GitHub Repo

Data Source: Office 365 Reporting Message Trace

Date: 2026-05-13

ID: b637788e-fcf0-44fa-86ea-cab81193f939

Author: Steven Dick

Description

Data source object for Office 365 Reporting Message Trace

Details

Property Value
Source o365
Sourcetype o365:reporting:messagetrace
Separator Organization
Name ▲▼ Technique ▲▼ Type ▲▼
O365 Email Password and Payroll Compromise Behavior Clear Mailbox Data, Local Email Collection, Data Destruction TTP
O365 Email Receive and Hard Delete Takeover Behavior Clear Mailbox Data, Local Email Collection, Data Destruction Anomaly
O365 Email Send and Hard Delete Exfiltration Behavior Clear Mailbox Data, Local Email Collection, Data Destruction Anomaly

Supported Apps

Event Fields

+ Fields 
  <span class="pill kill-chain">FromIP</span>
  
  <span class="pill kill-chain">Index</span>
  
  <span class="pill kill-chain">MessageId</span>
  
  <span class="pill kill-chain">MessageTraceId</span>
  
  <span class="pill kill-chain">Organization</span>
  
  <span class="pill kill-chain">Received</span>
  
  <span class="pill kill-chain">RecipientAddress</span>
  
  <span class="pill kill-chain">SenderAddress</span>
  
  <span class="pill kill-chain">Size</span>
  
  <span class="pill kill-chain">Status</span>
  
  <span class="pill kill-chain">Subject</span>
  
  <span class="pill kill-chain">ToIP</span>
  
  <span class="pill kill-chain">_bkt</span>
  
  <span class="pill kill-chain">_cd</span>
  
  <span class="pill kill-chain">_eventtype_color</span>
  
  <span class="pill kill-chain">_indextime</span>
  
  <span class="pill kill-chain">_raw</span>
  
  <span class="pill kill-chain">_serial</span>
  
  <span class="pill kill-chain">_si</span>
  
  <span class="pill kill-chain">_sourcetype</span>
  
  <span class="pill kill-chain">_subsecond</span>
  
  <span class="pill kill-chain">_time</span>
  
  <span class="pill kill-chain">action</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">dest</span>
  
  <span class="pill kill-chain">eventtype</span>
  
  <span class="pill kill-chain">host</span>
  
  <span class="pill kill-chain">index</span>
  
  <span class="pill kill-chain">internal_message_id</span>
  
  <span class="pill kill-chain">linecount</span>
  
  <span class="pill kill-chain">message_id</span>
  
  <span class="pill kill-chain">punct</span>
  
  <span class="pill kill-chain">recipient</span>
  
  <span class="pill kill-chain">recipient_count</span>
  
  <span class="pill kill-chain">recipient_domain</span>
  
  <span class="pill kill-chain">size</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">splunk_server_group</span>
  
  <span class="pill kill-chain">src</span>
  
  <span class="pill kill-chain">src_user</span>
  
  <span class="pill kill-chain">src_user_domain</span>
  
  <span class="pill kill-chain">status_code</span>
  
  <span class="pill kill-chain">subject</span>
  
  <span class="pill kill-chain">tag</span>
  
  <span class="pill kill-chain">tag::action</span>
  
  <span class="pill kill-chain">tag::eventtype</span>
  
  <span class="pill kill-chain">timeendpos</span>
  
  <span class="pill kill-chain">timestartpos</span>
  
  <span class="pill kill-chain">vendor_product</span>
  
</div>

Example Log

1{"Organization": "attackrange.onmicrosoft.com", "MessageId": "<BY5PR08MB62304A5BB7F9EE555B4CEA26DC1C2@BY5PR08MB6230.namprd08.prod.outlook.com>", "Received": "2025-01-16T21:06:46.832439", "SenderAddress": "victim_2@attack_range.lan", "RecipientAddress": "attacker_outside@gmail.com", "Subject": "Accounts and Passwords", "Status": "Delivered", "ToIP": "2607:f8b0:400e:c0d::1a", "FromIP": "189.135.168.197", "Size": 33584, "MessageTraceId": "3567c8ef-cc17-4a3f-d166-08dd3161e4fc", "Index": 3035}

Source: GitHub | Version: 2