ESXi Account Granted Admin Role
Detects an ESXi account being granted the Administrator role. Administrator is full control of the host, including the firewall, SSH, accounts, and every virtual machine. Granting it to another account keeps that…
Description
Detects an ESXi account being granted the Administrator role. Administrator is full control of the host, including the firewall, SSH, accounts, and every virtual machine. Granting it to another account keeps that access after the original session ends.
Detection logic
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Detection requirements
- Platform
- ContainersESXiIaaSIdentity ProviderLinuxmacOSNetwork DevicesOffice SuiteSaaSWindows
The rule states no platform. This is derived from the ATT&CK technique it maps to.
- Log source category
- event_index
Known benign triggers
- New virtualization administrators and service accounts are granted Admin during approved account provisioning. Confirm the account name against the identity ticket.
MITRE ATT&CK mappings
0 exclusive techniques.This is coverage no other published rule has; it is not this rule's total technique count.
References
| Reference | Cited by |
|---|---|
| blogs.vmware.com/security/2022/10/esxi-targeting-ransomware-tactics-and-techniques-part-2.html | 25 |
| detect.fyi/vmware-esxi-logging-detection-opportunities-4fb56411ec21 | 25 |
| lolesxi-project.github.io/LOLESXi/# | 25 |
From the source
- At source
- Open at source
- Upstream identifier
- 2e6ec182-2a31-5ff9-8b42-fdcb6f04e4c7
- Tagged by the source as
- Data Source: VMware vSphereDomain: EndpointPlatform: VMware ESXiResources: Investigation GuideRule Type: Custom Query (KQL)Tactic: PersistenceUse Case: Threat Detection
Licence
- Published under
- Elastic License 2.0Read the licence
- Attribution
- Required
Authorship
- Written by
- Published
- Oct 2, 2026
- Version
- 1