Sentinel One - Agent uninstalled from multiple hosts

Status: available
Severity: high
Time window: 30m
Group by: DataComputerName
Source: github.com/Azure/Azure-Sentinel

'Detects when agent was uninstalled from multiple hosts.'

MITRE ATT&CK coverage

Tactic	Techniques
Stealth	`T1070` Indicator Removal

Rule body

id: 4ad87e4a-d045-4c6b-9652-c9de27fcb442
name: Sentinel One - Agent uninstalled from multiple hosts
description: |
  'Detects when agent was uninstalled from multiple hosts.'
severity: High
status: Available
requiredDataConnectors:
  - connectorId: SentinelOne
    dataTypes:
      - SentinelOne
queryFrequency: 1h
queryPeriod: 1h
triggerOperator: gt
triggerThreshold: 0
tactics:
  - DefenseEvasion
relevantTechniques:
  - T1070
query: | 
  SentinelOne
  | where ActivityType == 51
  | summarize count() by DataComputerName, bin(TimeGenerated, 30m)
  | where count_ > 1
entityMappings:
  - entityType: Host
    fieldMappings:
      - identifier: HostName
        columnName: DataComputerName
version: 1.0.2
kind: Scheduled

Stages and Predicates

Stage 1: `source`

SentinelOne

Stage 2: `where`

| where ActivityType == 51

Stage 3: `summarize`

| summarize count() by DataComputerName, bin(TimeGenerated, 30m)

Stage 4: `where`

| where count_ > 1

Indicators

These rows show field, operator, and value matches.

Field	Kind	Values	Search
`ActivityType`	eq	`51`	`field:"ActivityType" kind:eq value:"51"`
`count_`	gt	`1`	`field:"count_" kind:gt value:"1"`

Output fields

These fields are emitted when the rule matches.

Field	Source
`DataComputerName`	`summarize`

Sentinel One - Agent uninstalled from multiple hosts

MITRE ATT&CK coverage

Rule body

Stages and Predicates

Stage 1: source

Stage 2: where

Stage 3: summarize

Stage 4: where

Indicators

Output fields

Stage 1: `source`

Stage 2: `where`

Stage 3: `summarize`

Stage 4: `where`