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

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

ARM