VMware ESXi - VM stopped

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Id	43889f30-7bce-4d8a-93bb-29c9615ca8dd
Rulename	VMware ESXi - VM stopped
Description	Detects when VM was stopped.
Severity	Medium
Tactics	Impact
Techniques	T1529
Required data connectors	SyslogAma
Kind	Scheduled
Query frequency	1h
Query period	1h
Trigger threshold	0
Trigger operator	gt
Source Uri	https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/VMWareESXi/Analytic Rules/ESXiVMStopped.yaml
Version	1.0.2
Arm template	43889f30-7bce-4d8a-93bb-29c9615ca8dd.json

KQL

VMwareESXi
| where SyslogMessage has ('VmPoweredOffEvent')
| extend SrcUsername = extract(@'\[info\]\s+\[(.*?)\]', 1, SyslogMessage)
| extend DstHostname = extract(@'\[\d+\]\s+\[(.*?)\s+on', 1, SyslogMessage)
| extend HostCustomEntity = DstHostname, AccountCustomEntity = SrcUsername

YAML

name: VMware ESXi - VM stopped
id: 43889f30-7bce-4d8a-93bb-29c9615ca8dd
description: |
    'Detects when VM was stopped.'
triggerThreshold: 0
entityMappings:
- fieldMappings:
  - columnName: HostCustomEntity
    identifier: FullName
  entityType: Host
- fieldMappings:
  - columnName: AccountCustomEntity
    identifier: Name
  entityType: Account
version: 1.0.2
triggerOperator: gt
query: |
  VMwareESXi
  | where SyslogMessage has ('VmPoweredOffEvent')
  | extend SrcUsername = extract(@'\[info\]\s+\[(.*?)\]', 1, SyslogMessage)
  | extend DstHostname = extract(@'\[\d+\]\s+\[(.*?)\s+on', 1, SyslogMessage)
  | extend HostCustomEntity = DstHostname, AccountCustomEntity = SrcUsername  
tactics:
- Impact
kind: Scheduled
queryFrequency: 1h
severity: Medium
queryPeriod: 1h
requiredDataConnectors:
- datatypes:
  - Syslog
  connectorId: SyslogAma
status: Available
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/VMWareESXi/Analytic Rules/ESXiVMStopped.yaml
relevantTechniques:
- T1529

ARM