Microsoft Sentinel Analytic Rules
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BitSight - drop in the headline rating

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Idb11fdc35-6368-4cc0-8128-52cd2e2cdda0
RulenameBitSight - drop in the headline rating
DescriptionRule helps to detect if headline ratings is drop in BitSight.
SeverityHigh
TacticsCommandAndControl
Required data connectorsBitSight
KindScheduled
Query frequency1d
Query period24h
Trigger threshold0
Trigger operatorGreaterThan
Source Urihttps://github.com/Azure/Azure-Sentinel/blob/master/Solutions/BitSight/Analytic Rules/BitSightDropInHeadlineRating.yaml
Version1.0.0
Arm templateb11fdc35-6368-4cc0-8128-52cd2e2cdda0.json
Deploy To Azure
let timeframe = 24h;
BitSightGraphData
| where ingestion_time() > ago(timeframe)
| where toint(RatingDifferance) < 0
| project RatingDate, Rating, CompanyName, RatingDifferance
severity: High
queryFrequency: 1d
kind: Scheduled
version: 1.0.0
name: BitSight - drop in the headline rating
triggerOperator: GreaterThan
description: |
    'Rule helps to detect if headline ratings is drop in BitSight.'
incidentConfiguration:
  createIncident: false
queryPeriod: 24h
id: b11fdc35-6368-4cc0-8128-52cd2e2cdda0
alertDetailsOverride:
  alertDisplayNameFormat: 'BitSight : Alert for drop in the headline rating of {{CompanyName}}.'
  alertDescriptionFormat: 'Alert is generated for {{CompanyName}}.\n\nRating Date: {{RatingDate}}\nRating Drop: {{RatingDifferance}}'
customDetails:
  CompanyName: CompanyName
  CompanyRating: Rating
tactics:
- CommandAndControl
status: Available
triggerThreshold: 0
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/BitSight/Analytic Rules/BitSightDropInHeadlineRating.yaml
eventGroupingSettings:
  aggregationKind: AlertPerResult
query: |
  let timeframe = 24h;
  BitSightGraphData
  | where ingestion_time() > ago(timeframe)
  | where toint(RatingDifferance) < 0
  | project RatingDate, Rating, CompanyName, RatingDifferance  
requiredDataConnectors:
- dataTypes:
  - BitSightGraphData
  connectorId: BitSight
{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "workspace": {
      "type": "String"
    }
  },
  "resources": [
    {
      "apiVersion": "2023-02-01-preview",
      "id": "[concat(resourceId('Microsoft.OperationalInsights/workspaces/providers', parameters('workspace'), 'Microsoft.SecurityInsights'),'/alertRules/b11fdc35-6368-4cc0-8128-52cd2e2cdda0')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/b11fdc35-6368-4cc0-8128-52cd2e2cdda0')]",
      "properties": {
        "alertDetailsOverride": {
          "alertDescriptionFormat": "Alert is generated for {{CompanyName}}.\\n\\nRating Date: {{RatingDate}}\\nRating Drop: {{RatingDifferance}}",
          "alertDisplayNameFormat": "BitSight : Alert for drop in the headline rating of {{CompanyName}}."
        },
        "alertRuleTemplateName": "b11fdc35-6368-4cc0-8128-52cd2e2cdda0",
        "customDetails": {
          "CompanyName": "CompanyName",
          "CompanyRating": "Rating"
        },
        "description": "'Rule helps to detect if headline ratings is drop in BitSight.'\n",
        "displayName": "BitSight - drop in the headline rating",
        "enabled": true,
        "entityMappings": null,
        "eventGroupingSettings": {
          "aggregationKind": "AlertPerResult"
        },
        "incidentConfiguration": {
          "createIncident": false
        },
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/BitSight/Analytic Rules/BitSightDropInHeadlineRating.yaml",
        "query": "let timeframe = 24h;\nBitSightGraphData\n| where ingestion_time() > ago(timeframe)\n| where toint(RatingDifferance) < 0\n| project RatingDate, Rating, CompanyName, RatingDifferance\n",
        "queryFrequency": "P1D",
        "queryPeriod": "PT24H",
        "severity": "High",
        "status": "Available",
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "CommandAndControl"
        ],
        "templateVersion": "1.0.0",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}