Hypervisor Host Deleted

Status: available
Severity: informational
Time window: 1d
Source: github.com/Azure/Azure-Sentinel

Detects when a hypervisor host is deleted from Veeam Backup & Replication. This might indicate unauthorized changes to the virtualization environment.

Rule body

id: 4e41c85f-d495-4a23-a218-41b938140dce
name: Hypervisor Host Deleted
description: Detects when a hypervisor host is deleted from Veeam Backup & Replication.
  This might indicate unauthorized changes to the virtualization environment.
severity: Informational
status: Available
requiredDataConnectors:
- connectorId: Syslog
  dataTypes:
  - Syslog
- connectorId: SyslogAma
  dataTypes:
  - Syslog
queryFrequency: 1d
queryPeriod: 1d
triggerOperator: gt
triggerThreshold: 0
eventGroupingSettings:
  aggregationKind: AlertPerResult
tactics: []
relevantTechniques: []
query: "Veeam_GetSecurityEvents\n| where instanceId == 24070 \n| project\n    Date\
  \ = format_datetime(TimeGenerated, 'dd.MM.yyyy HH:mm'),\n    [\"DataSource\"] =\
  \ original_host,\n    EventId = instanceId,\n    UserName = user,\n  [\"MessageDetails\"\
  ] = Description,\n    Severity = SeverityDescription"
entityMappings:
- entityType: Host
  fieldMappings:
  - identifier: FullName
    columnName: DataSource
version: 1.0.1
kind: Scheduled
customDetails:
  messageDetails: MessageDetails

Stages and Predicates

Stage 1: `source`

Veeam_GetSecurityEvents

Stage 2: `where`

| where instanceId == 24070

Stage 3: `project`

| project
    Date = format_datetime(TimeGenerated, 'dd.MM.yyyy HH:mm'),
    ["DataSource"] = original_host,
    EventId = instanceId,
    UserName = user,
  ["MessageDetails"] = Description,
    Severity = SeverityDescription

Indicators

These rows show field, operator, and value matches.

Field	Kind	Values	Search
`instanceId`	eq	`24070`	`field:"instanceId" kind:eq value:"24070"`

Output fields

These fields are emitted when the rule matches.

Field	Source
`DataSource`	`project`
`Date`	`project`
`EventId`	`project`
`MessageDetails`	`project`
`Severity`	`project`
`UserName`	`project`