VMware ESXi - Root password changed

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Id	17b0ea43-5aeb-4dc4-ac3a-be84acb8d5b7
Rulename	VMware ESXi - Root password changed
Description	Detects when root user password is changed.
Severity	High
Tactics	InitialAccess Persistence DefenseEvasion
Techniques	T1078 T1098 T1556
Required data connectors	SyslogAma
Kind	Scheduled
Query frequency	10m
Query period	10m
Trigger threshold	0
Trigger operator	gt
Source Uri	https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/VMWareESXi/Analytic Rules/ESXiRootPasswordChange.yaml
Version	1.0.0
Arm template	17b0ea43-5aeb-4dc4-ac3a-be84acb8d5b7.json

KQL

VMwareESXi
| where SyslogMessage has_any ("password changed for root","Password was changed for account root")
| extend SrcIpAddr = extract(@'root@(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})', 1, SyslogMessage)

YAML

version: 1.0.0
severity: High
query: |
  VMwareESXi
  | where SyslogMessage has_any ("password changed for root","Password was changed for account root")
  | extend SrcIpAddr = extract(@'root@(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})', 1, SyslogMessage)  
queryPeriod: 10m
status: Available
kind: Scheduled
tactics:
- InitialAccess
- Persistence
- DefenseEvasion
triggerOperator: gt
queryFrequency: 10m
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/VMWareESXi/Analytic Rules/ESXiRootPasswordChange.yaml
entityMappings:
- fieldMappings:
  - columnName: SrcIpAddr
    identifier: Address
  entityType: IP
name: VMware ESXi - Root password changed
triggerThreshold: 0
description: |
    'Detects when root user password is changed.'
id: 17b0ea43-5aeb-4dc4-ac3a-be84acb8d5b7
relevantTechniques:
- T1078
- T1098
- T1556
requiredDataConnectors:
- connectorId: SyslogAma
  datatypes:
  - Syslog

ARM