CybleVision Alerts Telegram Mentions

Alerts_telegram_mentions 
| where Service == "telegram_mentions" 
| extend MappedSeverity = Severity

entityMappings:
- entityType: Account
  fieldMappings:
  - identifier: Name
    columnName: TG_Username2
- entityType: URL
  fieldMappings:
  - identifier: Url
    columnName: TG_Urls
name: CybleVision Alerts Telegram Mentions
kind: Scheduled
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Cyble%20Vision/Analytic%20Rules/Alerts_Telegram_Mentions.yaml
triggerOperator: GreaterThan
status: Available
customDetails:
  MappedSeverity: Severity
  Service: Service
  ChatTitle: TG_ChatTitle
  User: TG_Username2
  Tags: TG_Tags
  UpdatedDate: TG_UpdatedDate
  Message: TG_Message
  CreatedDate: TG_CreatedDate
  ChatID: TG_ChatID
  Status: Status
  AlertID: AlertID
  URLs: TG_Urls
requiredDataConnectors:
- connectorId: CybleVisionAlerts
  dataTypes:
  - CybleVisionAlerts_CL
subTechniques: []
suppressionDuration: PT5H
queryPeriod: 30m
enabled: true
tactics:
- Reconnaissance
- ResourceDevelopment
- InitialAccess
- CommandAndControl
query: |
  Alerts_telegram_mentions 
  | where Service == "telegram_mentions" 
  | extend MappedSeverity = Severity
description: |
  'Detects mentions of monitored keywords across Telegram channels and groups. Extracts message content, URLs, chat metadata, user identity, and timestamps.'
severity: Low
incidentConfiguration:
  groupingConfiguration:
    lookbackDuration: PT5H
    enabled: false
    reopenClosedIncident: false
    matchingMethod: AllEntities
  createIncident: true
id: 4238f545-8b6f-4f7c-80b5-14cca2cebc99
eventGroupingSettings:
  aggregationKind: AlertPerResult
triggerThreshold: 0
queryFrequency: 30m
alertDetailsOverride:
  alertDescriptionFormat: |
    A Telegram post mentioning monitored keywords was detected. User {{TG_Username2}}. Message {{TG_Message}} URL {{TG_Urls}}\n
  alertDynamicProperties: []
  alertDisplayNameFormat: CybleVision Telegram Mention in {{TG_ChatTitle}}
version: 1.0.0
relevantTechniques:
- T1598
- T1585
- T1102

{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "workspace": {
      "type": "String"
    }
  },
  "resources": [
    {
      "apiVersion": "2024-01-01-preview",
      "id": "[concat(resourceId('Microsoft.OperationalInsights/workspaces/providers', parameters('workspace'), 'Microsoft.SecurityInsights'),'/alertRules/4238f545-8b6f-4f7c-80b5-14cca2cebc99')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/4238f545-8b6f-4f7c-80b5-14cca2cebc99')]",
      "properties": {
        "alertDetailsOverride": {
          "alertDescriptionFormat": "A Telegram post mentioning monitored keywords was detected. User {{TG_Username2}}. Message {{TG_Message}} URL {{TG_Urls}}\\n\n",
          "alertDisplayNameFormat": "CybleVision Telegram Mention in {{TG_ChatTitle}}",
          "alertDynamicProperties": []
        },
        "alertRuleTemplateName": "4238f545-8b6f-4f7c-80b5-14cca2cebc99",
        "customDetails": {
          "AlertID": "AlertID",
          "ChatID": "TG_ChatID",
          "ChatTitle": "TG_ChatTitle",
          "CreatedDate": "TG_CreatedDate",
          "MappedSeverity": "Severity",
          "Message": "TG_Message",
          "Service": "Service",
          "Status": "Status",
          "Tags": "TG_Tags",
          "UpdatedDate": "TG_UpdatedDate",
          "URLs": "TG_Urls",
          "User": "TG_Username2"
        },
        "description": "'Detects mentions of monitored keywords across Telegram channels and groups. Extracts message content, URLs, chat metadata, user identity, and timestamps.'\n",
        "displayName": "CybleVision Alerts Telegram Mentions",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "Account",
            "fieldMappings": [
              {
                "columnName": "TG_Username2",
                "identifier": "Name"
              }
            ]
          },
          {
            "entityType": "URL",
            "fieldMappings": [
              {
                "columnName": "TG_Urls",
                "identifier": "Url"
              }
            ]
          }
        ],
        "eventGroupingSettings": {
          "aggregationKind": "AlertPerResult"
        },
        "incidentConfiguration": {
          "createIncident": true,
          "groupingConfiguration": {
            "enabled": false,
            "lookbackDuration": "PT5H",
            "matchingMethod": "AllEntities",
            "reopenClosedIncident": false
          }
        },
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Cyble%20Vision/Analytic%20Rules/Alerts_Telegram_Mentions.yaml",
        "query": "Alerts_telegram_mentions \n| where Service == \"telegram_mentions\" \n| extend MappedSeverity = Severity\n",
        "queryFrequency": "PT30M",
        "queryPeriod": "PT30M",
        "severity": "Low",
        "status": "Available",
        "subTechniques": [],
        "suppressionDuration": "PT5H",
        "suppressionEnabled": false,
        "tactics": [
          "CommandAndControl",
          "InitialAccess",
          "Reconnaissance",
          "ResourceDevelopment"
        ],
        "techniques": [
          "T1102",
          "T1585",
          "T1598"
        ],
        "templateVersion": "1.0.0",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}