A Kubernetes node service account activity from external IP

Synopsis

Field	Value
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 OR Kubernetes Audit Logs
Detection Modules	Cloud
Detector Tags	Kubernetes - API
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

Field	Value
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.