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

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Id	710f4755-490d-4fa7-aef0-43b5a66edc7b
Rulename	CYFIRMA - Brand Intelligence - Social Media Handle Impersonation Detected Medium 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	Medium
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/BISocialMediaHandlerMediumRule.yaml
Version	1.0.1
Arm template	710f4755-490d-4fa7-aef0-43b5a66edc7b.json

KQL

// Medium severity - Social Media Handle Impersonation
let timeFrame = 5m;
CyfirmaBISocialHandlersAlerts_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=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

triggerThreshold: 0
incidentConfiguration:
  createIncident: true
  groupingConfiguration:
    reopenClosedIncident: false
    matchingMethod: AllEntities
    lookbackDuration: PT5H
    enabled: false
eventGroupingSettings:
  aggregationKind: AlertPerResult
relevantTechniques:
- T1589.003
- T1591.002
- T1585.001
- T1566.002
status: Available
alertDetailsOverride:
  alertDescriptionFormat: '{{Description}} '
  alertDynamicProperties:
  - alertProperty: ProductName
    value: ProductName
  - alertProperty: ProviderName
    value: ProviderName
  alertDisplayNameFormat: 'CYFIRMA - Medium Severity Social Media Handle Impersonation Detected - {{AssetType}}  :  {{AssetValue}} '
requiredDataConnectors:
- dataTypes:
  - CyfirmaBISocialHandlersAlerts_CL
  connectorId: CyfirmaBrandIntelligenceAlertsDC
queryPeriod: 5m
query: |
  // Medium severity - Social Media Handle Impersonation
  let timeFrame = 5m;
  CyfirmaBISocialHandlersAlerts_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=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  
id: 710f4755-490d-4fa7-aef0-43b5a66edc7b
version: 1.0.1
customDetails:
  LastSeen: LastSeen
  TimeGenerated: TimeGenerated
  AssetType: AssetType
  FirstSeen: FirstSeen
  AlertUID: AlertUID
  AssetValue: AssetValue
  RiskScore: RiskScore
  Impact: Impact
  Recommendation: Recommendation
  Description: Description
  UID: UID
  SourceSype: SourceSype
kind: Scheduled
severity: Medium
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Cyfirma Brand Intelligence/Analytic Rules/BISocialMediaHandlerMediumRule.yaml
tactics:
- Reconnaissance
- ResourceDevelopment
- InitialAccess
name: CYFIRMA - Brand Intelligence - Social Media Handle Impersonation Detected Medium 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."  
queryFrequency: 5m
triggerOperator: gt

ARM