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

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

ARM