CybleVision Alerts Telegram Mentions

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Id	4238f545-8b6f-4f7c-80b5-14cca2cebc99
Rulename	CybleVision Alerts Telegram Mentions
Description	Detects mentions of monitored keywords across Telegram channels and groups. Extracts message content, URLs, chat metadata, user identity, and timestamps.
Severity	Low
Tactics	Reconnaissance ResourceDevelopment InitialAccess CommandAndControl
Techniques	T1598 T1585 T1102
Required data connectors	CybleVisionAlerts
Kind	Scheduled
Query frequency	30m
Query period	30m
Trigger threshold	0
Trigger operator	GreaterThan
Source Uri	https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Cyble Vision/Analytic Rules/Alerts_Telegram_Mentions.yaml
Version	1.0.0
Arm template	4238f545-8b6f-4f7c-80b5-14cca2cebc99.json

KQL

Alerts_telegram_mentions 
| where Service == "telegram_mentions" 
| extend MappedSeverity = Severity

YAML

incidentConfiguration:
  createIncident: true
  groupingConfiguration:
    matchingMethod: AllEntities
    lookbackDuration: PT5H
    reopenClosedIncident: false
    enabled: false
requiredDataConnectors:
- dataTypes:
  - CybleVisionAlerts_CL
  connectorId: CybleVisionAlerts
relevantTechniques:
- T1598
- T1585
- T1102
triggerOperator: GreaterThan
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Cyble Vision/Analytic Rules/Alerts_Telegram_Mentions.yaml
customDetails:
  URLs: TG_Urls
  Tags: TG_Tags
  Service: Service
  ChatTitle: TG_ChatTitle
  User: TG_Username2
  CreatedDate: TG_CreatedDate
  MappedSeverity: Severity
  UpdatedDate: TG_UpdatedDate
  Message: TG_Message
  ChatID: TG_ChatID
  AlertID: AlertID
  Status: Status
queryFrequency: 30m
severity: Low
subTechniques: []
triggerThreshold: 0
suppressionDuration: PT5H
entityMappings:
- fieldMappings:
  - columnName: TG_Username2
    identifier: Name
  entityType: Account
- fieldMappings:
  - columnName: TG_Urls
    identifier: Url
  entityType: URL
alertDetailsOverride:
  alertDynamicProperties: []
  alertDescriptionFormat: |
        A Telegram post mentioning monitored keywords was detected. User {{TG_Username2}}. Message {{TG_Message}} URL {{TG_Urls}}\n
  alertDisplayNameFormat: CybleVision Telegram Mention in {{TG_ChatTitle}}
name: CybleVision Alerts Telegram Mentions
query: |
  Alerts_telegram_mentions 
  | where Service == "telegram_mentions" 
  | extend MappedSeverity = Severity  
version: 1.0.0
tactics:
- Reconnaissance
- ResourceDevelopment
- InitialAccess
- CommandAndControl
queryPeriod: 30m
description: |
    'Detects mentions of monitored keywords across Telegram channels and groups. Extracts message content, URLs, chat metadata, user identity, and timestamps.'
kind: Scheduled
id: 4238f545-8b6f-4f7c-80b5-14cca2cebc99
enabled: true
eventGroupingSettings:
  aggregationKind: AlertPerResult
status: Available

ARM