๐ค Question of the Day: How to approach restricted bug bounty programs with a single site in scope?
Many ask me, "How do you discover issues on bug bounty programs with only one target site in scope? What sets you apart?" While most shy away from such targets, I employ a few extra strategies that help me uncover more issues.
Here are the top 5 approaches I use on these targets:
1๏ธโฃ Check for Mobile Apps: Even if the mobile app isn't in scope, it's worth inspecting. I've found many programs with Android apps not explicitly listed in scope, yet they call the same in-scope APIs or target sites. This reveals overlooked endpoints, leading to more reported security issues.
2๏ธโฃ Subdomain Takeovers: Unless explicitly excluded, programs often accept these issues, even when they've specified only the root domain as in-scope.
3๏ธโฃ Analyze JavaScript Files: Install and analyze all JS files, including archived ones. The goal is to identify as many endpoints as possible, including legacy ones that may still be active, presenting numerous opportunities to find security issues.
4๏ธโฃ Mobile App API Endpoints: Install all versions of mobile apps and extract endpoints from the Java source code. This reveals endpoints used across various releases, uncovering many testable endpoints and potential security bugs.
5๏ธโฃ Explore Premium Features: Consider obtaining a paid account on these services. Free trial schemes or money-back guarantee packages are often available. Treat it as a $50 investment to explore premium features. You'll be amazed at the possibilities a paid account can open up for finding bugs.
Takeaways: Don't give up on restricted targets; there's more beneath the surface. Think creatively, and explore areas others might overlook. You'll be surprised by the results! ๐๐ก
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