O365 Mailbox Forwarding Enabled

Description

Configured forwarding rules for mailboxes in Office 365.

MITRE ATT&CK Techniques

ID Technique Tactic
T1114.003 Email Forwarding Rule Collection

Environment Details

Field Value
Environment attack_range
Directory o365_mailbox_forwarding_enabled
Test Date 2020-12-16

Datasets

The following datasets were collected during this attack simulation:

O365_mailbox_forwarding_enabled-Json

  • Path: /datasets/attack_techniques/T1114.003/o365_mailbox_forwarding_enabled/o365_mailbox_forwarding_enabled.json
  • Sourcetype: o365:management:activity
  • Source: o365

The following detections in our security content repository use this attack data for testing:

Detection Name Type Source MITRE ATT&CK Analytic Story
O365 Mailbox Email Forwarding Enabled TTP Cloud T1114.003 Office 365 Collection Techniques

Usage Instructions

Replay with Splunk Attack Data

Replay attack data with replay.py from Splunk Attack Data.

1python replay.py --dataset /datasets/attack_techniques/T1114.003/o365_mailbox_forwarding_enabled/o365_mailbox_forwarding_enabled.json --index attack_data

Manual Import

  1. Download the dataset files from the paths listed above
  2. Configure your Splunk instance with the appropriate sourcetypes
  3. Import the logs using the Splunk Add Data wizard

Find more detections and analytics for this attack technique in our security content repository.


Source: GitHub | Version: 1.0