CyberArkEPM - Possible execution of Powershell Empire

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Id	eddfd1fd-71df-4cc3-b050-287643bee398
Rulename	CyberArkEPM - Possible execution of Powershell Empire
Description	Detects possible execution of Powershell Empire.
Severity	High
Tactics	Execution
Techniques	T1204
Required data connectors	CyberArkEPM
Kind	Scheduled
Query frequency	10m
Query period	10m
Trigger threshold	0
Trigger operator	gt
Source Uri	https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/CyberArkEPM/Analytic Rules/CyberArkEPMPossibleExecutionOfPowershellEmpire.yaml
Version	1.0.0
Arm template	eddfd1fd-71df-4cc3-b050-287643bee398.json

KQL

CyberArkEPM
| where EventSubType != 'AttackAttempt'
| where ActingProcessCommandLine has_any ('-NoP -sta -NonI -W Hidden -Enc', '-noP -sta -w 1 -enc', '-NoP -NonI -W Hidden -enc')
| extend AccountCustomEntity = ActorUsername

YAML

relevantTechniques:
- T1204
entityMappings:
- fieldMappings:
  - columnName: AccountCustomEntity
    identifier: Name
  entityType: Account
triggerThreshold: 0
description: |
    'Detects possible execution of Powershell Empire.'
requiredDataConnectors:
- connectorId: CyberArkEPM
  dataTypes:
  - CyberArkEPM
triggerOperator: gt
version: 1.0.0
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/CyberArkEPM/Analytic Rules/CyberArkEPMPossibleExecutionOfPowershellEmpire.yaml
id: eddfd1fd-71df-4cc3-b050-287643bee398
queryFrequency: 10m
query: |
  CyberArkEPM
  | where EventSubType != 'AttackAttempt'
  | where ActingProcessCommandLine has_any ('-NoP -sta -NonI -W Hidden -Enc', '-noP -sta -w 1 -enc', '-NoP -NonI -W Hidden -enc')
  | extend AccountCustomEntity = ActorUsername  
severity: High
queryPeriod: 10m
name: CyberArkEPM - Possible execution of Powershell Empire
tactics:
- Execution
kind: Scheduled

ARM