Privilege Escalation (TA0004)(external, opens in a new tab or window)
Persistence (TA0003)(external, opens in a new tab or window)
text code block:sequence by orchestrator.cluster.name, user.name with maxspan=5m [any where data_stream.dataset == "aws.eks_audit" and `aws.eks.audit.annotations.authorization_k8s_io/decision` == "allow" and aws.eks.audit.objectRef.resource in ("roles", "clusterroles") and aws.eks.audit.verb in ("create", "update", "patch") and not startsWith(user.name, "eks:")] [any where data_stream.dataset == "aws.eks_audit" and `aws.eks.audit.annotations.authorization_k8s_io/decision` == "allow" and aws.eks.audit.objectRef.resource in ("daemonsets", "deployments", "cronjobs") and aws.eks.audit.verb in ("create", "patch") and /* skip controller status writes and HPA / kubectl scale patches */ not aws.eks.audit.objectRef.subresource in ("status", "scale") and /* reduce control-plane / bootstrap noise */ not aws.eks.audit.user.groups == "system:masters" and not startsWith(user.name, "eks:") ]
Install detection rules in Elastic Security
Detect AWS EKS Sensitive RBAC Change Followed by Workload Modification in the Elastic Security detection engine by installing this rule into your Elastic Stack.
To setup this rule, check out the installation guide for Prebuilt Security Detection Rules(external, opens in a new tab or window).