Cyber Risks · PortSwigger Research

Backup Finder

Summary: PortSwigger's BApp Store lists Backup Finder, a Burp Suite extension by Moein Fatehi (version 0.2, last updated 04 August 2022) that reviews backup, old, temporary, and unreferenced files on a webserver for sensitive information. The author states that most available backup-finder tools rely only on static built-in dictionaries, while this extension generates dynamic payloads based on the target being tested, using data collected actively or passively in the target tab as its feed.

What you should know: The extension's own guidance says results depend on first crawling the domain and, where authentication is required, logging in and submitting forms to surface more files and directories - so the exposure it finds is bounded by how thoroughly someone maps the target first.

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Topics
Vulnerabilities & Patching
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