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

OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/VMWareESXi/Analytic Rules/ESXiRootPasswordChange.yaml
queryPeriod: 10m
version: 1.0.0
entityMappings:
- fieldMappings:
  - identifier: Address
    columnName: SrcIpAddr
  entityType: IP
relevantTechniques:
- T1078
- T1098
- T1556
queryFrequency: 10m
triggerOperator: gt
kind: Scheduled
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)  
id: 17b0ea43-5aeb-4dc4-ac3a-be84acb8d5b7
tactics:
- InitialAccess
- Persistence
- DefenseEvasion
status: Available
requiredDataConnectors:
- connectorId: SyslogAma
  datatypes:
  - Syslog
triggerThreshold: 0
name: VMware ESXi - Root password changed
severity: High
description: |
    'Detects when root user password is changed.'

ARM