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s3scannerstdout

The s3scannerstdout tool is designed to identify open Amazon S3 buckets and enumerate their contents across various cloud providers. Within automated security workflows, this tool serves as a critical component for cloud storage discovery, helping teams assess cloud asset exposure and security posture.

Ideal Use Cases & Fit​

This tool excels in scenarios such as:

  • Conducting initial reconnaissance of cloud storage assets to uncover misconfigured S3 buckets.
  • Assessing the security of cloud-based environments during security audits or penetration testing campaigns.
  • Enumerating bucket contents when validating the security of assets post-disclosure.

It is particularly effective when provided with a list of known bucket names. However, it may not be ideal for automated rapid scans requiring immediate results due to potential time-consuming enumeration processes.

Value in Workflows​

Incorporating s3scannerstdout into security workflows enhances both discovery and verification steps. It can be positioned early in the reconnaissance phase to gather intelligence on cloud storage assets or used in post-processing stages to validate and detail findings. This tool not only highlights security vulnerabilities but also assists in establishing a comprehensive overview of cloud storage exposure.

Input Data​

The tool requires input in the following format:

  • Format: Newline-separated bucket names
  • Function: Target
  • Required: Yes
    Example:
example.com
bucket123
assets

Configuration​

  • enumerate: Controls whether to enumerate bucket objects (can be time-consuming). Default is set to false.

  • provider: Specifies the object storage provider (options include aws, custom, digitalocean, dreamhost, gcp, linode, scaleway). Default provider is aws.