time Informational Cloud

    An identity accessed a cloud storage resource for the first time.

    Activation:
    14 Days
    Training:
    30 Days
    Test:
    N/A (single event)
    Deduplication:
    1 Day
    ATT&CK tactics: Collection (TA0009) Exfiltration (TA0010)
    ATT&CK techniques: Data from Cloud Storage (T1530) Automated Exfiltration (T1020)
    Required data: AWS Audit Log Azure Audit Log Gcp Audit Log
    Detector tags: Cloud Data Asset Exfiltration
    Attacker's goals: Exfiltrate data from the cloud environment.
    Investigative actions: Review the identity that invoked the operation. Verify the accessed resource and ensure it does not contain sensitive data.
  • An identity accessed cloud storage containing sensitive data Informational Cloud

    An identity accessed cloud storage containing sensitive data.

    Activation:
    14 Days
    Training:
    30 Days
    Test:
    N/A (single event)
    Deduplication:
    1 Day
    ATT&CK tactics: Collection (TA0009) Exfiltration (TA0010)
    ATT&CK techniques: Data from Cloud Storage (T1530) Automated Exfiltration (T1020)
    Required data: AWS Audit Log Azure Audit Log Gcp Audit Log
    Detector tags: Cloud Data Asset Exfiltration
    Attacker's goals: Exfiltrate data from the cloud environment.
    Investigative actions: Check the identity which invoked the operation. Check the accessed resource and verify it doesn't contain sensitive data.
  • An identity initiated a download of multiple cloud objects Informational Cloud 2 variations

    An identity initiated a download of multiple cloud objects.This might be an indication for an adversary trying to exfiltrate data from cloud storage.

    Activation:
    14 Days
    Training:
    30 Days
    Test:
    1 Hour
    Deduplication:
    1 Day
    ATT&CK tactics: Collection (TA0009) Exfiltration (TA0010)
    ATT&CK techniques: Data from Cloud Storage (T1530) Transfer Data to Cloud Account (T1537)
    Required data: AWS Audit Log Azure Audit Log Gcp Audit Log
    Detector tags: Cloud Data Asset Exfiltration
    Attacker's goals: Exfiltrate data from the cloud environment.
    Investigative actions: Check the identity which invoked the operations. Check the accessed resource and verify it doesn't contain sensitive data.

    Variations

    An identity initiated a download of multiple cloud objects in large volume compared to the project's usual volume

    Medium overridden

    An identity initiated a download of multiple cloud objects.This might be an indication for an adversary trying to exfiltrate data from cloud storage.This large volume of downloaded cloud storage operations has not been in this project for the last 30 days. overridden

    An identity initiated a download of multiple cloud objects in large volume compared to the bucket's usual volume

    Low overridden

    An identity initiated a download of multiple cloud objects.This might be an indication for an adversary trying to exfiltrate data from cloud storage.This large volume of downloaded cloud storage operations has not been seen in this bucket for the last 30 days. overridden

  • An identity performed a suspicious download of multiple cloud storage objects Informational Cloud 4 variations

    An identity downloaded multiple objects from cloud storage.This may indicate an attacker's attempt to download sensitive data from a bucket in the cloud environment.

    Activation:
    14 Days
    Training:
    30 Days
    Test:
    1 Hour
    Deduplication:
    5 Days
    ATT&CK tactics: Collection (TA0009) Exfiltration (TA0010)
    ATT&CK techniques: Data from Cloud Storage (T1530) Automated Exfiltration (T1020)
    Required data: AWS Audit Log Azure Audit Log Gcp Audit Log
    Detector tags: Cloud Data Asset Exfiltration, Data Detection & Response
    Attacker's goals: Exfiltrate sensitive data from the cloud environment.
    Investigative actions: Check the accessed bucket and objects designation. Verify that the identity did not download any sensitive information that it shouldn't.

    Variations

    An identity performed a suspicious download of multiple cloud storage objects from an internal IP

    Informational overridden

    An identity downloaded multiple objects from cloud storage.This may indicate an attacker's attempt to download sensitive data from a bucket in the cloud environment. overridden

    An identity performed a suspicious download of multiple cloud storage objects

    High overridden

    An identity downloaded multiple objects from cloud storage.This may indicate an attacker's attempt to download sensitive data from a bucket in the cloud environment.This large volume of downloaded cloud storage objects had not been seen across all projects for the last 30 days. overridden

    An identity performed a suspicious download of multiple cloud storage objects

    Medium overridden

    An identity downloaded multiple objects from cloud storage.This may indicate an attacker's attempt to download sensitive data from a bucket in the cloud environment.This large volume of downloaded cloud storage objects had not been seen in this project for the last 30 days. overridden

    An identity performed a suspicious download of multiple cloud storage objects from multiple buckets

    Medium overridden

    An identity downloaded multiple objects from cloud storage.This may indicate an attacker's attempt to download sensitive data from a bucket in the cloud environment.This large volume of downloaded cloud storage objects from several buckets had not been seen for the last 30 days. overridden

  • An unusual read activity of cloud object Informational Cloud

    An identity accessed a cloud object filetype for the first time.

    Activation:
    14 Days
    Training:
    30 Days
    Test:
    N/A (single event)
    Deduplication:
    1 Day
    ATT&CK tactics: Collection (TA0009) Exfiltration (TA0010)
    ATT&CK techniques: Data from Cloud Storage (T1530) Automated Exfiltration (T1020)
    Required data: AWS Audit Log Azure Audit Log Gcp Audit Log
    Detector tags: Cloud Data Asset Exfiltration
    Attacker's goals: Exfiltrate data from the cloud environment.
    Investigative actions: Check the identity which invoked the operation. Check the accessed resource and verify it doesn't contain sensitive data.
  • Cloud snapshot created or modified Informational Cloud 3 variations

    A cloud identity has created or modified a cloud snapshot.

    Activation:
    14 Days
    Training:
    30 Days
    Test:
    N/A (single event)
    Deduplication:
    1 Day
    ATT&CK tactics: Exfiltration (TA0010) Defense Evasion (TA0005) Collection (TA0009)
    ATT&CK techniques: Transfer Data to Cloud Account (T1537) Modify Cloud Compute Infrastructure (T1578) Data from Cloud Storage (T1530)
    Required data: AWS Audit Log Azure Audit Log Gcp Audit Log
    Detector tags: Cloud Data Asset Disaster Recovery Risks, Cloud Data Asset Configuration, Data Detection & Response
    Attacker's goals: Exfiltrate sensitive data that resides on the snapshot.
    Investigative actions: Check if the identity intended to create or modify the snapshot. Check if the identity performed additional malicious operations within the cloud environment.

    Variations

    Cloud snapshot was configured for public access

    Low overridden

    A cloud identity has created or modified a cloud snapshot. overridden

    Cloud snapshot was shared with an unusual AWS account(s)

    Low overridden

    A cloud identity has created or modified a cloud snapshot. overridden

    Previously unseen GCP principal was bound to cloud snapshot

    Low overridden

    A cloud identity has created or modified a cloud snapshot. overridden

  • Data exfiltration from cloud database Low Cloud 2 variations

    An identity tries to exfiltrate data from cloud database, as indicated by multiple signals.

    Activation:
    14 Days
    Training:
    30 Days
    Test:
    1 Hour
    Deduplication:
    1 Day
    ATT&CK tactics: Exfiltration (TA0010) Collection (TA0009)
    ATT&CK techniques: Data from Cloud Storage (T1530) Automated Exfiltration (T1020)
    Required data: Azure Audit Log Gcp Audit Log
    Detector tags: Cloud Data Asset Exfiltration, Data Detection & Response
    Attacker's goals: Exfiltrate data from the cloud environment.
    Investigative actions: Check the identity which invoked the operation.

    Variations

    Data exfiltration from cloud database containing sensitive data from a production account toa foreign account

    High overridden

    An identity tries to exfiltrate data from cloud database, as indicated by multiple signals. overridden

    Suspicious data exfiltration from cloud database

    High overridden

    An identity tries to exfiltrate data from cloud database, as indicated by multiple signals. overridden

  • Suspicious access to Kubernetes API with kubelet credentials Low Cloud 1 variation

    A combination of signals has been detected indicating that kubelet credentials were used inside a pod to access the Kubernetes API. This activity suggests an attempt to escalate privileges or move laterally within the cluster.

    Activation:
    14 Days
    Training:
    30 Days
    Test:
    10 Minutes
    Deduplication:
    1 Day
    ATT&CK tactics: Exfiltration (TA0010) Collection (TA0009)
    ATT&CK techniques: Data from Cloud Storage (T1530) Automated Exfiltration (T1020)
    Required data: XDR Agent with eXtended Threat Hunting (XTH)
    Detector tags: Cloud Data Asset Exfiltration, Data Detection & Response
    Attacker's goals: Usage of the Kubernetes API server to perform operations inside the cluster.
    Investigative actions: Check if there is an active attack against the Kubernetes cluster.

    Variations

    Suspicious access to Kubernetes API with kubelet credentials from unusual pod

    Medium overridden

    A combination of signals has been detected indicating that kubelet credentials were used inside a pod to access the Kubernetes API. This activity suggests an attempt to escalate privileges or move laterally within the cluster. overridden

  • Suspicious identity downloaded multiple objects from a bucket Low Cloud 3 variations

    An identity downloaded multiple objects from a bucket, considerably more than usual.This may indicate an attacker's attempt to download sensitive data from a bucket in the cloud environment.

    Activation:
    14 Days
    Training:
    30 Days
    Test:
    1 Hour
    Deduplication:
    5 Days
    ATT&CK tactics: Collection (TA0009) Exfiltration (TA0010)
    ATT&CK techniques: Data from Cloud Storage (T1530) Automated Exfiltration (T1020)
    Required data: AWS Audit Log Azure Audit Log Gcp Audit Log
    Detector tags: Cloud Data Asset Exfiltration, Data Detection & Response
    Attacker's goals: Exfiltrate sensitive data from the cloud environment.
    Investigative actions: Check the accessed bucket and objects designation. Verify that the identity did not download any sensitive information that it shouldn't.

    Variations

    Suspicious identity with DevOps behavior downloaded multiple objects from a bucket

    Informational overridden

    An identity with DevOps behavior downloaded multiple objects from a bucket, considerably more than usual.This may indicate an attacker's attempt to download sensitive data from a bucket in the cloud environment. overridden

    Suspicious identity downloaded multiple objects from a bucket that contains sensitive files

    Medium overridden

    An identity downloaded multiple objects from a bucket, considerably more than usual.This may indicate an attacker's attempt to download sensitive data from a bucket in the cloud environment. The bucket contains sensitive files. overridden

    Suspicious identity downloaded multiple objects from a backup storage bucket

    Medium overridden

    An identity downloaded multiple objects from a bucket, considerably more than usual.This may indicate an attacker's attempt to download sensitive data from a bucket in the cloud environment. overridden