CYFIRMA - Brand Intelligence - Social Media Handle Impersonation Detected High Rule

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Id	22f49d67-7da7-4809-8d07-89e4478aa6b0
Rulename	CYFIRMA - Brand Intelligence - Social Media Handle Impersonation Detected High Rule
Description	“Detects high-severity alerts related to impersonation of official social media handles associated with your brand. These spoofed accounts may be used for phishing, disinformation, or fraud campaigns, posing significant reputational and security risks.”
Severity	High
Tactics	Reconnaissance ResourceDevelopment InitialAccess
Techniques	T1589.003 T1591.002 T1585.001 T1566.002
Required data connectors	CyfirmaBrandIntelligenceAlertsDC
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 Brand Intelligence/Analytic Rules/BISocialMediaHandlerHighRule.yaml
Version	1.0.1
Arm template	22f49d67-7da7-4809-8d07-89e4478aa6b0.json

KQL

// High severity - Social Media Handle Impersonation
let timeFrame = 5m;
CyfirmaBISocialHandlersAlerts_CL 
  | where severity == 'Critical' 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=asset_value,
      Impact=impact,
      Recommendation=recommendation,
      SourceSype=source_type,
      ProviderName="CYFIRMA",
      ProductName="DeCYFIR/DeTCT"
  | project 
      TimeGenerated,
      Description,
      RiskScore,
      FirstSeen,
      LastSeen,
      AlertUID,
      UID,
      AssetType,
      AssetValue,
      Impact,
      Recommendation,
      SourceSype,
      ProductName,
      ProviderName

YAML

OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Cyfirma Brand Intelligence/Analytic Rules/BISocialMediaHandlerHighRule.yaml
kind: Scheduled
incidentConfiguration:
  createIncident: true
  groupingConfiguration:
    lookbackDuration: PT5H
    enabled: false
    matchingMethod: AllEntities
    reopenClosedIncident: false
tactics:
- Reconnaissance
- ResourceDevelopment
- InitialAccess
triggerThreshold: 0
relevantTechniques:
- T1589.003
- T1591.002
- T1585.001
- T1566.002
version: 1.0.1
customDetails:
  UID: UID
  RiskScore: RiskScore
  AlertUID: AlertUID
  Impact: Impact
  AssetValue: AssetValue
  TimeGenerated: TimeGenerated
  LastSeen: LastSeen
  FirstSeen: FirstSeen
  Description: Description
  SourceSype: SourceSype
  Recommendation: Recommendation
  AssetType: AssetType
eventGroupingSettings:
  aggregationKind: AlertPerResult
queryFrequency: 5m
name: CYFIRMA - Brand Intelligence - Social Media Handle Impersonation Detected High Rule
description: |
  "Detects high-severity alerts related to impersonation of official social media handles associated with your brand. 
  These spoofed accounts may be used for phishing, disinformation, or fraud campaigns, posing significant reputational and security risks."  
alertDetailsOverride:
  alertDynamicProperties:
  - value: ProductName
    alertProperty: ProductName
  - value: ProviderName
    alertProperty: ProviderName
  alertDescriptionFormat: '{{Description}} '
  alertDisplayNameFormat: 'CYFIRMA - High Severity Social Media Handle Impersonation Detected - {{AssetType}}  :  {{AssetValue}} '
query: |
  // High severity - Social Media Handle Impersonation
  let timeFrame = 5m;
  CyfirmaBISocialHandlersAlerts_CL 
    | where severity == 'Critical' 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=asset_value,
        Impact=impact,
        Recommendation=recommendation,
        SourceSype=source_type,
        ProviderName="CYFIRMA",
        ProductName="DeCYFIR/DeTCT"
    | project 
        TimeGenerated,
        Description,
        RiskScore,
        FirstSeen,
        LastSeen,
        AlertUID,
        UID,
        AssetType,
        AssetValue,
        Impact,
        Recommendation,
        SourceSype,
        ProductName,
        ProviderName  
queryPeriod: 5m
triggerOperator: gt
id: 22f49d67-7da7-4809-8d07-89e4478aa6b0
status: Available
severity: High
requiredDataConnectors:
- dataTypes:
  - CyfirmaBISocialHandlersAlerts_CL
  connectorId: CyfirmaBrandIntelligenceAlertsDC

ARM