Microsoft Sentinel Analytic Rules
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Preview GitHub - User visibility Was changed

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Id0b85a077-8ba5-4cb5-90f7-1e882afe20c9
Rulename(Preview) GitHub - User visibility Was changed
DescriptionDetect activities when a user visibility Was changed. This query runs every day and its severity is Medium.
SeverityMedium
TacticsInitialAccess
TechniquesT1078
KindScheduled
Query frequency1d
Query period7d
Trigger threshold0
Trigger operatorgt
Source Urihttps://github.com/Azure/Azure-Sentinel/blob/master/Solutions/GitHub/Analytic Rules/(Preview) GitHub - User visibility Was changed.yaml
Version1.0.1
Arm template0b85a077-8ba5-4cb5-90f7-1e882afe20c9.json
Deploy To Azure
GitHubAuditData
| where Visibility != PreviousVisibility
| project Actor, PreviousVisibility, Visibility
| extend Name = iif(Actor contains "@", split(Actor, "@")[0], Actor)
| extend UPNSuffix = iif(Actor contains "@", split(Actor, "@")[1], "")
id: 0b85a077-8ba5-4cb5-90f7-1e882afe20c9
name: (Preview) GitHub - User visibility Was changed
triggerOperator: gt
status: Available
query: |
  GitHubAuditData
  | where Visibility != PreviousVisibility
  | project Actor, PreviousVisibility, Visibility
  | extend Name = iif(Actor contains "@", split(Actor, "@")[0], Actor)
  | extend UPNSuffix = iif(Actor contains "@", split(Actor, "@")[1], "")  
queryPeriod: 7d
requiredDataConnectors: []
severity: Medium
queryFrequency: 1d
relevantTechniques:
- T1078
version: 1.0.1
kind: Scheduled
tactics:
- InitialAccess
triggerThreshold: 0
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/GitHub/Analytic Rules/(Preview) GitHub - User visibility Was changed.yaml
entityMappings:
- fieldMappings:
  - identifier: FullName
    columnName: Actor
  - identifier: Name
    columnName: Name
  - identifier: UPNSuffix
    columnName: UPNSuffix
  entityType: Account
description: |
    'Detect activities when a user visibility Was changed. This query runs every day and its severity is Medium.'
{
  "$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/0b85a077-8ba5-4cb5-90f7-1e882afe20c9')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/0b85a077-8ba5-4cb5-90f7-1e882afe20c9')]",
      "properties": {
        "alertRuleTemplateName": "0b85a077-8ba5-4cb5-90f7-1e882afe20c9",
        "customDetails": null,
        "description": "'Detect activities when a user visibility Was changed. This query runs every day and its severity is Medium.'\n",
        "displayName": "(Preview) GitHub - User visibility Was changed",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "Account",
            "fieldMappings": [
              {
                "columnName": "Actor",
                "identifier": "FullName"
              },
              {
                "columnName": "Name",
                "identifier": "Name"
              },
              {
                "columnName": "UPNSuffix",
                "identifier": "UPNSuffix"
              }
            ]
          }
        ],
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/GitHub/Analytic Rules/(Preview) GitHub - User visibility Was changed.yaml",
        "query": "GitHubAuditData\n| where Visibility != PreviousVisibility\n| project Actor, PreviousVisibility, Visibility\n| extend Name = iif(Actor contains \"@\", split(Actor, \"@\")[0], Actor)\n| extend UPNSuffix = iif(Actor contains \"@\", split(Actor, \"@\")[1], \"\")\n",
        "queryFrequency": "P1D",
        "queryPeriod": "P7D",
        "severity": "Medium",
        "status": "Available",
        "subTechniques": [],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "InitialAccess"
        ],
        "techniques": [
          "T1078"
        ],
        "templateVersion": "1.0.1",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}