O365 High Number Authentications For User
Description
Used o365spray to perform a brute force attack attack against a unique O365 account with 25 passwords. Tenant specific details have been replaced in the dataset including tenant id, user names, ips, etc.
MITRE ATT&CK Techniques
| ID | Technique | Tactic |
|---|---|---|
| T1110.001 | Password Guessing | Credential Access |
Environment Details
| Field | Value |
|---|---|
| Environment | attack_range |
| Directory | o365_high_number_authentications_for_user |
| Test Date | 2023-10-10 |
Datasets
The following datasets were collected during this attack simulation:
O365_high_number_authentications_for_user
- Path:
/datasets/attack_techniques/T1110.001/o365_high_number_authentications_for_user/o365_high_number_authentications_for_user.log - Sourcetype:
linux_secure - Source:
linux_secure
Related Detections
The following detections in our security content repository use this attack data for testing:
| Detection Name | Type | Source | MITRE ATT&CK | Analytic Story |
|---|---|---|---|---|
| O365 High Number Of Failed Authentications for User | TTP |
Cloud | T1110.001 | Office 365 Account Takeover |
| High Number of Login Failures from a single source | Anomaly |
Cloud | T1110.001 | 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/T1110.001/o365_high_number_authentications_for_user/o365_high_number_authentications_for_user.log --index attack_data
Manual Import
- Download the dataset files from the paths listed above
- Configure your Splunk instance with the appropriate sourcetypes
- Import the logs using the Splunk Add Data wizard
Related Content
Find more detections and analytics for this attack technique in our security content repository.
Source: GitHub | Version: 1.0