AN0044: Analytic 0044
Detects snapshots or data stored in VMFS volumes from root CLI or remote agents.
Analyst context for executives and security teams
This analytic matters because ESXi VMFS volumes can hold high-value virtual machine data and snapshots that affect recovery, continuity, and evidence preservation. Activity involving snapshots or stored data from root CLI sessions or remote agents should prompt leaders to ask whether virtualization administration is monitored well enough to distinguish authorized maintenance from risky or suspicious access.
Executive priority
Prioritize this as a virtualization and resilience control-validation item. The business question is whether ESXi administrative activity against VMFS data is visible, attributable, and reviewable during normal operations and incidents. It supports incident decision-making, audit evidence for privileged administration, and recovery readiness, but the supplied ATT&CK object does not identify a tactic, threat actor, or specific impact scenario.
Technical view
For SOC, detection engineering, and IR teams, validate whether ESXi environments produce usable evidence for root CLI activity, remote agent activity, snapshot operations, and access to data stored in VMFS volumes. Because the official detection text is not provided, teams should treat AN0044 as a detection objective rather than a complete rule: confirm data sources, define authorized administrative patterns, and test whether VMFS snapshot/data access can be correlated to a user, host, tool, change ticket, or remote management source.
Likely telemetry
- ESXi host logs showing root CLI sessions or privileged command activity
- Remote management or agent logs interacting with ESXi hosts
- VMFS volume access or file-operation evidence where available
- Snapshot creation, modification, enumeration, or access records
- Authentication and session records for ESXi administrative access
Detection direction
- Baseline legitimate ESXi root CLI and remote agent activity before alerting broadly, because virtualization maintenance can be noisy and business-critical.
- Validate that snapshot and VMFS data-access events can be tied to an accountable administrator or service identity.
- Correlate ESXi host activity with authentication, remote management, and approved change records to reduce false positives.
- Identify blind spots where ESXi logs are not forwarded, root access is shared, remote agents are not inventoried, or VMFS file activity is not retained.
- Use this analytic as a coverage test for ESXi visibility rather than as a finished detection rule, since the official detection logic is not supplied.
Mitigation priorities
- Restrict and review privileged ESXi root access, favoring accountable administrative workflows where feasible.
- Inventory and govern remote agents or management tools that can interact with ESXi hosts and VMFS volumes.
- Ensure ESXi logging and relevant administrative telemetry are forwarded to central monitoring with retention suitable for incident response.
- Align snapshot and VMFS access monitoring with backup, recovery, and change-management processes.
- Periodically test whether SOC and IR teams can reconstruct who accessed snapshots or VMFS data and when.
Analyst notes and limits
AN0044 is an ATT&CK detection analytic for the ESXi platform. Its value is in focusing defensive validation on privileged interaction with snapshots or VMFS-resident data from root CLI or remote agents. No relationship context, tactic mapping, or official detection logic was supplied, so local environment baselines and ESXi logging capability will determine practical coverage.
This take is limited to the supplied STIX fields and external reference. It does not infer adversary behavior, active exploitation, impact, or guaranteed detection coverage. The ATT&CK object does not provide tactics, relationships, or detection implementation details.
Analytic 0044
Detects snapshots or data stored in VMFS volumes from root CLI or remote agents.
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 | 8af80c6085b4… |
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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[1]
mitre-attack AN0044Open source URL
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