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macOS post-exploitation for credential harvesting, DTrace monitoring, TCC bypass, and stealth operations via native tools
Windows userland post-exploitation for credential harvesting, monitoring, AMSI/ETW bypass, and stealth operations
Kubernetes post-exploitation for container escape, secret extraction, RBAC abuse, and cluster persistence
Based on SOC occupation classification
Showing SKILL.md
| name | cis-ocp-vm-v100-3-2 |
| description | Disable Shareable disks (Automated) |
| category | cis-openshift-virtualization |
| version | 1.0 |
| author | cyberstrike-official |
| tags | ["cis","openshift","kubernetes","openshift-virtualization","kubevirt","vm","storage-components"] |
| cis_id | 3.2 |
| cis_benchmark | CIS Redhat OpenShift Virtual Machine Extension Benchmark v1.0.0 |
| tech_stack | ["kubernetes","openshift","openshift-virtualization","kubevirt"] |
| cwe_ids | [] |
| chains_with | [] |
| prerequisites | [] |
| severity_boost | {} |
Sharable disks are shared between VMs, and they can be used only if a filesystem installed on top of it is a cluster-file system or the application using the device is distributed and cloud aware. Their wrong usage might cause data corruption.
Sharing system resources increases the risk of unauthorized access to data, manipulation of data flow restrictions, and could lead to corruption and data loss.
Sharable disks are one means of sharing data between workloads, which cannot be used if this feature is avoided.
Inspect virtual machine volumes and ensure the shareable flag is not set to true:
$ oc get vm -ojson -A | jq '.items[] | select(.spec.template.spec.domain.devices.disks[].shareable == true)| .metadata.namespace + "/" + .metadata.name'
Remove the shareable flag from any diskwhere it is found. For example, to remove the shareable flag on the first disk (index 0) of a given VM, this command can be used:
$ oc patch vm <vm-name> --type='json' -p='[
{"op": "remove", "path": "/spec/template/spec/domain/devices/disks/0/shareable"},
]'
To set a shareable flag to false on every disk, this (experimental) command can be used:
$ oc get vm <vm-name> -o json | jq '.spec.template.spec.domain.devices.disks[] += {"shareable":false}' | oc apply -f -
Shareable disks are not enabled by default. The command should return an empty list.
None listed in the PDF.
| Controls Version | Control | IG 1 | IG 2 | IG 3 |
|---|---|---|---|---|
| v8 | 4.8 Uninstall or Disable Unnecessary Services on Enterprise Assets and Software | N | Y | Y |
| v7 | 9.2 Ensure Only Approved Ports, Protocols and Services Are Running | N | Y | Y |
| Tactic | Technique |
|---|---|
| Collection | T1530 - Data from Cloud Storage |
| Impact | T1485 - Data Destruction |