Analytic rule catalog
NordPass - Deleting items of deleted member
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| Id | 0068dca4-dea0-46a3-a970-655e067a145f |
| Rulename | NordPass - Deleting items of deleted member |
| Description | This will alert you if the deleted user’s items have been removed without being transferred to another active user, as this could result in the loss of access to critical tools or information. |
| Severity | High |
| Tactics | Impact |
| Techniques | T1485 |
| Required data connectors | NordPass |
| Kind | Scheduled |
| Query frequency | 5m |
| Query period | 5m |
| Trigger threshold | 0 |
| Trigger operator | gt |
| Source Uri | https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/NordPass/Analytics%20Rules/nordpass_items_reassignment_deletion.yaml |
| Version | 1.0.0 |
| Arm template | 0068dca4-dea0-46a3-a970-655e067a145f.json |
NordPassEventLogs_CL
| where event_type == "item_delete"
| where action == "item_reassignment_deleted"
| extend TargetEmail = user_email
entityMappings:
- fieldMappings:
- identifier: MailboxPrimaryAddress
columnName: TargetEmail
entityType: Mailbox
id: 0068dca4-dea0-46a3-a970-655e067a145f
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/NordPass/Analytics%20Rules/nordpass_items_reassignment_deletion.yaml
tactics:
- Impact
kind: Scheduled
requiredDataConnectors:
- dataTypes:
- NordPassEventLogs_CL
connectorId: NordPass
queryPeriod: 5m
triggerThreshold: 0
severity: High
relevantTechniques:
- T1485
displayName: Deleting items of deleted member
version: 1.0.0
name: NordPass - Deleting items of deleted member
triggerOperator: gt
query: |
NordPassEventLogs_CL
| where event_type == "item_delete"
| where action == "item_reassignment_deleted"
| extend TargetEmail = user_email
description: |
This will alert you if the deleted user's items have been removed without being transferred to another active user, as this could result in the loss of access to critical tools or information.
queryFrequency: 5m
incidentConfiguration:
createIncident: false
{
"$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/0068dca4-dea0-46a3-a970-655e067a145f')]",
"kind": "Scheduled",
"name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/0068dca4-dea0-46a3-a970-655e067a145f')]",
"properties": {
"alertRuleTemplateName": "0068dca4-dea0-46a3-a970-655e067a145f",
"customDetails": null,
"description": "This will alert you if the deleted user's items have been removed without being transferred to another active user, as this could result in the loss of access to critical tools or information.\n",
"displayName": "NordPass - Deleting items of deleted member",
"enabled": true,
"entityMappings": [
{
"entityType": "Mailbox",
"fieldMappings": [
{
"columnName": "TargetEmail",
"identifier": "MailboxPrimaryAddress"
}
]
}
],
"incidentConfiguration": {
"createIncident": false
},
"OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/NordPass/Analytics%20Rules/nordpass_items_reassignment_deletion.yaml",
"query": "NordPassEventLogs_CL\n| where event_type == \"item_delete\"\n| where action == \"item_reassignment_deleted\"\n| extend TargetEmail = user_email\n",
"queryFrequency": "PT5M",
"queryPeriod": "PT5M",
"severity": "High",
"subTechniques": [],
"suppressionDuration": "PT1H",
"suppressionEnabled": false,
"tactics": [
"Impact"
],
"techniques": [
"T1485"
],
"templateVersion": "1.0.0",
"triggerOperator": "GreaterThan",
"triggerThreshold": 0
},
"type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
}
]
}