Sigma rule: AWS Bucket Deleted

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-4dc6943f5a6d, updated 2025-10-19T00:00:00.000Z.

Rule

Title
AWS Bucket Deleted
Status
experimental
Level
medium
Author
Ivan Saakov, Nasreddine Bencherchali
Date
2025-10-19
File
rules/cloud/aws/cloudtrail/aws_cloudtrail_bucket_deleted.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects the deletion of S3 buckets in AWS CloudTrail logs.
Monitoring the deletion of S3 buckets is critical for security and data integrity, as it may indicate potential data loss or unauthorized access attempts.

Log source

product
aws
service
cloudtrail

Detection

selection_event_name:
    eventName: 'DeleteBucket'
selection_status_success:
    errorCode: 'Success'
selection_status_null:
    errorCode: null
condition: selection_event_name and 1 of selection_status_*

False positives (as the rule lists them)

  • During maintenance operations or testing, authorized administrators may delete S3 buckets as part of routine data management or cleanup activities.

Tags

  • attack.stealth

References

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/cloud/aws/cloudtrail/aws_cloudtrail_bucket_deleted.yml

Sources and licences

  • SigmaHQ

    "AWS Bucket Deleted" by Ivan Saakov, Nasreddine Bencherchali (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/cloud/aws/cloudtrail/aws_cloudtrail_bucket_deleted.yml.
    Licensed under the Detection Rule License (DRL) 1.1: https://github.com/SigmaHQ/Detection-Rule-License

    Detection Rule License (DRL) 1.1

Cite this page

Dragons Eye Ransomware Tracker, "Sigma rule: AWS Bucket Deleted",
entity page, dataset version ref-4dc6943f5a6d, updated 2025-10-19T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/39c9f26d-6e3b-4dbb-9c7a-4154b0281112 (accessed 2026-11-03).
Underlying source: SigmaHQ rule 39c9f26d-6e3b-4dbb-9c7a-4154b0281112, commit ccbb0369507f796db0b0ae6854c8a2be471b9d84.

Pages change. The dataset version identifies the data, but no archive of old versions is kept, so this citation cannot be replayed later.