GitHub Repo

Gcp Failed Mfa

Date: 2022-10-14 ID: 6edb20af-362b-417b-87e4-fa1d7aa8ca2c Author: Mauricio Velazco Environment: attack_range Directory: gcp_failed_mfa

Description

Manually authenticated to the GCP portal and failed to pass MFA challenge by typing in a wrong code. Tenant specific details have been replaced in the dataset including tenant id, user names, ips, etc.

MITRE ATT&CK Techniques

ID Technique Tactic
T1621 Multi-Factor Authentication Request Generation Credential Access

Environment Details

Field Value
Environment attack_range
Directory gcp_failed_mfa
Test Date 2022-10-14

Datasets

The following datasets were collected during this attack simulation:

Gws_login

  • Path: /datasets/attack_techniques/T1621/gcp_failed_mfa/gws_login.log
  • Sourcetype: gws:reports:login
  • Source: gws:reports:login

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

Detection Name Type Source MITRE ATT&CK Analytic Story
GCP Authentication Failed During MFA Challenge TTP Cloud T1078.004, T1586.003, T1621 GCP Account Takeover, Scattered Lapsus$ Hunters

Usage Instructions

Replay with Splunk Attack Data

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

1python replay.py --dataset /datasets/attack_techniques/T1621/gcp_failed_mfa/gws_login.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

Related Content

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

Source: GitHub | Version: 1.0