Denied API call by a Kubernetes service account

Cortex XDR Analytics Alert Reference by data source

Product
Cortex XDR
Last date published
2024-12-03
Category
Analytics Alert Reference
Order
data source

Synopsis

Activation Period

14 Days

Training Period

30 Days

Test Period

N/A (single event)

Deduplication Period

5 Days

Required Data

  • Requires one of the following data sources:
    • AWS Audit Log
      OR
    • Azure Audit Log
      OR
    • Gcp Audit Log

Detection Modules

Cloud

Detector Tags

Kubernetes - API

ATT&CK Tactic

Execution (TA0002)

ATT&CK Technique

User Execution (T1204)

Severity

Informational

Description

A Kubernetes service account API call was denied.

Attacker's Goals

Gain access to the Kubernetes cluster.

Investigative actions

  • Check whether the service account should be making this API call.
  • Check service account's activity, including additional executed API calls.

Variations

Denied API call by Kubernetes service account for the first time in the cluster

Synopsis

ATT&CK Tactic

Execution (TA0002)

ATT&CK Technique

User Execution (T1204)

Severity

Low

Description

A Kubernetes service account API call was denied.

Attacker's Goals

Gain access to the Kubernetes cluster.

Investigative actions

  • Check whether the service account should be making this API call.
  • Check service account's activity, including additional executed API calls.


Suspicious denied API call by a Kubernetes service account

Synopsis

ATT&CK Tactic

Execution (TA0002)

ATT&CK Technique

User Execution (T1204)

Severity

Informational

Description

A Kubernetes service account API call was denied.

Attacker's Goals

Gain access to the Kubernetes cluster.

Investigative actions

  • Check whether the service account should be making this API call.
  • Check service account's activity, including additional executed API calls.