ApexOne - Attack Discovery Detection

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Id	7a3193b8-67b7-11ec-90d6-0242ac120003
Rulename	ApexOne - Attack Discovery Detection
Description	Detects Attack Discovery Detection events.
Severity	High
Tactics	InitialAccess
Techniques	T1190
Required data connectors	CefAma
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/Trend Micro Apex One/Analytic Rules/TMApexOneAttackDiscoveryDetectionRisks.yaml
Version	1.0.3
Arm template	7a3193b8-67b7-11ec-90d6-0242ac120003.json

KQL

TMApexOneEvent
| where EventMessage has "Attack Discovery Detection"
| extend IPCustomEntity = SrcIpAddr, AccountCustomEntity = DstUserName

YAML

kind: Scheduled
severity: High
status: Available
tactics:
- InitialAccess
entityMappings:
- fieldMappings:
  - columnName: IPCustomEntity
    identifier: Address
  entityType: IP
- fieldMappings:
  - columnName: AccountCustomEntity
    identifier: Name
  entityType: Account
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Trend Micro Apex One/Analytic Rules/TMApexOneAttackDiscoveryDetectionRisks.yaml
triggerOperator: gt
triggerThreshold: 0
queryPeriod: 1h
query: |
  TMApexOneEvent
  | where EventMessage has "Attack Discovery Detection"
  | extend IPCustomEntity = SrcIpAddr, AccountCustomEntity = DstUserName  
description: |
    'Detects Attack Discovery Detection events.'
queryFrequency: 1h
requiredDataConnectors:
- dataTypes:
  - CommonSecurityLog
  connectorId: CefAma
version: 1.0.3
name: ApexOne - Attack Discovery Detection
id: 7a3193b8-67b7-11ec-90d6-0242ac120003
relevantTechniques:
- T1190

ARM