RecordedFuture Threat Hunting Url All Actors

let ioc_lookBack = 1d;
// The source table (_Im_WebSession) is a ASIM parser table, but can be replaced by any infrastructure table containing Url data.
// The following workbook: Recorded Future - Url Correlation will help researching available data and selecting tables and columns
_Im_WebSession
| where isnotempty(Url)
| extend lowerUrl=tolower(Url)
| join kind=inner (
ThreatIntelIndicators
// Only look for IOCs
| where ObservableKey == 'url:value'
| where isnotempty(ObservableValue)
// Only look at Recorded Future Threat Hunt Indicators.
| where Data.description startswith "Recorded Future - Threat Hunt"
// Only work with the latest indicators
| where TimeGenerated >= ago(ioc_lookBack)
| summarize LatestIndicatorTime = arg_max(TimeGenerated, *) by Id
| where IsActive == true and ValidUntil > now()
| extend lowerUrl=tolower(ObservableValue)
) on lowerUrl
// select column from the source table to match with Recorded Future ThreatIntelIndicators $left.Url
| mv-expand RecordedFuturePortalLink=parse_json(tostring(parse_json(Tags)))['recordedfutureportallink']
| project Url=ObservableValue, Description=Data.description, Type, TimeGenerated, RecordedFuturePortalLink

description: |
    'Recorded Future Threat Hunting Url correlation for all actors.'
query: |
  let ioc_lookBack = 1d;
  // The source table (_Im_WebSession) is a ASIM parser table, but can be replaced by any infrastructure table containing Url data.
  // The following workbook: Recorded Future - Url Correlation will help researching available data and selecting tables and columns
  _Im_WebSession
  | where isnotempty(Url)
  | extend lowerUrl=tolower(Url)
  | join kind=inner (
  ThreatIntelIndicators
  // Only look for IOCs
  | where ObservableKey == 'url:value'
  | where isnotempty(ObservableValue)
  // Only look at Recorded Future Threat Hunt Indicators.
  | where Data.description startswith "Recorded Future - Threat Hunt"
  // Only work with the latest indicators
  | where TimeGenerated >= ago(ioc_lookBack)
  | summarize LatestIndicatorTime = arg_max(TimeGenerated, *) by Id
  | where IsActive == true and ValidUntil > now()
  | extend lowerUrl=tolower(ObservableValue)
  ) on lowerUrl
  // select column from the source table to match with Recorded Future ThreatIntelIndicators $left.Url
  | mv-expand RecordedFuturePortalLink=parse_json(tostring(parse_json(Tags)))['recordedfutureportallink']
  | project Url=ObservableValue, Description=Data.description, Type, TimeGenerated, RecordedFuturePortalLink  
queryPeriod: 1d
triggerThreshold: 0
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Recorded Future/Analytic Rules/ThreatHunting/RecordedFutureThreatHuntingUrlAllActors.yaml
id: 3f6f0d1a-f2f9-4e01-881a-c55a4a71905b
kind: Scheduled
requiredDataConnectors:
- connectorId: ThreatIntelligenceUploadIndicatorsAPI
  dataTypes:
  - ThreatIntelIndicators
tactics:
- Persistence
- PrivilegeEscalation
- DefenseEvasion
severity: Medium
triggerOperator: gt
version: 1.1.0
customDetails:
  ActorInformation: RecordedFuturePortalLink
incidentConfiguration:
  groupingConfiguration:
    reopenClosedIncident: false
    matchingMethod: AllEntities
    lookbackDuration: 1h
    enabled: true
  createIncident: true
name: RecordedFuture Threat Hunting Url All Actors
queryFrequency: 15m
alertDetailsOverride:
  alertDescriptionFormat: '*{{Description}}**\n\nCorrelation found on {{Url}} from the {{Type}} table.\n'
  alertDynamicProperties:
  - alertProperty: AlertLink
    value: RecordedFuturePortalLink
  alertDisplayNameFormat: '{{Description}}'
relevantTechniques:
- T1098
- T1078
entityMappings:
- fieldMappings:
  - columnName: Url
    identifier: Url
  entityType: URL

{
  "$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/3f6f0d1a-f2f9-4e01-881a-c55a4a71905b')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/3f6f0d1a-f2f9-4e01-881a-c55a4a71905b')]",
      "properties": {
        "alertDetailsOverride": {
          "alertDescriptionFormat": "*{{Description}}**\\n\\nCorrelation found on {{Url}} from the {{Type}} table.\\n",
          "alertDisplayNameFormat": "{{Description}}",
          "alertDynamicProperties": [
            {
              "alertProperty": "AlertLink",
              "value": "RecordedFuturePortalLink"
            }
          ]
        },
        "alertRuleTemplateName": "3f6f0d1a-f2f9-4e01-881a-c55a4a71905b",
        "customDetails": {
          "ActorInformation": "RecordedFuturePortalLink"
        },
        "description": "'Recorded Future Threat Hunting Url correlation for all actors.'\n",
        "displayName": "RecordedFuture Threat Hunting Url All Actors",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "URL",
            "fieldMappings": [
              {
                "columnName": "Url",
                "identifier": "Url"
              }
            ]
          }
        ],
        "incidentConfiguration": {
          "createIncident": true,
          "groupingConfiguration": {
            "enabled": true,
            "lookbackDuration": "PT1H",
            "matchingMethod": "AllEntities",
            "reopenClosedIncident": false
          }
        },
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Recorded Future/Analytic Rules/ThreatHunting/RecordedFutureThreatHuntingUrlAllActors.yaml",
        "query": "let ioc_lookBack = 1d;\n// The source table (_Im_WebSession) is a ASIM parser table, but can be replaced by any infrastructure table containing Url data.\n// The following workbook: Recorded Future - Url Correlation will help researching available data and selecting tables and columns\n_Im_WebSession\n| where isnotempty(Url)\n| extend lowerUrl=tolower(Url)\n| join kind=inner (\nThreatIntelIndicators\n// Only look for IOCs\n| where ObservableKey == 'url:value'\n| where isnotempty(ObservableValue)\n// Only look at Recorded Future Threat Hunt Indicators.\n| where Data.description startswith \"Recorded Future - Threat Hunt\"\n// Only work with the latest indicators\n| where TimeGenerated >= ago(ioc_lookBack)\n| summarize LatestIndicatorTime = arg_max(TimeGenerated, *) by Id\n| where IsActive == true and ValidUntil > now()\n| extend lowerUrl=tolower(ObservableValue)\n) on lowerUrl\n// select column from the source table to match with Recorded Future ThreatIntelIndicators $left.Url\n| mv-expand RecordedFuturePortalLink=parse_json(tostring(parse_json(Tags)))['recordedfutureportallink']\n| project Url=ObservableValue, Description=Data.description, Type, TimeGenerated, RecordedFuturePortalLink\n",
        "queryFrequency": "PT15M",
        "queryPeriod": "P1D",
        "severity": "Medium",
        "subTechniques": [],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "DefenseEvasion",
          "Persistence",
          "PrivilegeEscalation"
        ],
        "techniques": [
          "T1078",
          "T1098"
        ],
        "templateVersion": "1.1.0",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}