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OBS Recon

OBS Recon is a python script created to download interesting files from open OBS buckets on HUAWEI Cloud. Files with certain extensions are downloaded and saved for information disclosure/cloud security misconfiguration analysis, or to even be sent to the SIEM for alerting SOC.

Installing

Prerequisites

  • Python 2.7

Dependencies

  • beautifulSoup

Installation

$ git clone https://github.com/west-wind/OBS-Recon.git
$ cd OBS-Recon
$ python obs-recon.py

Intended Use

The intention of this script is to find & download interesting files from open OBS buckets on HUAWEI Cloud. The idea is to ensure tenants configure OBS bucket security correctly. This can be used by HUAWEI Cloud Service Providers/Auditors to monitor open OBS bucketsby alerting SOC when an open bucket is found.

It is the end user's responsibility to obey all applicable local, state and federal laws; and it is the end-users responsibility to obtain relevant authorisation from the OBS bucket tenant/owner prior to scan/download. Developer assume no liability and are not responsible for any misuse or damage caused by this program.

Getting Started

This script requires the user to input the extension of files this code needs to download in line 32 in - exten tuple. Finally, a list of OBS bucket URL's need to be saved as a TXT file -url_list.txt to the same directory the code is in. The code will read OBS bucket URL's from this file and scan the same and download files from these buckets.

To begin

  • Create TXT file with title -- url_list.txt with OBS bucket URL's and save to the OBS-Recon directory.

    $ cd OBS-Recon $ python obs-recon.py

All the results will then be output to a csv file - results.csv.

Output

As detailed above, if open buckets are found, files will be downloaded to the same directory this code resides. Additionally, the output CSV can be sent to a SIEM for parsing and correlation rule regarding open buckets can be created to alert SOC personnel.

Reporting Errors

If you encounter an error, create an issue here.

Built With

  • Python

Authors

Alex John, B. (@Praetorian_GRD)

License

Copyright (C) 2022 Alex John, B. This project is licensed under the MIT License - see the LICENSE.md file for details.