Aws Create Policy Version

Description

This search looks for CloudTrail events where a user created a policy version that allows them to access any resource in their account

MITRE ATT&CK Techniques

ID Technique Tactic
T1078 Valid Accounts Defense Evasion, Initial Access, Persistence, Privilege Escalation

Environment Details

Field Value
Environment attack_range
Directory aws_create_policy_version
Test Date 2021-02-22

Datasets

The following datasets were collected during this attack simulation:

Aws_cloudtrail_events-Json

  • Path: /datasets/attack_techniques/T1078/aws_create_policy_version/aws_cloudtrail_events.json
  • Sourcetype: aws:cloudtrail
  • Source: aws_cloudtrail

Asl_ocsf_cloudtrail-Json

  • Path: /datasets/attack_techniques/T1078/aws_create_policy_version/asl_ocsf_cloudtrail.json
  • Sourcetype: aws:cloudtrail:lake
  • Source: aws_asl

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

Detection Name Type Source MITRE ATT&CK Analytic Story
AWS Create Policy Version to allow all resources TTP Cloud T1078.004 AWS IAM Privilege Escalation
ASL AWS Create Policy Version to allow all resources TTP Cloud T1078.004 AWS IAM Privilege Escalation, 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/T1078/aws_create_policy_version/aws_cloudtrail_events.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