TacitRed - High Confidence Compromise

TacitRed_Findings_CL
| where TimeGenerated >= ago(1h)
| where confidence_d >= 80
| extend
    Email = tostring(email_s),
    Username = tostring(username_s),
    Domain = tostring(domain_s),
    FindingType = tostring(findingType_s),
    Confidence = todouble(confidence_d),
    Source = tostring(source_s),
    Severity = tostring(severity_s)
| project
    TimeGenerated,
    Email,
    Username,
    Domain,
    FindingType,
    Confidence,
    Source,
    Severity

kind: Scheduled
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/TacitRedThreatIntelligence/Analytic%20Rules/TacitRed%20-%20High%20Confidence%20Compromise.yaml
version: 1.0.1
requiredDataConnectors:
- dataTypes:
  - TacitRed_Findings_CL
  connectorId: TacitRedThreatIntel
relevantTechniques:
- T1078
- T1589
incidentConfiguration:
  groupingConfiguration:
    lookbackDuration: 5h
    matchingMethod: Selected
    reopenClosedIncident: false
    groupByEntities:
    - Account
    enabled: true
  createIncident: true
suppressionEnabled: false
query: |-
  TacitRed_Findings_CL
  | where TimeGenerated >= ago(1h)
  | where confidence_d >= 80
  | extend
      Email = tostring(email_s),
      Username = tostring(username_s),
      Domain = tostring(domain_s),
      FindingType = tostring(findingType_s),
      Confidence = todouble(confidence_d),
      Source = tostring(source_s),
      Severity = tostring(severity_s)
  | project
      TimeGenerated,
      Email,
      Username,
      Domain,
      FindingType,
      Confidence,
      Source,
      Severity
tactics:
- CredentialAccess
- InitialAccess
- Reconnaissance
queryFrequency: 1h
id: b2c3d4e5-f6a7-8901-bcde-f23456789012
triggerThreshold: 0
triggerOperator: GreaterThan
name: TacitRed - High Confidence Compromise
queryPeriod: 1h
severity: High
entityMappings:
- fieldMappings:
  - columnName: Username
    identifier: Name
  - columnName: Email
    identifier: UPNSuffix
  entityType: Account
- fieldMappings:
  - columnName: Domain
    identifier: DomainName
  entityType: DNS
suppressionDuration: 5h
eventGroupingSettings:
  aggregationKind: AlertPerResult
description: |-
  Detects compromised credentials with high confidence scores.
  High confidence findings indicate verified credential compromises that require immediate attention.

  Ref: https://data443.com/tacitred-attack-surface-intelligence/

{
  "$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/b2c3d4e5-f6a7-8901-bcde-f23456789012')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/b2c3d4e5-f6a7-8901-bcde-f23456789012')]",
      "properties": {
        "alertRuleTemplateName": "b2c3d4e5-f6a7-8901-bcde-f23456789012",
        "customDetails": null,
        "description": "Detects compromised credentials with high confidence scores.\nHigh confidence findings indicate verified credential compromises that require immediate attention.\n\nRef: https://data443.com/tacitred-attack-surface-intelligence/",
        "displayName": "TacitRed - High Confidence Compromise",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "Account",
            "fieldMappings": [
              {
                "columnName": "Username",
                "identifier": "Name"
              },
              {
                "columnName": "Email",
                "identifier": "UPNSuffix"
              }
            ]
          },
          {
            "entityType": "DNS",
            "fieldMappings": [
              {
                "columnName": "Domain",
                "identifier": "DomainName"
              }
            ]
          }
        ],
        "eventGroupingSettings": {
          "aggregationKind": "AlertPerResult"
        },
        "incidentConfiguration": {
          "createIncident": true,
          "groupingConfiguration": {
            "enabled": true,
            "groupByEntities": [
              "Account"
            ],
            "lookbackDuration": "PT5H",
            "matchingMethod": "Selected",
            "reopenClosedIncident": false
          }
        },
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/TacitRedThreatIntelligence/Analytic%20Rules/TacitRed%20-%20High%20Confidence%20Compromise.yaml",
        "query": "TacitRed_Findings_CL\n| where TimeGenerated >= ago(1h)\n| where confidence_d >= 80\n| extend\n    Email = tostring(email_s),\n    Username = tostring(username_s),\n    Domain = tostring(domain_s),\n    FindingType = tostring(findingType_s),\n    Confidence = todouble(confidence_d),\n    Source = tostring(source_s),\n    Severity = tostring(severity_s)\n| project\n    TimeGenerated,\n    Email,\n    Username,\n    Domain,\n    FindingType,\n    Confidence,\n    Source,\n    Severity",
        "queryFrequency": "PT1H",
        "queryPeriod": "PT1H",
        "severity": "High",
        "subTechniques": [],
        "suppressionDuration": "PT5H",
        "suppressionEnabled": false,
        "tactics": [
          "CredentialAccess",
          "InitialAccess",
          "Reconnaissance"
        ],
        "techniques": [
          "T1078",
          "T1589"
        ],
        "templateVersion": "1.0.1",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}