RecordedFuture Threat Hunting Hash All Actors

let ioc_lookBack = 1d;
// The source table (imDns) can be replaced by any infrastructure table containing Hash data.
// The following workbook: Recorded Future - Hash Correlation will help researching available data and selecting tables and columns  
imFileEvent
| where isnotempty(Hash)
| extend lowerHash=tolower(Hash)
| join kind=inner (
ThreatIntelligenceIndicator
// Only look for IOCs
| where isnotempty(FileHashValue)
// Only look at Recorded Future Threat Hunt Indicators.
| where Description startswith "Recorded Future - Threat Hunt"
// Only work with the latest indicators  
| where TimeGenerated >= ago(ioc_lookBack)
| summarize LatestIndicatorTime = arg_max(TimeGenerated, *) by IndicatorId
| where Active == true and ExpirationDateTime > now()
| extend lowerHash=tolower(FileHashValue)
) on lowerHash
// select column from the source table to match with Recorded Future ThreatIntelligenceIndicator $left.Hash
| mv-expand RecordedFuturePortalLink=parse_json(tostring(parse_json(Tags)[0]))['RecordedFuturePortalLink']
| project Hash=FileHashValue, HashType, Description, Type, TimeGenerated, RecordedFuturePortalLink

triggerOperator: gt
triggerThreshold: 0
name: RecordedFuture Threat Hunting Hash All Actors
alertDetailsOverride:
  alertDescriptionFormat: '**{{Description}}**\n\nCorrelation found on {{Hash}} from the {{Type}} table.\n'
  alertDynamicProperties:
  - alertProperty: AlertLink
    value: RecordedFuturePortalLink
  alertDisplayNameFormat: '{{Description}}'
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Recorded Future/Analytic Rules/ThreatHunting/RecordedFutureThreatHuntingHashAllActors.yaml
queryPeriod: 1d
severity: Medium
eventGroupingSettings:
  aggregationKind: AlertPerResult
entityMappings:
- entityType: FileHash
  fieldMappings:
  - columnName: Hash
    identifier: Value
  - columnName: HashType
    identifier: Algorithm
queryFrequency: 15m
relevantTechniques:
- T1189
- T1059
- T1554
requiredDataConnectors:
- dataTypes:
  - ThreatIntelligenceIndicator
  connectorId: ThreatIntelligenceUploadIndicatorsAPI
kind: Scheduled
customDetails:
  ActorInformation: RecordedFuturePortalLink
incidentConfiguration:
  groupingConfiguration:
    matchingMethod: AllEntities
    enabled: true
    reopenClosedIncident: false
    lookbackDuration: 1h
  createIncident: true
description: |
    'Recorded Future Threat Hunting hash correlation for all actors.'
tactics:
- InitialAccess
- Execution
- Persistence
query: |
  let ioc_lookBack = 1d;
  // The source table (imDns) can be replaced by any infrastructure table containing Hash data.
  // The following workbook: Recorded Future - Hash Correlation will help researching available data and selecting tables and columns  
  imFileEvent
  | where isnotempty(Hash)
  | extend lowerHash=tolower(Hash)
  | join kind=inner (
  ThreatIntelligenceIndicator
  // Only look for IOCs
  | where isnotempty(FileHashValue)
  // Only look at Recorded Future Threat Hunt Indicators.
  | where Description startswith "Recorded Future - Threat Hunt"
  // Only work with the latest indicators  
  | where TimeGenerated >= ago(ioc_lookBack)
  | summarize LatestIndicatorTime = arg_max(TimeGenerated, *) by IndicatorId
  | where Active == true and ExpirationDateTime > now()
  | extend lowerHash=tolower(FileHashValue)
  ) on lowerHash
  // select column from the source table to match with Recorded Future ThreatIntelligenceIndicator $left.Hash
  | mv-expand RecordedFuturePortalLink=parse_json(tostring(parse_json(Tags)[0]))['RecordedFuturePortalLink']
  | project Hash=FileHashValue, HashType, Description, Type, TimeGenerated, RecordedFuturePortalLink  
id: 6db6a8e6-2959-440b-ba57-a505875fcb37
version: 1.0.4

{
  "$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/6db6a8e6-2959-440b-ba57-a505875fcb37')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/6db6a8e6-2959-440b-ba57-a505875fcb37')]",
      "properties": {
        "alertDetailsOverride": {
          "alertDescriptionFormat": "**{{Description}}**\\n\\nCorrelation found on {{Hash}} from the {{Type}} table.\\n",
          "alertDisplayNameFormat": "{{Description}}",
          "alertDynamicProperties": [
            {
              "alertProperty": "AlertLink",
              "value": "RecordedFuturePortalLink"
            }
          ]
        },
        "alertRuleTemplateName": "6db6a8e6-2959-440b-ba57-a505875fcb37",
        "customDetails": {
          "ActorInformation": "RecordedFuturePortalLink"
        },
        "description": "'Recorded Future Threat Hunting hash correlation for all actors.'\n",
        "displayName": "RecordedFuture Threat Hunting Hash All Actors",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "FileHash",
            "fieldMappings": [
              {
                "columnName": "Hash",
                "identifier": "Value"
              },
              {
                "columnName": "HashType",
                "identifier": "Algorithm"
              }
            ]
          }
        ],
        "eventGroupingSettings": {
          "aggregationKind": "AlertPerResult"
        },
        "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/RecordedFutureThreatHuntingHashAllActors.yaml",
        "query": "let ioc_lookBack = 1d;\n// The source table (imDns) can be replaced by any infrastructure table containing Hash data.\n// The following workbook: Recorded Future - Hash Correlation will help researching available data and selecting tables and columns  \nimFileEvent\n| where isnotempty(Hash)\n| extend lowerHash=tolower(Hash)\n| join kind=inner (\nThreatIntelligenceIndicator\n// Only look for IOCs\n| where isnotempty(FileHashValue)\n// Only look at Recorded Future Threat Hunt Indicators.\n| where 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 IndicatorId\n| where Active == true and ExpirationDateTime > now()\n| extend lowerHash=tolower(FileHashValue)\n) on lowerHash\n// select column from the source table to match with Recorded Future ThreatIntelligenceIndicator $left.Hash\n| mv-expand RecordedFuturePortalLink=parse_json(tostring(parse_json(Tags)[0]))['RecordedFuturePortalLink']\n| project Hash=FileHashValue, HashType, Description, Type, TimeGenerated, RecordedFuturePortalLink\n",
        "queryFrequency": "PT15M",
        "queryPeriod": "P1D",
        "severity": "Medium",
        "subTechniques": [],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "Execution",
          "InitialAccess",
          "Persistence"
        ],
        "techniques": [
          "T1059",
          "T1189",
          "T1554"
        ],
        "templateVersion": "1.0.4",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}