diff --git a/rules/cloud/aws/cloudtrail/aws_disable_bucket_versioning.yml b/rules/cloud/aws/cloudtrail/aws_disable_bucket_versioning.yml new file mode 100644 index 000000000..e3694277b --- /dev/null +++ b/rules/cloud/aws/cloudtrail/aws_disable_bucket_versioning.yml @@ -0,0 +1,23 @@ +title: AWS S3 Bucket Versioning Disable +id: a136ac98-b2bc-4189-a14d-f0d0388e57a7 +status: experimental +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: medium