let lbperiod = 14d;
let lbtime = 1h;
BoxEvents
| where TimeGenerated between (ago(lbperiod) .. ago(lbtime))
| where EventType =~ 'COLLABORATION_INVITE'
| where AdditionalDetailsRole !~ 'Owner'
| summarize min(TimeGenerated) by AccessibleByName, FileDirectory, AdditionalDetailsRole
| project AccessibleByName, FileDirectory, InitialRole = AdditionalDetailsRole
|join (BoxEvents
| where EventType =~ 'COLLABORATION_ROLE_CHANGE'
| summarize max(TimeGenerated) by AccessibleByName, FileDirectory, AdditionalDetailsRole
| project AccessibleByName, FileDirectory, NewRole = AdditionalDetailsRole
) on FileDirectory, AccessibleByName
| where NewRole =~ 'Owner'
| project AccessibleByName, FileDirectory
| extend AccountCustomEntity = AccessibleByName
status: Available
queryFrequency: 1h
description: |
'Detects when user collaboration role is changed to owner.'
severity: Medium
version: 1.0.0
relevantTechniques:
- T1078
name: Box - User role changed to owner
triggerThreshold: 0
kind: Scheduled
query: |
let lbperiod = 14d;
let lbtime = 1h;
BoxEvents
| where TimeGenerated between (ago(lbperiod) .. ago(lbtime))
| where EventType =~ 'COLLABORATION_INVITE'
| where AdditionalDetailsRole !~ 'Owner'
| summarize min(TimeGenerated) by AccessibleByName, FileDirectory, AdditionalDetailsRole
| project AccessibleByName, FileDirectory, InitialRole = AdditionalDetailsRole
|join (BoxEvents
| where EventType =~ 'COLLABORATION_ROLE_CHANGE'
| summarize max(TimeGenerated) by AccessibleByName, FileDirectory, AdditionalDetailsRole
| project AccessibleByName, FileDirectory, NewRole = AdditionalDetailsRole
) on FileDirectory, AccessibleByName
| where NewRole =~ 'Owner'
| project AccessibleByName, FileDirectory
| extend AccountCustomEntity = AccessibleByName
triggerOperator: gt
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Box/Analytic Rules/BoxUserRoleChangedToOwner.yaml
requiredDataConnectors:
- connectorId: BoxDataConnector
dataTypes:
- BoxEvents_CL
tactics:
- PrivilegeEscalation
id: 174c31c9-22ec-42e5-8226-814391c08200
queryPeriod: 14d
entityMappings:
- fieldMappings:
- columnName: AccountCustomEntity
identifier: FullName
entityType: Account
{
"$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/174c31c9-22ec-42e5-8226-814391c08200')]",
"kind": "Scheduled",
"name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/174c31c9-22ec-42e5-8226-814391c08200')]",
"properties": {
"alertRuleTemplateName": "174c31c9-22ec-42e5-8226-814391c08200",
"customDetails": null,
"description": "'Detects when user collaboration role is changed to owner.'\n",
"displayName": "Box - User role changed to owner",
"enabled": true,
"entityMappings": [
{
"entityType": "Account",
"fieldMappings": [
{
"columnName": "AccountCustomEntity",
"identifier": "FullName"
}
]
}
],
"OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Box/Analytic Rules/BoxUserRoleChangedToOwner.yaml",
"query": "let lbperiod = 14d;\nlet lbtime = 1h;\nBoxEvents\n| where TimeGenerated between (ago(lbperiod) .. ago(lbtime))\n| where EventType =~ 'COLLABORATION_INVITE'\n| where AdditionalDetailsRole !~ 'Owner'\n| summarize min(TimeGenerated) by AccessibleByName, FileDirectory, AdditionalDetailsRole\n| project AccessibleByName, FileDirectory, InitialRole = AdditionalDetailsRole\n|join (BoxEvents\n | where EventType =~ 'COLLABORATION_ROLE_CHANGE'\n | summarize max(TimeGenerated) by AccessibleByName, FileDirectory, AdditionalDetailsRole\n | project AccessibleByName, FileDirectory, NewRole = AdditionalDetailsRole\n ) on FileDirectory, AccessibleByName\n| where NewRole =~ 'Owner'\n| project AccessibleByName, FileDirectory\n| extend AccountCustomEntity = AccessibleByName\n",
"queryFrequency": "PT1H",
"queryPeriod": "P14D",
"severity": "Medium",
"status": "Available",
"subTechniques": [],
"suppressionDuration": "PT1H",
"suppressionEnabled": false,
"tactics": [
"PrivilegeEscalation"
],
"techniques": [
"T1078"
],
"templateVersion": "1.0.0",
"triggerOperator": "GreaterThan",
"triggerThreshold": 0
},
"type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
}
]
}