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

customDetails:
  RiskScore: RiskScore
  Recommendation: Recommendation
  UID: UID
  FirstSeen: FirstSeen
  LastSeen: LastSeen
  AssetType: AssetType
  SourceSype: SourceSype
  Impact: Impact
  Description: Description
  AlertUID: AlertUID
  AssetValue: AssetValue
  TimeGenerated: TimeGenerated
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Cyfirma Brand Intelligence/Analytic Rules/BISocialMediaHandlerHighRule.yaml
id: 22f49d67-7da7-4809-8d07-89e4478aa6b0
requiredDataConnectors:
- dataTypes:
  - CyfirmaBISocialHandlersAlerts_CL
  connectorId: CyfirmaBrandIntelligenceAlertsDC
incidentConfiguration:
  groupingConfiguration:
    reopenClosedIncident: false
    enabled: false
    matchingMethod: AllEntities
    lookbackDuration: PT5H
  createIncident: true
relevantTechniques:
- T1589.003
- T1591.002
- T1585.001
- T1566.002
kind: Scheduled
name: CYFIRMA - Brand Intelligence - Social Media Handle Impersonation Detected High Rule
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  
tactics:
- Reconnaissance
- ResourceDevelopment
- InitialAccess
severity: High
queryFrequency: 5m
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:
  alertDisplayNameFormat: 'CYFIRMA - High Severity Social Media Handle Impersonation Detected - {{AssetType}}  :  {{AssetValue}} '
  alertDescriptionFormat: '{{Description}} '
  alertDynamicProperties:
  - value: ProductName
    alertProperty: ProductName
  - value: ProviderName
    alertProperty: ProviderName
triggerThreshold: 0
triggerOperator: gt
version: 1.0.1
eventGroupingSettings:
  aggregationKind: AlertPerResult
queryPeriod: 5m
status: Available

ARM