Aws Ami Shared Public

Date: 2023-03-31 ID: cc9b2602-efc9-11eb-926b-5511f09431bb Author: Bhavin Patel Environment: attack_range Directory: aws_ami_shared_public

Description

Adversaries made suspicious AWS AMI attribute modifications, such as sharing it with another AWS account or making the full AMI image public. Adversaries are known to abuse these APIs to exfiltrate sensitive organization information stored in the AWS Resources, there by its very important to monitor these seemingly benign API activity in Cloudtrail logs.

MITRE ATT&CK Techniques

ID	Technique	Tactic
T1537	Transfer Data to Cloud Account	Exfiltration

Environment Details

Field	Value
Environment	attack_range
Directory	aws_ami_shared_public
Test Date	2023-03-31

Datasets

The following datasets were collected during this attack simulation:

Aws_cloudtrail_events-Json

Path: /datasets/attack_techniques/T1537/aws_ami_shared_public/aws_cloudtrail_events.json
Sourcetype: aws:cloudtrail
Source: aws_cloudtrail

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

Detection Name	Type	Source	MITRE ATT&CK	Analytic Story
AWS AMI Attribute Modification for Exfiltration	`TTP`	Cloud	T1537	Suspicious Cloud Instance Activities, Data Exfiltration

Usage Instructions

Replay with Splunk Attack Data

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

1python replay.py --dataset /datasets/attack_techniques/T1537/aws_ami_shared_public/aws_cloudtrail_events.json --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

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

Source: GitHub | Version: 1.0