A Kubernetes API operation was successfully invoked by an anonymous user

Cortex XDR Analytics Alert Reference by Alert name

Product
Cortex XDR
Last date published
2024-06-04
Category
Analytics Alert Reference
Order
Alert name

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

ATT&CK Tactic

Initial Access (TA0001)

ATT&CK Technique

Valid Accounts: Default Accounts (T1078.001)

Severity

Medium

Description

An unauthenticated user successfully invoked API calls within the Kubernetes cluster.

Attacker's Goals

Gain initial access to a Kubernetes cluster.

Investigative actions

  • Determine which resources were accessed anonymously.
  • Verify whether the affected resource should be accessed by unauthenticated users.

Variations

A Kubernetes API operation was successfully invoked by an anonymous user outside the cluster

Synopsis

ATT&CK Tactic

Initial Access (TA0001)

ATT&CK Technique

Valid Accounts: Default Accounts (T1078.001)

Severity

High

Description

An unauthenticated user successfully invoked API calls within the Kubernetes cluster.

Attacker's Goals

Gain initial access to a Kubernetes cluster.

Investigative actions

  • Determine which resources were accessed anonymously.
  • Verify whether the affected resource should be accessed by unauthenticated users.