osquery-defense-kit/detection/privesc/unexpected-privileged-conta...

44 lines
1.2 KiB
SQL

-- Detect the execution of priveleged Docker containers which can be used to escape to the host.
--
-- references:
-- * https://attack.mitre.org/techniques/T1611/
--
-- false-positives:
-- * Nested Kubernetes Environments
-- * Containerized builds
--
-- This query works on macOS as well, but is only an in-the-wild security problem on Linux,
-- where the kernel namespaces can be shared. These kind of attacks tend to be
--
-- platform: linux
-- tags: transient state container escalation
SELECT
command,
image_id,
path,
security_options,
started_at,
image,
COALESCE(REGEX_MATCH (image, '(.*?):', 1), image) AS image_name
FROM
docker_containers
WHERE
privileged = 1
AND image_name NOT IN (
'cgr.dev/chainguard/melange',
'cgr.dev/chainguard/sdk',
'cgr.dev/chainguard/wolfi-base',
'distroless.dev/melange',
'docker.io/rancher/k3s',
'gcr.io/k8s-minikube/kicbase',
'ghcr.io/wolfi-dev/sdk',
'kindest/node',
-- blame k3d/k3s for this
'docker.io/library/registry',
'moby/buildkit',
'wolfi'
)
AND image NOT LIKE 'ghcr.io/k3d-io/k3d-%'
AND image NOT LIKE 'melange-%'
AND command NOT LIKE '/usr/bin/melange build %'