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

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Id22f49d67-7da7-4809-8d07-89e4478aa6b0
RulenameCYFIRMA - 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.”
SeverityHigh
TacticsReconnaissance
ResourceDevelopment
InitialAccess
TechniquesT1589.003
T1591.002
T1585.001
T1566.002
Required data connectorsCyfirmaBrandIntelligenceAlertsDC
KindScheduled
Query frequency5m
Query period5m
Trigger threshold0
Trigger operatorgt
Source Urihttps://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Cyfirma Brand Intelligence/Analytic Rules/BISocialMediaHandlerHighRule.yaml
Version1.0.0
Arm template22f49d67-7da7-4809-8d07-89e4478aa6b0.json
Deploy To Azure
// 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
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Cyfirma Brand Intelligence/Analytic Rules/BISocialMediaHandlerHighRule.yaml
triggerThreshold: 0
severity: High
incidentConfiguration:
  createIncident: true
  groupingConfiguration:
    lookbackDuration: 5h
    enabled: false
    matchingMethod: AllEntities
    reopenClosedIncident: false
queryFrequency: 5m
status: Available
customDetails:
  TimeGenerated: TimeGenerated
  FirstSeen: FirstSeen
  Recommendation: Recommendation
  RiskScore: RiskScore
  AssetType: AssetType
  LastSeen: LastSeen
  Impact: Impact
  AlertUID: AlertUID
  SourceSype: SourceSype
  Description: Description
  AssetValue: AssetValue
  UID: UID
relevantTechniques:
- T1589.003
- T1591.002
- T1585.001
- T1566.002
alertDetailsOverride:
  alertDisplayNameFormat: 'CYFIRMA - High Severity Social Media Handle Impersonation Detected - {{AssetType}}  :  {{AssetValue}} '
  alertDescriptionFormat: '{{Description}} '
  alertDynamicProperties:
  - alertProperty: ProductName
    value: ProductName
  - alertProperty: ProviderName
    value: ProviderName
triggerOperator: gt
id: 22f49d67-7da7-4809-8d07-89e4478aa6b0
requiredDataConnectors:
- connectorId: CyfirmaBrandIntelligenceAlertsDC
  dataTypes:
  - CyfirmaBISocialHandlersAlerts_CL
version: 1.0.0
name: CYFIRMA - Brand Intelligence - Social Media Handle Impersonation Detected High Rule
eventGroupingSettings:
  aggregationKind: AlertPerResult
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."  
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
queryPeriod: 5m
kind: Scheduled
{
  "$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/22f49d67-7da7-4809-8d07-89e4478aa6b0')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/22f49d67-7da7-4809-8d07-89e4478aa6b0')]",
      "properties": {
        "alertDetailsOverride": {
          "alertDescriptionFormat": "{{Description}} ",
          "alertDisplayNameFormat": "CYFIRMA - High Severity Social Media Handle Impersonation Detected - {{AssetType}}  :  {{AssetValue}} ",
          "alertDynamicProperties": [
            {
              "alertProperty": "ProductName",
              "value": "ProductName"
            },
            {
              "alertProperty": "ProviderName",
              "value": "ProviderName"
            }
          ]
        },
        "alertRuleTemplateName": "22f49d67-7da7-4809-8d07-89e4478aa6b0",
        "customDetails": {
          "AlertUID": "AlertUID",
          "AssetType": "AssetType",
          "AssetValue": "AssetValue",
          "Description": "Description",
          "FirstSeen": "FirstSeen",
          "Impact": "Impact",
          "LastSeen": "LastSeen",
          "Recommendation": "Recommendation",
          "RiskScore": "RiskScore",
          "SourceSype": "SourceSype",
          "TimeGenerated": "TimeGenerated",
          "UID": "UID"
        },
        "description": "\"Detects high-severity alerts related to impersonation of official social media handles associated with your brand. \nThese spoofed accounts may be used for phishing, disinformation, or fraud campaigns, posing significant reputational and security risks.\"\n",
        "displayName": "CYFIRMA - Brand Intelligence - Social Media Handle Impersonation Detected High 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 Brand Intelligence/Analytic Rules/BISocialMediaHandlerHighRule.yaml",
        "query": "// High severity - Social Media Handle Impersonation\nlet timeFrame = 5m;\nCyfirmaBISocialHandlersAlerts_CL \n  | where severity == 'Critical' 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=asset_value,\n      Impact=impact,\n      Recommendation=recommendation,\n      SourceSype=source_type,\n      ProviderName=\"CYFIRMA\",\n      ProductName=\"DeCYFIR/DeTCT\"\n  | project \n      TimeGenerated,\n      Description,\n      RiskScore,\n      FirstSeen,\n      LastSeen,\n      AlertUID,\n      UID,\n      AssetType,\n      AssetValue,\n      Impact,\n      Recommendation,\n      SourceSype,\n      ProductName,\n      ProviderName\n",
        "queryFrequency": "PT5M",
        "queryPeriod": "PT5M",
        "severity": "High",
        "status": "Available",
        "subTechniques": [
          "T1589.003",
          "T1591.002",
          "T1585.001",
          "T1566.002"
        ],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "InitialAccess",
          "Reconnaissance",
          "ResourceDevelopment"
        ],
        "techniques": [
          "T1566",
          "T1585",
          "T1589",
          "T1591"
        ],
        "templateVersion": "1.0.0",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}