CyberArkEPM - Possible execution of Powershell Empire

Back


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

description: |
    'Detects possible execution of Powershell Empire.'
kind: Scheduled
tactics:
- Execution
requiredDataConnectors:
- connectorId: CyberArkEPM
  dataTypes:
  - CyberArkEPM
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/CyberArkEPM/Analytic Rules/CyberArkEPMPossibleExecutionOfPowershellEmpire.yaml
severity: High
name: CyberArkEPM - Possible execution of Powershell Empire
triggerThreshold: 0
queryPeriod: 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  
relevantTechniques:
- T1204
id: eddfd1fd-71df-4cc3-b050-287643bee398
queryFrequency: 10m
entityMappings:
- entityType: Account
  fieldMappings:
  - columnName: AccountCustomEntity
    identifier: Name
triggerOperator: gt
version: 1.0.0

ARM