Data Source: O365 MailItemsAccessed

Date: 2024-07-18

ID: 3d5188eb-341a-4b46-9caa-aade4047d027

Author: Patrick Bareiss, Splunk

Description

Data source object for O365 MailItemsAccessed

Details

Property	Value
Source	`o365`
Sourcetype	`o365:management:activity`
Separator	Operation

Supported Apps

Splunk Add-on for Microsoft Office 365 (version 4.5.1)

Event Fields

+ Fields

  <span class="pill kill-chain">_time</span>
  
  <span class="pill kill-chain">AppId</span>
  
  <span class="pill kill-chain">ClientAppId</span>
  
  <span class="pill kill-chain">ClientIPAddress</span>
  
  <span class="pill kill-chain">ClientInfoString</span>
  
  <span class="pill kill-chain">CreationTime</span>
  
  <span class="pill kill-chain">ExternalAccess</span>
  
  <span class="pill kill-chain">Folders{}.FolderItems{}.InternetMessageId</span>
  
  <span class="pill kill-chain">Folders{}.FolderItems{}.SizeInBytes</span>
  
  <span class="pill kill-chain">Folders{}.Id</span>
  
  <span class="pill kill-chain">Folders{}.Path</span>
  
  <span class="pill kill-chain">Id</span>
  
  <span class="pill kill-chain">InternalLogonType</span>
  
  <span class="pill kill-chain">IsThrottled</span>
  
  <span class="pill kill-chain">LogonType</span>
  
  <span class="pill kill-chain">LogonUserSid</span>
  
  <span class="pill kill-chain">MailAccessType</span>
  
  <span class="pill kill-chain">MailboxGuid</span>
  
  <span class="pill kill-chain">MailboxOwnerSid</span>
  
  <span class="pill kill-chain">MailboxOwnerUPN</span>
  
  <span class="pill kill-chain">Operation</span>
  
  <span class="pill kill-chain">OperationCount</span>
  
  <span class="pill kill-chain">OperationProperties{}.Name</span>
  
  <span class="pill kill-chain">OperationProperties{}.Value</span>
  
  <span class="pill kill-chain">OrganizationId</span>
  
  <span class="pill kill-chain">OrganizationName</span>
  
  <span class="pill kill-chain">OriginatingServer</span>
  
  <span class="pill kill-chain">RecordType</span>
  
  <span class="pill kill-chain">ResultStatus</span>
  
  <span class="pill kill-chain">UserId</span>
  
  <span class="pill kill-chain">UserKey</span>
  
  <span class="pill kill-chain">UserType</span>
  
  <span class="pill kill-chain">Version</span>
  
  <span class="pill kill-chain">Workload</span>
  
  <span class="pill kill-chain">app</span>
  
  <span class="pill kill-chain">authentication_service</span>
  
  <span class="pill kill-chain">command</span>
  
  <span class="pill kill-chain">date_hour</span>
  
  <span class="pill kill-chain">date_mday</span>
  
  <span class="pill kill-chain">date_minute</span>
  
  <span class="pill kill-chain">date_month</span>
  
  <span class="pill kill-chain">date_second</span>
  
  <span class="pill kill-chain">date_wday</span>
  
  <span class="pill kill-chain">date_year</span>
  
  <span class="pill kill-chain">date_zone</span>
  
  <span class="pill kill-chain">dvc</span>
  
  <span class="pill kill-chain">host</span>
  
  <span class="pill kill-chain">index</span>
  
  <span class="pill kill-chain">linecount</span>
  
  <span class="pill kill-chain">punct</span>
  
  <span class="pill kill-chain">signature</span>
  
  <span class="pill kill-chain">source</span>
  
  <span class="pill kill-chain">sourcetype</span>
  
  <span class="pill kill-chain">splunk_server</span>
  
  <span class="pill kill-chain">status</span>
  
  <span class="pill kill-chain">timeendpos</span>
  
  <span class="pill kill-chain">timestartpos</span>
  
  <span class="pill kill-chain">user</span>
  
  <span class="pill kill-chain">user_id</span>
  
  <span class="pill kill-chain">user_type</span>
  
  <span class="pill kill-chain">vendor_account</span>
  
  <span class="pill kill-chain">vendor_product</span>
  
</div>

Example Log

1{"CreationTime": "2024-02-01T16:07:34", "Id": "9cef02e9-4bfa-4c73-be7d-9dad68b9cea8", "Operation": "MailItemsAccessed", "OrganizationId": "75243ab2-44f8-435c-a7a6-b479385df6d4", "RecordType": 50, "ResultStatus": "Succeeded", "UserKey": "100320030DF47B14", "UserType": 0, "Version": 1, "Workload": "Exchange", "UserId": "user15@splunkresearch.onmicrosoft.com", "AppId": "47629505-c2b6-4a80-adb1-9b3a3d233b7b", "ClientAppId": "47629505-c2b6-4a80-adb1-9b3a3d233b7b", "ClientIPAddress": "120.1.121.35", "ClientInfoString": "Client=WebServices;ExchangeWebServicesProxy/CrossSite/EXCH/15.20.7249.024/python-requests/2.25.1[AppId=47629505-c2b6-4a80-adb1-9b3a3d233b7b];", "ExternalAccess": false, "InternalLogonType": 0, "LogonType": 0, "LogonUserSid": "S-1-5-21-1148582062-3132321681-773847816-49307764", "MailboxGuid": "7cfcc8fc-0d4a-4e1c-9592-dbb3de1e3859", "MailboxOwnerSid": "S-1-5-21-1148582062-3132321681-773847816-49307764", "MailboxOwnerUPN": "user15@splunkresearch.onmicrosoft.com", "OperationProperties": [{"Name": "MailAccessType", "Value": "Bind"}, {"Name": "IsThrottled", "Value": "False"}], "OrganizationName": "splunkresearch.onmicrosoft.com", "OriginatingServer": "CH0PR18MB5530 (15.20.4200.000)\r\n", "Folders": [{"FolderItems": [{"InternetMessageId": "<CAFpGju6Zzs6HoCNQsDh0=F=vS7KHikisdRrnC_avRsZhqK2iXQ@mail.mail.com>", "SizeInBytes": 44329}, {"InternetMessageId": "<CAFpGju6MHeSA5yKSaPK4w+p1uYWmZ_zew8kF8200_=DtqkvipA@mail.mail.com>", "SizeInBytes": 44304}, {"InternetMessageId": "<CAFpGju7uUnyyuZmuc9rm593BsA6yeB+86GCDg5KzSE48TaAb4Q@mail.mail.com>", "SizeInBytes": 44572}, {"InternetMessageId": "<CH0PR18MB5530506D1B68B05A99A1109FF185A@CH0PR18MB5530.namprd18.prod.outlook.com>", "SizeInBytes": 245068}], "Id": "LgAAAAC0AxwgOj/BRq9Bs1bhMPw/AQDh+UNSDzeHSLWfq+fr83BDAAAAAAEMAAAB", "Path": "\\Inbox"}], "OperationCount": 4}

Source: GitHub | Version: 1