blacklens Insights

blacklens_CL
| summarize arg_max(TimeGenerated, *) by id
| extend AlertSeverity = case(
    tolower(severity) == "critical", "High",
    tolower(severity) == "high", "High",
    tolower(severity) == "medium", "Medium",
    tolower(severity) == "low", "Low",
    "Informational"
)

tactics:
- Reconnaissance
- ResourceDevelopment
- InitialAccess
- CredentialAccess
- Collection
- Exfiltration
- DefenseEvasion
- CommandAndControl
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Blacklens/Analytic%20Rules/blacklensInsights.yaml
version: 1.0.0
requiredDataConnectors:
- connectorId: blacklens_io
  dataTypes:
  - blacklens_CL
id: e261b70a-3005-4a1b-a7a2-2c8147fafed7
name: blacklens Insights
entityMappings:
- fieldMappings:
  - identifier: Url
    columnName: link
  entityType: URL
alertDetailsOverride:
  alertDescriptionFormat: '{{message}}'
  alertSeverityColumnName: AlertSeverity
  alertDisplayNameFormat: '{{alert_title}}'
severity: High
relevantTechniques:
- T1595
- T1583
- T1190
- T1110
- T1005
- T1041
- T1562
- T1071
eventGroupingSettings:
  aggregationKind: AlertPerResult
suppressionEnabled: false
description: |
  'Creates incidents from blacklens.io Attack Surface Management alerts ingested into the blacklens_CL table. Alert severity is mapped dynamically from the source data.'
suppressionDuration: PT1H
status: Available
incidentConfiguration:
  createIncident: true
  groupingConfiguration:
    reopenClosedIncident: false
    enabled: false
    matchingMethod: AllEntities
    lookbackDuration: PT5H
kind: NRT
query: |
  blacklens_CL
  | summarize arg_max(TimeGenerated, *) by id
  | extend AlertSeverity = case(
      tolower(severity) == "critical", "High",
      tolower(severity) == "high", "High",
      tolower(severity) == "medium", "Medium",
      tolower(severity) == "low", "Low",
      "Informational"
  )

{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "workspace": {
      "type": "String"
    }
  },
  "resources": [
    {
      "apiVersion": "2024-01-01-preview",
      "id": "[concat(resourceId('Microsoft.OperationalInsights/workspaces/providers', parameters('workspace'), 'Microsoft.SecurityInsights'),'/alertRules/e261b70a-3005-4a1b-a7a2-2c8147fafed7')]",
      "kind": "NRT",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/e261b70a-3005-4a1b-a7a2-2c8147fafed7')]",
      "properties": {
        "alertDetailsOverride": {
          "alertDescriptionFormat": "{{message}}",
          "alertDisplayNameFormat": "{{alert_title}}",
          "alertSeverityColumnName": "AlertSeverity"
        },
        "alertRuleTemplateName": "e261b70a-3005-4a1b-a7a2-2c8147fafed7",
        "customDetails": null,
        "description": "'Creates incidents from blacklens.io Attack Surface Management alerts ingested into the blacklens_CL table. Alert severity is mapped dynamically from the source data.'\n",
        "displayName": "blacklens Insights",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "URL",
            "fieldMappings": [
              {
                "columnName": "link",
                "identifier": "Url"
              }
            ]
          }
        ],
        "eventGroupingSettings": {
          "aggregationKind": "AlertPerResult"
        },
        "incidentConfiguration": {
          "createIncident": true,
          "groupingConfiguration": {
            "enabled": false,
            "lookbackDuration": "PT5H",
            "matchingMethod": "AllEntities",
            "reopenClosedIncident": false
          }
        },
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Blacklens/Analytic%20Rules/blacklensInsights.yaml",
        "query": "blacklens_CL\n| summarize arg_max(TimeGenerated, *) by id\n| extend AlertSeverity = case(\n    tolower(severity) == \"critical\", \"High\",\n    tolower(severity) == \"high\", \"High\",\n    tolower(severity) == \"medium\", \"Medium\",\n    tolower(severity) == \"low\", \"Low\",\n    \"Informational\"\n)\n",
        "severity": "High",
        "status": "Available",
        "subTechniques": [],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "Collection",
          "CommandAndControl",
          "CredentialAccess",
          "DefenseEvasion",
          "Exfiltration",
          "InitialAccess",
          "Reconnaissance",
          "ResourceDevelopment"
        ],
        "techniques": [
          "T1005",
          "T1041",
          "T1071",
          "T1110",
          "T1190",
          "T1562",
          "T1583",
          "T1595"
        ],
        "templateVersion": "1.0.0"
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}