Microsoft Sentinel Analytic Rules
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VMware ESXi - SSH Enable on ESXi Host

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Id4f5b5d79-ff4e-4edd-ae3e-9e1187f0b924
RulenameVMware ESXi - SSH Enable on ESXi Host
DescriptionDetects when vim-cmd is used to enable SSH on an ESXi host
SeverityHigh
TacticsLateralMovement
TechniquesT1021
Required data connectorsSyslogAma
KindScheduled
Query frequency10m
Query period10m
Trigger threshold0
Trigger operatorgt
Source Urihttps://github.com/Azure/Azure-Sentinel/blob/master/Solutions/VMWareESXi/Analytic Rules/ESXiSSHEnableOnHost.yaml
Version1.0.0
Arm template4f5b5d79-ff4e-4edd-ae3e-9e1187f0b924.json
Deploy To Azure
VMwareESXi
| where SyslogMessage has_all ("vim-cmd","hostsvc/enable_ssh")
| extend SrcUsername = extract(@'\[info\]\s+\[(.*?)\]', 1, SyslogMessage)
| extend DstHostname = extract(@'\[\d+\]\s+\[(.*?)\s+on', 1, SyslogMessage)
description: |
    'Detects when vim-cmd is used to enable SSH on an ESXi host'
kind: Scheduled
tactics:
- LateralMovement
requiredDataConnectors:
- connectorId: SyslogAma
  datatypes:
  - Syslog
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/VMWareESXi/Analytic Rules/ESXiSSHEnableOnHost.yaml
severity: High
name: VMware ESXi - SSH Enable on ESXi Host
triggerThreshold: 0
queryPeriod: 10m
query: |
  VMwareESXi
  | where SyslogMessage has_all ("vim-cmd","hostsvc/enable_ssh")
  | extend SrcUsername = extract(@'\[info\]\s+\[(.*?)\]', 1, SyslogMessage)
  | extend DstHostname = extract(@'\[\d+\]\s+\[(.*?)\s+on', 1, SyslogMessage)  
relevantTechniques:
- T1021
id: 4f5b5d79-ff4e-4edd-ae3e-9e1187f0b924
queryFrequency: 10m
status: Available
triggerOperator: gt
version: 1.0.0
entityMappings:
- entityType: Host
  fieldMappings:
  - columnName: DstHostname
    identifier: FullName
- entityType: Account
  fieldMappings:
  - columnName: SrcUsername
    identifier: Name