CYFIRMA - Social and Public Exposure - Social Media Threats Activity Detected Rule

Back


Id	b8149f2f-54da-4f7b-98e1-c01ca47e1e55
Rulename	CYFIRMA - Social and Public Exposure - Social Media Threats Activity Detected Rule
Description	“This rule detects medium-severity social threat alerts from CYFIRMA related to impersonation, fake profiles, or malicious activities on social platforms that may target executives, brands, or employees. These threats can result in reputational damage, phishing, or social engineering attacks. Immediate investigation and takedown are recommended to minimize risk.”
Severity	Medium
Tactics	ResourceDevelopment Reconnaissance InitialAccess Impact
Techniques	T1585.001 T1593 T1566 T1582 T1491
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/SPESocialMediaThreatsMediumRule.yaml
Version	1.0.1
Arm template	b8149f2f-54da-4f7b-98e1-c01ca47e1e55.json

KQL

// Medium severity - Social and Public Exposure - Social Media Threats Activity Detected
let timeFrame = 5m;
CyfirmaSPESocialThreatAlerts_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=impact,
    Recommendation=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

relevantTechniques:
- T1585.001
- T1593
- T1566
- T1582
- T1491
eventGroupingSettings:
  aggregationKind: AlertPerResult
version: 1.0.1
id: b8149f2f-54da-4f7b-98e1-c01ca47e1e55
severity: Medium
kind: Scheduled
queryFrequency: 5m
description: |
  "This rule detects medium-severity social threat alerts from CYFIRMA related to impersonation, fake profiles, or malicious activities on social platforms that may target executives, brands, or employees. 
  These threats can result in reputational damage, phishing, or social engineering attacks. 
  Immediate investigation and takedown are recommended to minimize risk."  
requiredDataConnectors:
- connectorId: CyfirmaDigitalRiskAlertsConnector
  dataTypes:
  - CyfirmaSPESocialThreatAlerts_CL
triggerOperator: gt
name: CYFIRMA - Social and Public Exposure -  Social Media Threats  Activity Detected Rule
tactics:
- ResourceDevelopment
- Reconnaissance
- InitialAccess
- Impact
alertDetailsOverride:
  alertDescriptionFormat: '{{Description}} '
  alertDynamicProperties:
  - value: ProductName
    alertProperty: ProductName
  - value: ProviderName
    alertProperty: ProviderName
  alertDisplayNameFormat: 'CYFIRMA - Medium Severity Alert: Social Media Threat Activity Detected - {{AlertTitle}} '
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Cyfirma Digital Risk/Analytic Rules/SPESocialMediaThreatsMediumRule.yaml
triggerThreshold: 0
queryPeriod: 5m
query: |
  // Medium severity - Social and Public Exposure - Social Media Threats Activity Detected
  let timeFrame = 5m;
  CyfirmaSPESocialThreatAlerts_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=impact,
      Recommendation=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  
status: Available
customDetails:
  UID: UID
  RiskScore: RiskScore
  LastSeen: LastSeen
  Description: Description
  AlertUID: AlertUID
  FirstSeen: FirstSeen
  AssetValue: AssetValue
  TimeGenerated: TimeGenerated
  Impact: Impact
  Recommendation: Recommendation
  Source: Source
  AssetType: AssetType
incidentConfiguration:
  createIncident: true
  groupingConfiguration:
    lookbackDuration: PT5H
    enabled: false
    reopenClosedIncident: false
    matchingMethod: AllEntities

ARM