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

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

ARM