AN0539: Analytic 0539
Use of `esxcli storage` or `vim-cmd vmsvc/getallvms` by unusual sessions or through interactive shells unrelated to administrative maintenance tasks.
Analyst context for executives and security teams
This analytic matters because ESXi hosts often sit underneath critical business services. Unusual use of ESXi management commands that enumerate storage or virtual machines can be an early indicator that someone is inspecting the virtualization layer outside normal maintenance activity. For leaders, the value is not the command names themselves; it is whether the organization can distinguish approved hypervisor administration from suspicious interactive activity quickly enough to support incident decisions.
Executive priority
Prioritize this as a virtualization monitoring and operational resilience question: do security and infrastructure teams have evidence of who accessed ESXi, from where, through what session type, and whether the activity matched an approved maintenance window or change record? Coverage should be treated as part of incident readiness, compliance evidence for privileged administration, and business continuity protection for systems dependent on ESXi.
Technical view
Validate monitoring for ESXi activity involving `esxcli storage` and `vim-cmd vmsvc/getallvms`, especially when executed by unusual sessions or interactive shells unrelated to administrative maintenance. Because no official detection logic is supplied, teams should define local baselines for expected ESXi administrators, jump hosts, session types, maintenance windows, and routine command usage. SOC and IR teams should correlate command execution with authentication records, remote access paths, change-management tickets, and host administration activity.
Likely telemetry
- ESXi shell or command execution logs showing use of `esxcli storage`
- ESXi shell or command execution logs showing use of `vim-cmd vmsvc/getallvms`
- ESXi authentication and session records
- Administrative access logs from approved management paths or jump hosts
- Change-management or maintenance-window records for ESXi administration
Detection direction
- Baseline normal ESXi administrative users, source systems, session types, and maintenance periods before alerting on command use alone.
- Alert or review when these commands are run from unusual sessions, unexpected sources, or interactive shells not tied to approved maintenance.
- Correlate command activity with authentication and change records to reduce false positives from legitimate storage or VM inventory work.
- Treat lack of ESXi command/session telemetry as a material blind spot; the analytic depends on being able to observe both command use and session context.
- Because no tactic or relationship context is supplied, avoid over-scoping the alert to a specific ATT&CK phase without local evidence.
Mitigation priorities
- Restrict ESXi administrative access to approved personnel and management paths.
- Require documented maintenance activity for routine hypervisor administration where operationally feasible.
- Review whether privileged ESXi access is logged with enough detail to support investigation.
- Ensure SOC and infrastructure teams have an escalation path for unusual hypervisor administration events.
- Periodically test whether ESXi command/session evidence is retained and searchable for incident response.
Analyst notes and limits
The supplied ATT&CK object is a detection analytic for ESXi command usage, not a full technique description. Its practical value is in validating privileged hypervisor monitoring and separating expected maintenance from suspicious interactive activity.
Official detection logic, tactics, relationships, and aliases were not supplied. Conclusions should be validated against local ESXi architecture, logging configuration, administrator workflows, and change-management practices.
Analytic 0539
Use of `esxcli storage` or `vim-cmd vmsvc/getallvms` by unusual sessions or through interactive shells unrelated to administrative maintenance tasks.
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 | d2275b72e0c9… |
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 AN0539Open source URL
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