A Kubernetes node service account activity from external IP

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

Informational

Description

A Kubernetes node service account was seen operating from an external IP.

Attacker's Goals

Gain access to the Kubernetes cluster.

Investigative actions

  • Determine which resources were accessed by the node service account.
  • Investigate other actions made by the node service account.

Variations

A Kubernetes node service account was used outside the cluster

Synopsis

ATT&CK Tactic

Initial Access (TA0001)

ATT&CK Technique

Valid Accounts: Default Accounts (T1078.001)

Severity

Low

Description

A Kubernetes node service account was seen operating from an external IP.

Attacker's Goals

Gain access to the Kubernetes cluster.

Investigative actions

  • Determine which resources were accessed by the node service account.
  • Investigate other actions made by the node service account.