feat: Falco version upgrade
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charts/kubezero-falco/README.md
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charts/kubezero-falco/README.md
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# kubezero-falco
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![Version: 0.1.2](https://img.shields.io/badge/Version-0.1.2-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square)
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Falco Container Security and Audit components
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**Homepage:** <https://kubezero.com>
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## Maintainers
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| Name | Email | Url |
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| ---- | ------ | --- |
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| Stefan Reimer | <stefan@zero-downtime.net> | |
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## Requirements
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Kubernetes: `>= 1.26.0`
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| Repository | Name | Version |
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|------------|------|---------|
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| https://cdn.zero-downtime.net/charts/ | kubezero-lib | >= 0.1.6 |
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| https://falcosecurity.github.io/charts | k8saudit(falco) | 4.2.5 |
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## Values
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| Key | Type | Default | Description |
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|-----|------|---------|-------------|
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| k8saudit.collectors | object | `{"enabled":false}` | Disable the collectors, no syscall events to enrich with metadata. |
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| k8saudit.controller | object | `{"deployment":{"replicas":1},"kind":"deployment"}` | Deploy Falco as a deployment. One instance of Falco is enough. Anyway the number of replicas is configurabale. |
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| k8saudit.controller.deployment.replicas | int | `1` | Number of replicas when installing Falco using a deployment. Change it if you really know what you are doing. For more info check the section on Plugins in the README.md file. |
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| k8saudit.driver | object | `{"enabled":false}` | Disable the drivers since we want to deploy only the k8saudit plugin. |
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| k8saudit.enabled | bool | `false` | |
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| k8saudit.falco.buffered_outputs | bool | `true` | |
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| k8saudit.falco.json_output | bool | `true` | |
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| k8saudit.falco.load_plugins[0] | string | `"k8saudit"` | |
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| k8saudit.falco.load_plugins[1] | string | `"json"` | |
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| k8saudit.falco.log_syslog | bool | `false` | |
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| k8saudit.falco.plugins[0].init_config.maxEventSize | int | `1048576` | |
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| k8saudit.falco.plugins[0].library_path | string | `"libk8saudit.so"` | |
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| k8saudit.falco.plugins[0].name | string | `"k8saudit"` | |
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| k8saudit.falco.plugins[0].open_params | string | `"http://:9765/k8s-audit"` | |
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| k8saudit.falco.plugins[1].init_config | string | `""` | |
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| k8saudit.falco.plugins[1].library_path | string | `"libjson.so"` | |
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| k8saudit.falco.plugins[1].name | string | `"json"` | |
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| k8saudit.falco.rules_file[0] | string | `"/etc/falco/rules.d"` | |
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| k8saudit.falco.syslog_output.enabled | bool | `false` | |
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| k8saudit.falcoctl.artifact.follow.enabled | bool | `false` | |
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| k8saudit.falcoctl.artifact.install.enabled | bool | `false` | |
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| k8saudit.fullnameOverride | string | `"falco-k8saudit"` | |
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| k8saudit.mounts.volumeMounts[0].mountPath | string | `"/etc/falco/rules.d"` | |
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| k8saudit.mounts.volumeMounts[0].name | string | `"rules-volume"` | |
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| k8saudit.mounts.volumes[0].configMap.name | string | `"falco-k8saudit-rules"` | |
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| k8saudit.mounts.volumes[0].name | string | `"rules-volume"` | |
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| k8saudit.nodeSelector."node-role.kubernetes.io/control-plane" | string | `""` | |
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| k8saudit.resources.limits.cpu | string | `"1000m"` | |
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| k8saudit.resources.limits.memory | string | `"512Mi"` | |
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| k8saudit.resources.requests.cpu | string | `"100m"` | |
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| k8saudit.resources.requests.memory | string | `"256Mi"` | |
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| k8saudit.services[0].name | string | `"webhook"` | |
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| k8saudit.services[0].ports[0].port | int | `9765` | |
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| k8saudit.services[0].ports[0].protocol | string | `"TCP"` | |
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----------------------------------------------
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Autogenerated from chart metadata using [helm-docs v1.11.0](https://github.com/norwoodj/helm-docs/releases/v1.11.0)
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@ -20,10 +20,12 @@
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- required_plugin_versions:
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- name: k8saudit
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version: 0.6.0
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version: 0.7.0
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alternatives:
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- name: k8saudit-eks
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version: 0.2.0
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version: 0.4.0
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- name: k8saudit-gke
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version: 0.1.0
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- name: json
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version: 0.7.0
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@ -79,7 +81,45 @@
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"eks:vpc-resource-controller",
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"eks:addon-manager",
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]
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-
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- list: k8s_audit_sensitive_mount_images
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items: [
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falcosecurity/falco, docker.io/falcosecurity/falco, public.ecr.aws/falcosecurity/falco,
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docker.io/sysdig/sysdig, sysdig/sysdig,
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gcr.io/google_containers/hyperkube,
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gcr.io/google_containers/kube-proxy, docker.io/calico/node,
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docker.io/rook/toolbox, docker.io/cloudnativelabs/kube-router, docker.io/consul,
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docker.io/datadog/docker-dd-agent, docker.io/datadog/agent, docker.io/docker/ucp-agent, docker.io/gliderlabs/logspout,
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docker.io/netdata/netdata, docker.io/google/cadvisor, docker.io/prom/node-exporter,
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amazon/amazon-ecs-agent, prom/node-exporter, amazon/cloudwatch-agent
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]
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- list: k8s_audit_privileged_images
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items: [
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falcosecurity/falco, docker.io/falcosecurity/falco, public.ecr.aws/falcosecurity/falco,
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docker.io/calico/node, calico/node,
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docker.io/cloudnativelabs/kube-router,
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docker.io/docker/ucp-agent,
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docker.io/mesosphere/mesos-slave,
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docker.io/rook/toolbox,
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docker.io/sysdig/sysdig,
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gcr.io/google_containers/kube-proxy,
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gcr.io/google-containers/startup-script,
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gcr.io/projectcalico-org/node,
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gke.gcr.io/kube-proxy,
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gke.gcr.io/gke-metadata-server,
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gke.gcr.io/netd-amd64,
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gke.gcr.io/watcher-daemonset,
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gcr.io/google-containers/prometheus-to-sd,
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registry.k8s.io/ip-masq-agent-amd64,
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registry.k8s.io/kube-proxy,
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registry.k8s.io/prometheus-to-sd,
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quay.io/calico/node,
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sysdig/sysdig,
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registry.k8s.io/dns/k8s-dns-node-cache,
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mcr.microsoft.com/oss/kubernetes/kube-proxy
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]
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- rule: Disallowed K8s User
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desc: Detect any k8s operation by users outside of an allowed set of users.
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condition: kevt and non_system_user and not ka.user.name in (allowed_k8s_users) and not ka.user.name in (eks_allowed_k8s_users)
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- rule: Create Privileged Pod
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desc: >
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Detect an attempt to start a pod with a privileged container
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condition: kevt and pod and kcreate and ka.req.pod.containers.privileged intersects (true) and not ka.req.pod.containers.image.repository in (falco_privileged_images)
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condition: kevt and pod and kcreate and ka.req.pod.containers.privileged intersects (true) and not ka.req.pod.containers.image.repository in (k8s_audit_privileged_images)
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output: Pod started with privileged container (user=%ka.user.name pod=%ka.resp.name resource=%ka.target.resource ns=%ka.target.namespace images=%ka.req.pod.containers.image)
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priority: WARNING
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source: k8s_audit
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@ -180,7 +220,7 @@
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desc: >
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Detect an attempt to start a pod with a volume from a sensitive host directory (i.e. /proc).
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Exceptions are made for known trusted images.
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condition: kevt and pod and kcreate and sensitive_vol_mount and not ka.req.pod.containers.image.repository in (falco_sensitive_mount_images)
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condition: kevt and pod and kcreate and sensitive_vol_mount and not ka.req.pod.containers.image.repository in (k8s_audit_sensitive_mount_images)
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output: Pod started with sensitive mount (user=%ka.user.name pod=%ka.resp.name ns=%ka.target.namespace resource=%ka.target.resource images=%ka.req.pod.containers.image volumes=%jevt.value[/requestObject/spec/volumes])
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priority: WARNING
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source: k8s_audit
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@ -188,7 +228,7 @@
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# These container images are allowed to run with hostnetwork=true
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# TODO: Remove k8s.gcr.io reference after 01/Dec/2023
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- list: falco_hostnetwork_images
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- list: k8s_audit_hostnetwork_images
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items: [
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gcr.io/google-containers/prometheus-to-sd,
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gcr.io/projectcalico-org/typha,
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@ -196,8 +236,6 @@
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gke.gcr.io/gke-metadata-server,
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gke.gcr.io/kube-proxy,
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gke.gcr.io/netd-amd64,
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k8s.gcr.io/ip-masq-agent-amd64,
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k8s.gcr.io/prometheus-to-sd,
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registry.k8s.io/ip-masq-agent-amd64,
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registry.k8s.io/prometheus-to-sd
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]
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# Corresponds to K8s CIS Benchmark 1.7.4
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- rule: Create HostNetwork Pod
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desc: Detect an attempt to start a pod using the host network.
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condition: kevt and pod and kcreate and ka.req.pod.host_network intersects (true) and not ka.req.pod.containers.image.repository in (falco_hostnetwork_images)
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condition: kevt and pod and kcreate and ka.req.pod.host_network intersects (true) and not ka.req.pod.containers.image.repository in (k8s_audit_hostnetwork_images)
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output: Pod started using host network (user=%ka.user.name pod=%ka.resp.name resource=%ka.target.resource ns=%ka.target.namespace images=%ka.req.pod.containers.image)
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priority: WARNING
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source: k8s_audit
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tags: [k8s]
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- list: falco_hostpid_images
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- list: k8s_audit_hostpid_images
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items: []
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- rule: Create HostPid Pod
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desc: Detect an attempt to start a pod using the host pid namespace.
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condition: kevt and pod and kcreate and ka.req.pod.host_pid intersects (true) and not ka.req.pod.containers.image.repository in (falco_hostpid_images)
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condition: kevt and pod and kcreate and ka.req.pod.host_pid intersects (true) and not ka.req.pod.containers.image.repository in (k8s_audit_hostpid_images)
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output: Pod started using host pid namespace (user=%ka.user.name pod=%ka.resp.name resource=%ka.target.resource ns=%ka.target.namespace images=%ka.req.pod.containers.image)
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priority: WARNING
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source: k8s_audit
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tags: [k8s]
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- list: falco_hostipc_images
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- list: k8s_audit_hostipc_images
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items: []
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- rule: Create HostIPC Pod
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desc: Detect an attempt to start a pod using the host ipc namespace.
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condition: kevt and pod and kcreate and ka.req.pod.host_ipc intersects (true) and not ka.req.pod.containers.image.repository in (falco_hostipc_images)
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condition: kevt and pod and kcreate and ka.req.pod.host_ipc intersects (true) and not ka.req.pod.containers.image.repository in (k8s_audit_hostipc_images)
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output: Pod started using host ipc namespace (user=%ka.user.name pod=%ka.resp.name resource=%ka.target.resource ns=%ka.target.namespace images=%ka.req.pod.containers.image)
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priority: WARNING
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source: k8s_audit
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source: k8s_audit
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tags: [k8s]
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- macro: user_known_portforward_activities
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condition: (k8s_audit_never_true)
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- rule: port-forward
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desc: >
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Detect any attempt to portforward
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condition: ka.target.subresource in (portforward) and not user_known_portforward_activities
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output: Portforward to pod (user=%ka.user.name pod=%ka.target.name ns=%ka.target.namespace action=%ka.target.subresource )
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priority: NOTICE
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source: k8s_audit
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tags: [k8s]
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- macro: user_known_pod_debug_activities
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condition: (k8s_audit_never_true)
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gke.gcr.io/addon-resizer,
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gke.gcr.io/heapster,
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gke.gcr.io/gke-metadata-server,
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k8s.gcr.io/ip-masq-agent-amd64,
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k8s.gcr.io/kube-apiserver,
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registry.k8s.io/ip-masq-agent-amd64,
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registry.k8s.io/kube-apiserver,
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gke.gcr.io/kube-proxy,
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gke.gcr.io/netd-amd64,
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gke.gcr.io/watcher-daemonset,
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k8s.gcr.io/addon-resizer,
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k8s.gcr.io/prometheus-to-sd,
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k8s.gcr.io/k8s-dns-dnsmasq-nanny-amd64,
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k8s.gcr.io/k8s-dns-kube-dns-amd64,
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k8s.gcr.io/k8s-dns-sidecar-amd64,
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k8s.gcr.io/metrics-server-amd64,
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registry.k8s.io/addon-resizer,
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registry.k8s.io/prometheus-to-sd,
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registry.k8s.io/k8s-dns-dnsmasq-nanny-amd64,
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resources:
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requests:
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cpu: 100m
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memory: 256Mi
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memory: 64Mi
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limits:
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cpu: 1000m
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cpu: 1
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memory: 512Mi
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nodeSelector:
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falcoctl:
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artifact:
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install:
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enabled: false
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follow:
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enabled: false
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# Since 0.37 the plugins are not part of the image anymore
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# but we provide our rules static via our CM
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config:
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artifact:
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allowedTypes:
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- plugin
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install:
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refs: [k8saudit:0.7.0,json:0.7.2]
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services:
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- name: webhook
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enabled: false
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k8saudit:
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enabled: false
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targetRevision: 0.1.0
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targetRevision: 0.1.2
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telemetry:
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enabled: false
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