AWS S3 Bucket Versioning Disable
Detects when S3 bucket versioning is disabled. Threat actors use this technique during AWS ransomware incidents prior to deleting S3 objects.
Detection logic
selection
eventSource: s3.amazonaws.com
eventName: PutBucketVersioning
requestParameters|contains: SuspendedCondition
selectionRaw YAML
title: AWS S3 Bucket Versioning Disable
id: a136ac98-b2bc-4189-a14d-f0d0388e57a7
status: test
description: Detects when S3 bucket versioning is disabled. Threat actors use this technique during AWS ransomware incidents prior to deleting S3 objects.
references:
- https://invictus-ir.medium.com/ransomware-in-the-cloud-7f14805bbe82
author: Sean Johnstone | Unit 42
date: 2023-10-28
tags:
- attack.impact
- attack.t1490
logsource:
product: aws
service: cloudtrail
detection:
selection:
eventSource: s3.amazonaws.com
eventName: PutBucketVersioning
requestParameters|contains: 'Suspended'
condition: selection
falsepositives:
- AWS administrator legitimately disabling bucket versioning
level: mediumFalse positives
- AWS administrator legitimately disabling bucket versioning