Microsoft Sentinel Analytic Rules
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CyberArkEPM - Attack attempt not blocked

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Id8e8978a2-9188-4187-8909-5ea00507bf16
RulenameCyberArkEPM - Attack attempt not blocked
DescriptionThis rule triggers on attack attempt which was not blocked by CyberArkEPM.
SeverityHigh
TacticsExecution
TechniquesT1204
Required data connectorsCyberArkEPM
KindScheduled
Query frequency10m
Query period10m
Trigger threshold0
Trigger operatorgt
Source Urihttps://github.com/Azure/Azure-Sentinel/blob/master/Solutions/CyberArkEPM/Analytic Rules/CyberArkEPMAttackAttemptNotBlocked.yaml
Version1.0.0
Arm template8e8978a2-9188-4187-8909-5ea00507bf16.json
Deploy To Azure
CyberArkEPM
| where EventSubType =~ 'AttackAttempt'
| where ThreatProtectionAction =~ 'Detect'
| project EventEndTime, EventMessage, ActorUsername, ActingProcessFileInternalName, Evidences
| extend AccountCustomEntity = ActorUsername
triggerOperator: gt
queryFrequency: 10m
description: |
    'This rule triggers on attack attempt which was not blocked by CyberArkEPM.'
version: 1.0.0
kind: Scheduled
triggerThreshold: 0
requiredDataConnectors:
- connectorId: CyberArkEPM
  dataTypes:
  - CyberArkEPM
queryPeriod: 10m
name: CyberArkEPM - Attack attempt not blocked
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/CyberArkEPM/Analytic Rules/CyberArkEPMAttackAttemptNotBlocked.yaml
id: 8e8978a2-9188-4187-8909-5ea00507bf16
tactics:
- Execution
relevantTechniques:
- T1204
severity: High
entityMappings:
- fieldMappings:
  - identifier: Name
    columnName: AccountCustomEntity
  entityType: Account
query: |
  CyberArkEPM
  | where EventSubType =~ 'AttackAttempt'
  | where ThreatProtectionAction =~ 'Detect'
  | project EventEndTime, EventMessage, ActorUsername, ActingProcessFileInternalName, Evidences
  | extend AccountCustomEntity = ActorUsername  
{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "workspace": {
      "type": "String"
    }
  },
  "resources": [
    {
      "apiVersion": "2023-02-01-preview",
      "id": "[concat(resourceId('Microsoft.OperationalInsights/workspaces/providers', parameters('workspace'), 'Microsoft.SecurityInsights'),'/alertRules/8e8978a2-9188-4187-8909-5ea00507bf16')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/8e8978a2-9188-4187-8909-5ea00507bf16')]",
      "properties": {
        "alertRuleTemplateName": "8e8978a2-9188-4187-8909-5ea00507bf16",
        "customDetails": null,
        "description": "'This rule triggers on attack attempt which was not blocked by CyberArkEPM.'\n",
        "displayName": "CyberArkEPM - Attack attempt not blocked",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "Account",
            "fieldMappings": [
              {
                "columnName": "AccountCustomEntity",
                "identifier": "Name"
              }
            ]
          }
        ],
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/CyberArkEPM/Analytic Rules/CyberArkEPMAttackAttemptNotBlocked.yaml",
        "query": "CyberArkEPM\n| where EventSubType =~ 'AttackAttempt'\n| where ThreatProtectionAction =~ 'Detect'\n| project EventEndTime, EventMessage, ActorUsername, ActingProcessFileInternalName, Evidences\n| extend AccountCustomEntity = ActorUsername\n",
        "queryFrequency": "PT10M",
        "queryPeriod": "PT10M",
        "severity": "High",
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "Execution"
        ],
        "techniques": [
          "T1204"
        ],
        "templateVersion": "1.0.0",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}