A Kubernetes service account executed an unusual API call

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 executed an unusual API call.

Attacker's Goals

  • Abuse a service account token to gain access to the Kubernetes cluster.

Investigative actions

  • Verify whether the service account should be executing this API.
  • Investigate other operations that were performed by the service account within the cluster.

Variations

A Kubernetes service account executed an API call on a first-seen resource

Synopsis

ATT&CK Tactic

Execution (TA0002)

ATT&CK Technique

User Execution (T1204)

Severity

Low

Description

A Kubernetes service account executed an API call on a first-seen resource.

Attacker's Goals

  • Abuse a service account token to gain access to the Kubernetes cluster.

Investigative actions

  • Verify whether the service account should be executing this API.
  • Investigate other operations that were performed by the service account within the cluster.


A Kubernetes service account executed an API call on an unusual sensitive resource

Synopsis

ATT&CK Tactic

Execution (TA0002)

ATT&CK Technique

User Execution (T1204)

Severity

Low

Description

A Kubernetes service account executed an API call on an unusual sensitive resource.

Attacker's Goals

  • Abuse a service account token to gain access to the Kubernetes cluster.

Investigative actions

  • Verify whether the service account should be executing this API.
  • Investigate other operations that were performed by the service account within the cluster.


A Kubernetes service account executed an unusual modification API call

Synopsis

ATT&CK Tactic

Execution (TA0002)

ATT&CK Technique

User Execution (T1204)

Severity

Informational

Description

A Kubernetes service account executed an unusual modification API call.

Attacker's Goals

  • Abuse a service account token to gain access to the Kubernetes cluster.

Investigative actions

  • Verify whether the service account should be executing this API.
  • Investigate other operations that were performed by the service account within the cluster.


A Kubernetes service account executed an API call on an unusual resource

Synopsis

ATT&CK Tactic

Execution (TA0002)

ATT&CK Technique

User Execution (T1204)

Severity

Informational

Description

A Kubernetes service account executed an API call on an unusual resource.

Attacker's Goals

  • Abuse a service account token to gain access to the Kubernetes cluster.

Investigative actions

  • Verify whether the service account should be executing this API.
  • Investigate other operations that were performed by the service account within the cluster.