let threshold = 2;
DigitalGuardianDLPEvent
| where isnotempty(MatchedPolicies)
| summarize count() by SrcUserName, bin(TimeGenerated, 30m)
| where count_ >= threshold
| extend AccountCustomEntity = SrcUserName
severity: High
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/DigitalGuardianDLP/Analytic Rules/DigitalGuardianMultipleIncidentsFromUser.yaml
description: |
'Detects multiple incidents from user.'
triggerOperator: gt
queryPeriod: 1h
requiredDataConnectors:
- dataTypes:
- DigitalGuardianDLPEvent
connectorId: DigitalGuardianDLP
queryFrequency: 1h
triggerThreshold: 0
tactics:
- Exfiltration
query: |
let threshold = 2;
DigitalGuardianDLPEvent
| where isnotempty(MatchedPolicies)
| summarize count() by SrcUserName, bin(TimeGenerated, 30m)
| where count_ >= threshold
| extend AccountCustomEntity = SrcUserName
status: Available
kind: Scheduled
relevantTechniques:
- T1048
version: 1.0.0
id: e8901dac-2549-4948-b793-5197a5ed697a
entityMappings:
- fieldMappings:
- columnName: AccountCustomEntity
identifier: Name
entityType: Account
name: Digital Guardian - Multiple incidents from user
{
"$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
"contentVersion": "1.0.0.0",
"parameters": {
"workspace": {
"type": "String"
}
},
"resources": [
{
"id": "[concat(resourceId('Microsoft.OperationalInsights/workspaces/providers', parameters('workspace'), 'Microsoft.SecurityInsights'),'/alertRules/e8901dac-2549-4948-b793-5197a5ed697a')]",
"name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/e8901dac-2549-4948-b793-5197a5ed697a')]",
"type": "Microsoft.OperationalInsights/workspaces/providers/alertRules",
"kind": "Scheduled",
"apiVersion": "2022-11-01-preview",
"properties": {
"displayName": "Digital Guardian - Multiple incidents from user",
"description": "'Detects multiple incidents from user.'\n",
"severity": "High",
"enabled": true,
"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",
"triggerOperator": "GreaterThan",
"triggerThreshold": 0,
"suppressionDuration": "PT1H",
"suppressionEnabled": false,
"tactics": [
"Exfiltration"
],
"techniques": [
"T1048"
],
"alertRuleTemplateName": "e8901dac-2549-4948-b793-5197a5ed697a",
"customDetails": null,
"entityMappings": [
{
"entityType": "Account",
"fieldMappings": [
{
"columnName": "AccountCustomEntity",
"identifier": "Name"
}
]
}
],
"status": "Available",
"templateVersion": "1.0.0",
"OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/DigitalGuardianDLP/Analytic Rules/DigitalGuardianMultipleIncidentsFromUser.yaml"
}
}
]
}