Employee account deleted

Status: available
Severity: medium
Time window: 1h
Source: github.com/Azure/Azure-Sentinel

'This rule will monitor for any employee accounts being deleted. Deleting an employee account can have a big potential impact as all of the data for that user will be removed.'

MITRE ATT&CK coverage

Tactic	Techniques
Impact	`T1485` Data Destruction

Rule body

id: 8a2cc466-342d-4ebb-8871-f9e1d83a24a5
name: Employee account deleted
description: |
  'This rule will monitor for any employee accounts being deleted.
  Deleting an employee account can have a big potential impact as all of the data for that user will be removed.'
severity: Medium
status: Available
requiredDataConnectors:
  - connectorId: LastPass
    dataTypes:
      - LastPassNativePoller_CL
queryFrequency: 1h
queryPeriod: 1h
triggerOperator: gt
triggerThreshold: 0
eventGroupingSettings:
  aggregationKind: AlertPerResult
tactics:
  - Impact
relevantTechniques:
 - T1485
query: |
  LastPassNativePoller_CL
  | where Action_s == "Employee Account Deleted" or Action_s == "Remove User From Company"
  | extend AccountCustomEntity = Username_s, IPCustomEntity = IP_Address_s
entityMappings:
  - entityType: Account
    fieldMappings:
      - identifier: Name
        columnName: AccountCustomEntity
  - entityType: IP
    fieldMappings:
      - identifier: Address
        columnName: IPCustomEntity
version: 1.0.0
kind: Scheduled

Stages and Predicates

Stage 1: `source`

LastPassNativePoller_CL

Stage 2: `where`

| where Action_s == "Employee Account Deleted" or Action_s == "Remove User From Company"

Stage 3: `extend`

| extend AccountCustomEntity = Username_s, IPCustomEntity = IP_Address_s

Indicators

These rows show field, operator, and value matches.

Field	Kind	Values	Search
`Action_s`	eq	`Employee Account Deleted` `Remove User From Company`	`field:"Action_s" kind:eq`

Output fields

These fields are emitted when the rule matches.

Field	Source
`AccountCustomEntity`	`extend`
`IPCustomEntity`	`extend`