Isai
4e3efa0cf0
* [New Rule] Potential Container Escape via Modified notify_on_release File
This rule detects modification of the cgroup notify_on_release file from inside a container. When the notify_on_release
flag is enabled (1) in a cgroup, then whenever the last task in the cgroup exits or attaches to another cgroup, the
command specified in the release_agent file is run and invoked from the host. A privileged container with SYS_ADMIN
capabilities, enables a threat actor to mount a cgroup directory and modify the notify_on_release flag in order to take
advantage of this feature, which could be used for further privilege escalation and container escapes to the host
machine.
* Apply suggestions from code review
* suggestions from code review
Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com>
---------
Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com>
Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com>
(cherry picked from commit 8e1dad0aeb)
rules/
Rules within this folder are organized by solution or platform. The structure is flattened out, because nested file hierarchies are hard to navigate and find what you're looking for. Each directory contains several .toml files, and the primary ATT&CK tactic is included in the file name when it's relevant (i.e. windows/execution_via_compiled_html_file.toml)
| folder | description |
|---|---|
. |
Root directory where rules are stored |
apm/ |
Rules that use Application Performance Monitoring (APM) data sources |
cross-platform/ |
Rules that apply to multiple platforms, such as Windows and Linux |
integrations/ |
Rules organized by Fleet integration |
linux/ |
Rules for Linux or other Unix based operating systems |
macos/ |
Rules for macOS |
ml/ |
Rules that use machine learning jobs (ML) |
network/ |
Rules that use network data sources |
promotions/ |
Rules that promote external alerts into detection engine alerts |
windows/ |
Rules for the Microsoft Windows Operating System |
Integration specific rules are stored in the integrations/ directory:
| folder | integration |
|---|---|
aws/ |
Amazon Web Services (AWS) |
azure/ |
Microsoft Azure |
cyberarkpas/ |
Cyber Ark Privileged Access Security |
endpoint/ |
Elastic Endpoint Security |
gcp/ |
Google Cloud Platform (GCP) |
google_workspace/ |
Google Workspace (formerly GSuite) |
o365/ |
Microsoft Office |
okta/ |
Oka |