Sentinel One - Multiple alerts on host

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Id	47e427e6-61bc-4e24-8d16-a12871b9f939
Rulename	Sentinel One - Multiple alerts on host
Description	Detects when multiple alerts received from same host.
Severity	High
Tactics	InitialAccess
Techniques	T1190
Required data connectors	SentinelOne
Kind	Scheduled
Query frequency	1h
Query period	1h
Trigger threshold	0
Trigger operator	gt
Source Uri	https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/SentinelOne/Analytic Rules/SentinelOneMultipleAlertsOnHost.yaml
Version	1.0.2
Arm template	47e427e6-61bc-4e24-8d16-a12871b9f939.json

KQL

SentinelOne
| where ActivityType == 3608
| extend RuleName = extract(@'Custom Rule:\s(.*?)\sin Group', 1, EventOriginalMessage)
| extend DstHostname = extract(@'detected on\s(\S+)\.', 1, EventOriginalMessage)
| summarize count() by DstHostname, bin(TimeGenerated, 15m)
| where count_ > 1
| extend HostCustomEntity = DstHostname

YAML

OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/SentinelOne/Analytic Rules/SentinelOneMultipleAlertsOnHost.yaml
queryPeriod: 1h
version: 1.0.2
entityMappings:
- fieldMappings:
  - identifier: HostName
    columnName: HostCustomEntity
  entityType: Host
relevantTechniques:
- T1190
queryFrequency: 1h
triggerOperator: gt
kind: Scheduled
query: |
  SentinelOne
  | where ActivityType == 3608
  | extend RuleName = extract(@'Custom Rule:\s(.*?)\sin Group', 1, EventOriginalMessage)
  | extend DstHostname = extract(@'detected on\s(\S+)\.', 1, EventOriginalMessage)
  | summarize count() by DstHostname, bin(TimeGenerated, 15m)
  | where count_ > 1
  | extend HostCustomEntity = DstHostname  
id: 47e427e6-61bc-4e24-8d16-a12871b9f939
tactics:
- InitialAccess
status: Available
requiredDataConnectors:
- connectorId: SentinelOne
  dataTypes:
  - SentinelOne
triggerThreshold: 0
name: Sentinel One - Multiple alerts on host
severity: High
description: |
    'Detects when multiple alerts received from same host.'

ARM