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 Digital Risk/Analytic Rules/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

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."  
tactics:
- InitialAccess
- Exfiltration
requiredDataConnectors:
- dataTypes:
  - CyfirmaDBWMPhishingAlerts_CL
  connectorId: CyfirmaDigitalRiskAlertsConnector
alertDetailsOverride:
  alertDisplayNameFormat: 'CYFIRMA - Medium Severity Alert:  Phishing Campaign Detection - {{AlertTitle}} '
  alertDescriptionFormat: '{{Description}} '
  alertDynamicProperties:
  - value: ProductName
    alertProperty: ProductName
  - value: ProviderName
    alertProperty: ProviderName
incidentConfiguration:
  groupingConfiguration:
    enabled: false
    lookbackDuration: PT5H
    reopenClosedIncident: false
    matchingMethod: AllEntities
  createIncident: true
id: 00c7b41c-ddeb-4c49-acd7-2f7897e27fb4
severity: Medium
eventGroupingSettings:
  aggregationKind: AlertPerResult
status: Available
customDetails:
  TimeGenerated: TimeGenerated
  LastSeen: LastSeen
  RiskScore: RiskScore
  FirstSeen: FirstSeen
  UID: UID
  Impact: Impact
  Recommendation: Recommendation
  AssetValue: AssetValue
  AlertUID: AlertUID
  Description: Description
  AssetType: AssetType
  Source: Source
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  
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Cyfirma Digital Risk/Analytic Rules/DBWMPhishingCampaignDetectionMediumRule.yaml
kind: Scheduled
queryPeriod: 5m
name: CYFIRMA - Data Breach and Web Monitoring - Phishing Campaign Detection Rule
queryFrequency: 5m
triggerThreshold: 0
relevantTechniques:
- T1566.001
- T1566.002
- T1566.003
version: 1.0.1
triggerOperator: gt

ARM