O365 User Consent File Permissions

Description

Used 365-stealer and a multi-tenant application registration to simulate a consent grant attack. Once set up, simulated a user consenting the application.

MITRE ATT&CK Techniques

ID Technique Tactic
T1528 Steal Application Access Token Credential Access

Environment Details

Field Value
Environment attack_range
Directory o365_user_consent_file_permissions
Test Date 2023-10-18

Datasets

The following datasets were collected during this attack simulation:

  • Path: /datasets/attack_techniques/T1528/o365_user_consent_file_permissions/o365_user_consent_file_permissions.log
  • 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 File Permissioned Application Consent Granted by User TTP Cloud T1528 Office 365 Account Takeover

Usage Instructions

Replay with Splunk Attack Data

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

1python replay.py --dataset /datasets/attack_techniques/T1528/o365_user_consent_file_permissions/o365_user_consent_file_permissions.log --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