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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
TacticsReconnaissance
CommandAndControl
TechniquesT1591
T1090
Required data connectorsBitSight
KindScheduled
Query frequency1d
Query period24h
Trigger threshold0
Trigger operatorGreaterThan
Source Urihttps://github.com/Azure/Azure-Sentinel/blob/master/Solutions/BitSight/Analytic%20Rules/BitSightDropInHeadlineRating.yaml
Version1.0.2
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
version: 1.0.2
tactics:
- Reconnaissance
- CommandAndControl
requiredDataConnectors:
- dataTypes:
  - BitSightGraphData
  connectorId: BitSight
queryFrequency: 1d
customDetails:
  CompanyName: CompanyName
  CompanyRating: Rating
query: |
  let timeframe = 24h;
  BitSightGraphData
  | where ingestion_time() > ago(timeframe)
  | where toint(RatingDifferance) < 0
  | project RatingDate, Rating, CompanyName, RatingDifferance
severity: High
incidentConfiguration:
  createIncident: false
status: Available
triggerThreshold: 0
kind: Scheduled
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/BitSight/Analytic%20Rules/BitSightDropInHeadlineRating.yaml
description: |
  'Rule helps to detect if headline ratings is drop in BitSight.'
triggerOperator: GreaterThan
queryPeriod: 24h
relevantTechniques:
- T1591
- T1090
id: b11fdc35-6368-4cc0-8128-52cd2e2cdda0
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}}.'
eventGroupingSettings:
  aggregationKind: AlertPerResult
name: BitSight - drop in the headline rating
{
  "$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/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%20Rules/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",
        "subTechniques": [],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "CommandAndControl",
          "Reconnaissance"
        ],
        "techniques": [
          "T1090",
          "T1591"
        ],
        "templateVersion": "1.0.2",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}