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

Back


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 Digital Risk/Analytic Rules/DBWMPhishingCampaignDetectionMediumRule.yaml
Version	1.0.0
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

tactics:
- InitialAccess
- Exfiltration
name: CYFIRMA - Data Breach and Web Monitoring - Phishing Campaign Detection Rule
id: 00c7b41c-ddeb-4c49-acd7-2f7897e27fb4
requiredDataConnectors:
- connectorId: CyfirmaDigitalRiskAlertsConnector
  dataTypes:
  - CyfirmaDBWMPhishingAlerts_CL
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  
eventGroupingSettings:
  aggregationKind: AlertPerResult
relevantTechniques:
- T1566.001
- T1566.002
- T1566.003
incidentConfiguration:
  createIncident: true
  groupingConfiguration:
    matchingMethod: AllEntities
    reopenClosedIncident: false
    lookbackDuration: 5h
    enabled: false
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."  
triggerOperator: gt
queryPeriod: 5m
severity: Medium
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Cyfirma Digital Risk/Analytic Rules/DBWMPhishingCampaignDetectionMediumRule.yaml
version: 1.0.0
alertDetailsOverride:
  alertDynamicProperties:
  - alertProperty: ProductName
    value: ProductName
  - alertProperty: ProviderName
    value: ProviderName
  alertDisplayNameFormat: 'CYFIRMA - Medium Severity Alert:  Phishing Campaign Detection - {{AlertTitle}} '
  alertDescriptionFormat: '{{Description}} '
triggerThreshold: 0
queryFrequency: 5m
kind: Scheduled
status: Available
customDetails:
  Source: Source
  Impact: Impact
  AssetType: AssetType
  AssetValue: AssetValue
  TimeGenerated: TimeGenerated
  Description: Description
  AlertUID: AlertUID
  Recommendation: Recommendation
  UID: UID
  LastSeen: LastSeen
  RiskScore: RiskScore
  FirstSeen: FirstSeen

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 Digital Risk/Analytic Rules/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": "1.0.0",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}