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

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

ARM