AN0613: Analytic 0613
Detection of Linux container escape attempts via syscalls (`unshare`, `keyctl`, `mount`) or process execution outside container namespaces. Defenders may correlate unusual system calls from containerized processes with subsequent process creation on the host or modification of host resources.
Analyst context for executives and security teams
This analytic matters because a successful Linux container escape can turn an isolated workload issue into a host-level incident. For executives and security leaders, the decision value is whether container monitoring can show when a process inside a container attempts namespace, keyring, or mount-related behavior and whether the SOC can connect that activity to process creation or host resource changes outside the expected container boundary.
Executive priority
Prioritize this as a control-validation topic for Linux container environments where workload isolation supports business continuity, compliance evidence, or operational resilience. Leaders should ask whether container-to-host escape indicators are observable, retained, and actionable in incident response, especially around syscall activity and host-side process or resource changes. Because no ATT&CK tactic or relationship context is supplied, treat this as a detection engineering and readiness validation item rather than a standalone risk assertion.
Technical view
Validate visibility for Linux containerized processes making unusual syscalls named in the object: unshare, keyctl, and mount. Detection engineering should correlate those events with subsequent process creation on the host or modification of host resources. IR teams should confirm they can distinguish expected container runtime behavior from suspicious process execution outside container namespaces. The official object does not provide a detection implementation, so local baselining and environment-specific tuning are required.
Likely telemetry
- Linux syscall telemetry for unshare, keyctl, and mount
- Container process execution context and namespace metadata
- Host process creation events following container-origin activity
- Host resource modification events potentially linked to containerized processes
- Container runtime or workload context sufficient to identify whether a process is inside or outside expected namespaces
Detection direction
- Confirm that Linux container syscall activity is collected with enough context to identify the originating containerized process.
- Correlate unusual syscalls from containerized processes with host process creation or host resource modification, as described by the official analytic.
- Tune for legitimate container runtime, orchestration, administrative, and maintenance activity to reduce false positives.
- Validate whether alerts preserve namespace and container context; without it, analysts may be unable to separate normal workload behavior from escape indicators.
- Document coverage gaps because the official ATT&CK object provides no detailed detection logic and no tactic mapping.
Mitigation priorities
- First, verify monitoring coverage for Linux container workloads and host-level process/resource events.
- Next, ensure incident response procedures can quickly determine whether activity crossed expected container namespace boundaries.
- Then, use the findings to prioritize container hardening, least-privilege runtime configuration, and host isolation reviews where local evidence shows exposure.
- Maintain audit-ready evidence of telemetry coverage, alert logic, and response playbooks for container escape investigations.
Analyst notes and limits
This take is based only on the supplied ATT&CK analytic fields. The object identifies Linux container escape detection via selected syscalls and correlation to host-side process or resource activity. No relationships, tactics, aliases, or official detection content were supplied, so any production detection must be derived and tested locally.
No active exploitation, threat actor attribution, impact, or guaranteed detection coverage is stated or implied. The supplied object is limited to Linux and does not provide detailed detection logic, data source mappings, or relationship context.
Analytic 0613
Detection of Linux container escape attempts via syscalls (`unshare`, `keyctl`, `mount`) or process execution outside container namespaces. Defenders may correlate unusual system calls from containerized processes with subsequent process creation on the host or modification of host resources.
How security teams should use this page
Treat this object as behavior context, not an attribution claim. Validate the related groups, software, data sources, and mitigations against official ATT&CK relationships and your own telemetry before making control-coverage decisions.
All related ATT&CK context
No relationships are available in the current normalized data for this object.
Object version and sync metadata
The fields below describe the current mirrored snapshot. When Glexia retains multiple ATT&CK source imports, you can open the table to compare the same object across releases (hashes and MITRE timestamps). For MITRE’s own release notes and roadmap, see ATT&CK resources — Updates .
Imported snapshots across ATT&CK releases (1)
| Release | Bundle imported | Object version | Modified | Status | Raw hash |
|---|---|---|---|---|---|
| 19.1 | 1.0 | Current bundle | c5a3665cfbab… |
Mirrored ATT&CK source object
The raw object is retained through the mirrored ATT&CK source bundle and object hash. The raw endpoint returns the exact object from the mirrored bundle when available.
External references and citations
MITRE external references are preserved separately from Glexia analysis so citations remain traceable to their original source records.
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mitre-attack AN0613Open source URL
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