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

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

ARM