CYFIRMA - Data Breach and Web Monitoring - Phishing Campaign Detection Rule

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Id	00c7b41c-ddeb-4c49-acd7-2f7897e27fb4
Rulename	CYFIRMA - Data Breach and Web Monitoring - Phishing Campaign Detection Rule
Description	“Detects phishing campaigns targeting enterprise domains, as identified through CYFIRMA’s Data Breach and Dark Web Monitoring. These alerts may include malicious URLs used for credential harvesting, domain impersonation, or social engineering. Immediate triage and takedown actions are recommended.”
Severity	Medium
Tactics	InitialAccess Exfiltration
Techniques	T1566.001 T1566.002 T1566.003
Required data connectors	CyfirmaDigitalRiskAlertsConnector
Kind	Scheduled
Query frequency	5m
Query period	5m
Trigger threshold	0
Trigger operator	gt
Source Uri	https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Cyfirma%20Digital%20Risk/Analytic%20Rules/DBWMPhishingCampaignDetectionMediumRule.yaml
Version	1.0.1
Arm template	00c7b41c-ddeb-4c49-acd7-2f7897e27fb4.json

KQL

// Medium severity - Data Breach and Web Monitoring - Phishing Campaign Detection
let timeFrame = 5m;
CyfirmaDBWMPhishingAlerts_CL
| where severity == 'High' and TimeGenerated between (ago(timeFrame) .. now())
| extend
    Description=description,
    FirstSeen=first_seen,
    LastSeen=last_seen,
    RiskScore=risk_score,
    AlertUID=alert_uid,
    UID=uid,
    AssetType=asset_type,
    AssetValue=signature,
    Source=source,
    Impact='',
    Recommendation='',
    ProviderName='CYFIRMA',
    ProductName='DeCYFIR/DeTCT',
    AlertTitle=Alert_title
| project
    TimeGenerated,
    Description,
    RiskScore,
    FirstSeen,
    LastSeen,
    AlertUID,
    UID,
    AssetType,
    AssetValue,
    Source,
    Impact,
    Recommendation,
    ProductName,
    ProviderName,
    AlertTitle

YAML

incidentConfiguration:
  groupingConfiguration:
    lookbackDuration: PT5H
    reopenClosedIncident: false
    matchingMethod: AllEntities
    enabled: false
  createIncident: true
name: CYFIRMA - Data Breach and Web Monitoring - Phishing Campaign Detection Rule
triggerOperator: gt
kind: Scheduled
queryFrequency: 5m
description: |
  "Detects phishing campaigns targeting enterprise domains, as identified through CYFIRMA's Data Breach and Dark Web Monitoring. 
  These alerts may include malicious URLs used for credential harvesting, domain impersonation, or social engineering. 
  Immediate triage and takedown actions are recommended."
id: 00c7b41c-ddeb-4c49-acd7-2f7897e27fb4
triggerThreshold: 0
queryPeriod: 5m
query: |
  // Medium severity - Data Breach and Web Monitoring - Phishing Campaign Detection
  let timeFrame = 5m;
  CyfirmaDBWMPhishingAlerts_CL
  | where severity == 'High' and TimeGenerated between (ago(timeFrame) .. now())
  | extend
      Description=description,
      FirstSeen=first_seen,
      LastSeen=last_seen,
      RiskScore=risk_score,
      AlertUID=alert_uid,
      UID=uid,
      AssetType=asset_type,
      AssetValue=signature,
      Source=source,
      Impact='',
      Recommendation='',
      ProviderName='CYFIRMA',
      ProductName='DeCYFIR/DeTCT',
      AlertTitle=Alert_title
  | project
      TimeGenerated,
      Description,
      RiskScore,
      FirstSeen,
      LastSeen,
      AlertUID,
      UID,
      AssetType,
      AssetValue,
      Source,
      Impact,
      Recommendation,
      ProductName,
      ProviderName,
      AlertTitle
version: 1.0.1
customDetails:
  Impact: Impact
  LastSeen: LastSeen
  TimeGenerated: TimeGenerated
  Description: Description
  AssetType: AssetType
  RiskScore: RiskScore
  AlertUID: AlertUID
  UID: UID
  AssetValue: AssetValue
  FirstSeen: FirstSeen
  Source: Source
  Recommendation: Recommendation
status: Available
eventGroupingSettings:
  aggregationKind: AlertPerResult
severity: Medium
requiredDataConnectors:
- connectorId: CyfirmaDigitalRiskAlertsConnector
  dataTypes:
  - CyfirmaDBWMPhishingAlerts_CL
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Cyfirma%20Digital%20Risk/Analytic%20Rules/DBWMPhishingCampaignDetectionMediumRule.yaml
alertDetailsOverride:
  alertDescriptionFormat: '{{Description}} '
  alertDisplayNameFormat: 'CYFIRMA - Medium Severity Alert:  Phishing Campaign Detection - {{AlertTitle}} '
  alertDynamicProperties:
  - value: ProductName
    alertProperty: ProductName
  - value: ProviderName
    alertProperty: ProviderName
relevantTechniques:
- T1566.001
- T1566.002
- T1566.003
tactics:
- InitialAccess
- Exfiltration

ARM

{
  "$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/00c7b41c-ddeb-4c49-acd7-2f7897e27fb4')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/00c7b41c-ddeb-4c49-acd7-2f7897e27fb4')]",
      "properties": {
        "alertDetailsOverride": {
          "alertDescriptionFormat": "{{Description}} ",
          "alertDisplayNameFormat": "CYFIRMA - Medium Severity Alert:  Phishing Campaign Detection - {{AlertTitle}} ",
          "alertDynamicProperties": [
            {
              "alertProperty": "ProductName",
              "value": "ProductName"
            },
            {
              "alertProperty": "ProviderName",
              "value": "ProviderName"
            }
          ]
        },
        "alertRuleTemplateName": "00c7b41c-ddeb-4c49-acd7-2f7897e27fb4",
        "customDetails": {
          "AlertUID": "AlertUID",
          "AssetType": "AssetType",
          "AssetValue": "AssetValue",
          "Description": "Description",
          "FirstSeen": "FirstSeen",
          "Impact": "Impact",
          "LastSeen": "LastSeen",
          "Recommendation": "Recommendation",
          "RiskScore": "RiskScore",
          "Source": "Source",
          "TimeGenerated": "TimeGenerated",
          "UID": "UID"
        },
        "description": "\"Detects phishing campaigns targeting enterprise domains, as identified through CYFIRMA's Data Breach and Dark Web Monitoring. \nThese alerts may include malicious URLs used for credential harvesting, domain impersonation, or social engineering. \nImmediate triage and takedown actions are recommended.\"\n",
        "displayName": "CYFIRMA - Data Breach and Web Monitoring - Phishing Campaign Detection Rule",
        "enabled": true,
        "entityMappings": null,
        "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/Cyfirma%20Digital%20Risk/Analytic%20Rules/DBWMPhishingCampaignDetectionMediumRule.yaml",
        "query": "// Medium severity - Data Breach and Web Monitoring - Phishing Campaign Detection\nlet timeFrame = 5m;\nCyfirmaDBWMPhishingAlerts_CL\n| where severity == 'High' and TimeGenerated between (ago(timeFrame) .. now())\n| extend\n    Description=description,\n    FirstSeen=first_seen,\n    LastSeen=last_seen,\n    RiskScore=risk_score,\n    AlertUID=alert_uid,\n    UID=uid,\n    AssetType=asset_type,\n    AssetValue=signature,\n    Source=source,\n    Impact='',\n    Recommendation='',\n    ProviderName='CYFIRMA',\n    ProductName='DeCYFIR/DeTCT',\n    AlertTitle=Alert_title\n| project\n    TimeGenerated,\n    Description,\n    RiskScore,\n    FirstSeen,\n    LastSeen,\n    AlertUID,\n    UID,\n    AssetType,\n    AssetValue,\n    Source,\n    Impact,\n    Recommendation,\n    ProductName,\n    ProviderName,\n    AlertTitle\n",
        "queryFrequency": "PT5M",
        "queryPeriod": "PT5M",
        "severity": "Medium",
        "status": "Available",
        "subTechniques": [
          "T1566.001",
          "T1566.002",
          "T1566.003"
        ],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "Exfiltration",
          "InitialAccess"
        ],
        "techniques": [
          "T1566"
        ],
        "templateVersion": "1.0.1",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}