Credential Access (TA0006)(external, opens in a new tab or window)
text code block:host.os.type:"linux" and data_stream.dataset:"auditd_manager.auditd" and event.category:"file" and event.action:"opened-file" and ( process.name:( cp or mv or ln or cat or head or tail or base64 or xxd or od or curl or wget or tar or zip or gzip or scp or rsync or python* or perl* or ruby* or node or bun or php* or lua* or tee or dd or nc or ncat or netcat or socat or openssl or ssh or sftp or busybox or jq or yq or strings or xargs or sed or awk or grep or find or .* ) or process.executable:(/tmp/* or /var/tmp/* or /dev/shm/* or /run/*) or (process.name:(sh or bash or zsh or dash or fish or ksh) and process.args:("-c" or "-i")) ) and file.path:( "/var/run/secrets/kubernetes.io/serviceaccount/token" or "/var/run/secrets/kubernetes.io/serviceaccount/ca.crt" or "/var/run/secrets/eks.amazonaws.com/serviceaccount/token" or "/var/run/secrets/azure/tokens/azure-identity-token" or "/var/run/secrets/tokens/azure-identity-token" or "/var/lib/kubelet/kubeconfig" or "/etc/kubernetes/admin.conf" or "/etc/kubernetes/pki/ca.key" or "/etc/kubernetes/pki/apiserver-kubelet-client.key" or "/var/lib/kubelet/pki/kubelet-client-current.pem" or "/etc/rancher/k3s/k3s.yaml" or "/etc/shadow" or "/root/.ssh/id_rsa" or "/root/.ssh/id_ed25519" or "/root/.ssh/id_ecdsa" or "/root/.aws/credentials" or "/root/.aws/config" or "/root/.aws/cli/cache" or "/root/.aws/sso/cache" or "/root/.azure/accessTokens.json" or "/root/.azure/azureProfile.json" or "/root/.azure/msal_token_cache.json" or "/root/.azure/msal_http_cache.bin" or "/root/.config/gcloud/application_default_credentials.json" or "/root/.config/gcloud/credentials.db" or "/root/.config/gcloud/access_tokens.db" or "/root/.config/gcloud/legacy_credentials" or "/root/.kube/config" or "/root/.docker/config.json" )
Install detection rules in Elastic Security
Detect Sensitive Identity File Open by Suspicious Process via Auditd 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).