Kubernetes RBAC Exploited to Mine Cryptocurrency in Large-Clusters

A malicious attack campaign has been discovered exploiting Kubernetes (K8s) Role-Based Access Control (RBAC) to create backdoors, run cryptocurrency miners, and steal data.

The attack chain starts with the attacker gaining initial access via a misconfigured API server and then using RBAC to set up persistence.

The attacker also created a DaemonSet to deploy a container image hosting a cryptocurrency miner.

This attack bears similarities to another illicit cryptocurrency mining operation that also used DaemonSets.

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