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

ARM