Detection: Kubernetes AWS detect sensitive role access

REMOVED DETECTION

This detection has been removed from the Splunk Threat Research content library and is no longer maintained or supported.

Reason: Detection deprecated as it no longer effectively identifies the intended malicious activity

Removed in version: 5.2.0

If you have any questions or concerns, please reach out to us at research@splunk.com.

Description

This search provides information on Kubernetes accounts accessing sensitve objects such as configmpas or secrets

1`aws_cloudwatchlogs_eks` objectRef.resource=clusterroles OR clusterrolebindings sourceIPs{}!=::1 sourceIPs{}!=127.0.0.1  
2| table sourceIPs{} user.username user.groups{} objectRef.namespace requestURI annotations.authorization.k8s.io/reason 
3| dedup user.username user.groups{} 
4|`kubernetes_aws_detect_sensitive_role_access_filter`

Data Source

No data sources specified for this detection.

Macros Used

Name Value
aws_cloudwatchlogs_eks sourcetype="aws:cloudwatchlogs:eks"
kubernetes_aws_detect_sensitive_role_access_filter ``
kubernetes_aws_detect_sensitive_role_access_filter is an empty macro by default. It allows the user to filter out any results (false positives) without editing the SPL.

Annotations

- MITRE ATT&CK
+ Kill Chain Phases
+ NIST
+ CIS
- Threat Actors
ID Technique Tactic

Default Configuration

This detection is configured by default in Splunk Enterprise Security to run with the following settings:

Setting Value
Disabled true
Cron Schedule N/A
Earliest Time N/A
Latest Time N/A
Schedule Window N/A
Creates Finding (Notable) No
Creates Intermediate Finding (Risk Event) No
Hunting detections do not generate a Finding (Notable) or Intermediate Findings (Risk Events).

Implementation

You must install splunk AWS add on and Splunk App for AWS. This search works with cloudwatch logs.

Known False Positives

Sensitive role resource access is necessary for cluster operation, however source IP, namespace and user group may indicate possible malicious use.

Associated Analytic Story

Detection Testing

Test Type Status Dataset Source Sourcetype
Validation Not Applicable N/A N/A N/A
Unit Not Applicable N/A N/A N/A

Replay any dataset to Splunk Enterprise by using our replay.py tool or the UI. Alternatively you can replay a dataset into a Splunk Attack Range


Source: GitHub |

Version: 5