adding an event on rule exfiltrating artifacts via kubernetes control plane with the utility of creating kind cluster

[h4l0gen]

What type of PR is this?

Uncomment one (or more) /kind <> lines:

/kind bug

/kind cleanup

/kind documentation

/kind tests

/kind feature

Any specific area of the project related to this PR?

Uncomment one (or more) /area <> lines:

/area commands

/area pkg

/area events

What this PR does / why we need it:

Which issue(s) this PR fixes:

Fixes #192

Special notes for your reviewer:

[poiana]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: h4l0gen
Once this PR has been reviewed and has the lgtm label, please assign fededp for approval. For more information see the Kubernetes Code Review Process.

The full list of commands accepted by this bot can be found here.

Needs approval from an approver in each of these files:

• OWNERS

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

[h4l0gen]

This PR involves the following steps:

• First, it creates a kind cluster and places the kubeconfig file in the Host's /tmp directory.
• Next, it calls the waitForClusterReadiness function to ensure that the cluster is fully prepared.
• Then, it creates a test pod and a test container inside it, after creating a new default service account. A new function called newTestPod is defined, which specifies the configuration for the test container. Initially, it creates the /tmp/created-by-event-generator.txt file, which will be copied using kubectl cp later.
• Following that, it calls verifyPodAndContainerRunning to verify that the pod and container are fully prepared and operational.

For cleanup:

• Initially, it calls deleteTestPod.
• Finally, it deletes the kind cluster by calling deleteKindCluster.

I've separated the above setup from the event as it can be reused (as a utility).
Finally, in event ExfiltratingArtifactsViaKubernetesControlPlane:

createKindCluster
waitForClusterReadiness
createTestPod
copyFileFromContainer
deleteTestPod
deleteKindCluster

Functions are called in sequence. copyFileFromContainer runs the kubectl cp command and deletes the copied file in the host's /tmp directory.

[h4l0gen]

Rule triggered successfully

[h4l0gen]

@leogr @FedeDP @jasondellaluce PTAL at this PR and provide me your valuable feedback. Thank you :)

[poiana]

Issues go stale after 90d of inactivity.

Mark the issue as fresh with /remove-lifecycle stale.

Stale issues rot after an additional 30d of inactivity and eventually close.

If this issue is safe to close now please do so with /close.

Provide feedback via https://github.com/falcosecurity/community.

/lifecycle stale

[leogr]

/remove-lifecycle stale