Microsoft Sentinel Analytic Rules
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Digital Guardian - Multiple incidents from user

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Ide8901dac-2549-4948-b793-5197a5ed697a
RulenameDigital Guardian - Multiple incidents from user
DescriptionDetects multiple incidents from user.
SeverityHigh
TacticsExfiltration
TechniquesT1048
Required data connectorsDigitalGuardianDLP
KindScheduled
Query frequency1h
Query period1h
Trigger threshold0
Trigger operatorgt
Source Urihttps://github.com/Azure/Azure-Sentinel/blob/master/Solutions/DigitalGuardianDLP/Analytic Rules/DigitalGuardianMultipleIncidentsFromUser.yaml
Version1.0.0
Arm templatee8901dac-2549-4948-b793-5197a5ed697a.json
Deploy To Azure
let threshold = 2;
DigitalGuardianDLPEvent
| where isnotempty(MatchedPolicies)
| summarize count() by SrcUserName, bin(TimeGenerated, 30m)
| where count_ >= threshold
| extend AccountCustomEntity = SrcUserName
name: Digital Guardian - Multiple incidents from user
status: Available
triggerThreshold: 0
severity: High
tactics:
- Exfiltration
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/DigitalGuardianDLP/Analytic Rules/DigitalGuardianMultipleIncidentsFromUser.yaml
entityMappings:
- entityType: Account
  fieldMappings:
  - columnName: AccountCustomEntity
    identifier: Name
queryPeriod: 1h
queryFrequency: 1h
version: 1.0.0
triggerOperator: gt
description: |
    'Detects multiple incidents from user.'
query: |
  let threshold = 2;
  DigitalGuardianDLPEvent
  | where isnotempty(MatchedPolicies)
  | summarize count() by SrcUserName, bin(TimeGenerated, 30m)
  | where count_ >= threshold
  | extend AccountCustomEntity = SrcUserName  
relevantTechniques:
- T1048
id: e8901dac-2549-4948-b793-5197a5ed697a
requiredDataConnectors:
- dataTypes:
  - DigitalGuardianDLPEvent
  connectorId: DigitalGuardianDLP
kind: Scheduled
{
  "$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/e8901dac-2549-4948-b793-5197a5ed697a')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/e8901dac-2549-4948-b793-5197a5ed697a')]",
      "properties": {
        "alertRuleTemplateName": "e8901dac-2549-4948-b793-5197a5ed697a",
        "customDetails": null,
        "description": "'Detects multiple incidents from user.'\n",
        "displayName": "Digital Guardian - Multiple incidents from user",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "Account",
            "fieldMappings": [
              {
                "columnName": "AccountCustomEntity",
                "identifier": "Name"
              }
            ]
          }
        ],
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/DigitalGuardianDLP/Analytic Rules/DigitalGuardianMultipleIncidentsFromUser.yaml",
        "query": "let threshold = 2;\nDigitalGuardianDLPEvent\n| where isnotempty(MatchedPolicies)\n| summarize count() by SrcUserName, bin(TimeGenerated, 30m)\n| where count_ >= threshold\n| extend AccountCustomEntity = SrcUserName\n",
        "queryFrequency": "PT1H",
        "queryPeriod": "PT1H",
        "severity": "High",
        "status": "Available",
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "Exfiltration"
        ],
        "techniques": [
          "T1048"
        ],
        "templateVersion": "1.0.0",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}