Attempt to Delete Backup Failed

Status: available
Severity: high
Time window: 5m
Source: github.com/Azure/Azure-Sentinel

Detects failed backup operations. This might indicate system or storage issues, or a potential sabotage of the backup infrastructure.

Rule body

id: 4595192f-671b-4724-aa62-093a9724c2f3
name: Attempt to Delete Backup Failed
description: Detects failed backup operations. This might indicate system or storage
  issues, or a potential sabotage of the backup infrastructure.
severity: High
status: Available
requiredDataConnectors:
- connectorId: Syslog
  dataTypes:
  - Syslog
- connectorId: SyslogAma
  dataTypes:
  - Syslog
queryFrequency: 5m
queryPeriod: 5m
triggerOperator: gt
triggerThreshold: 0
eventGroupingSettings:
  aggregationKind: AlertPerResult
tactics: []
relevantTechniques: []
query: "Veeam_GetSecurityEvents\n| where instanceId == 41800\n| extend Endpoint =\
  \ extract(\"param2=\\\"([^\\\"]*)\\\"\", 1, SyslogMessage)\n| project\n    Date\
  \ = format_datetime(TimeGenerated, 'dd.MM.yyyy HH:mm'),\n    DataSource = original_host,\n\
  \    EventId = instanceId,\n    [\"User Name\"] = user,\n    [\"Endpoint\"] = Endpoint,\n\
  \    MessageDetails = Description,\n   Severity = SeverityDescription"
version: 1.0.1
kind: Scheduled
customDetails:
  Date: Date
  VbrHostName: DataSource
  EventId: EventId
  MessageDetails: MessageDetails
  Severity: Severity

Stages and Predicates

Stage 1: `source`

Veeam_GetSecurityEvents

Stage 2: `where`

| where instanceId == 41800

Stage 3: `extend`

| extend Endpoint = extract("param2=\"([^\"]*)\"", 1, SyslogMessage)

Stage 4: `project`

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

Indicators

These rows show field, operator, and value matches.

Field	Kind	Values	Search
`instanceId`	eq	`41800`	`field:"instanceId" kind:eq value:"41800"`

Output fields

These fields are emitted when the rule matches.

Field	Source
`DataSource`	`project`
`Date`	`project`
`Endpoint`	`project`
`EventId`	`project`
`MessageDetails`	`project`
`Severity`	`project`
`User Name`	`project`

Attempt to Delete Backup Failed

Rule body

Stages and Predicates

Stage 1: source

Stage 2: where