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2.4 KiB
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Web Application Security Testing Methodology
1. Mapping the Application
Mapping the application is a critical initial phase in security testing. It involves understanding the visible and underlying structure of the application to effectively tailor the testing strategy.
Explore Visible Content
- Objective: Identify all publicly accessible endpoints and files.
- Methods: Use tools like web crawlers and directory brute forcing tools.
Consult Public Resources
- Objective: Gather information from publicly available sources.
- Methods: Check documentation, forums, and other related publications.
Discover Hidden Content
- Objective: Uncover potentially hidden or non-indexed directories and files.
- Methods: Employ tools that perform forced browsing and directory listing.
Discover Default Content
- Objective: Identify common or default files and directories.
- Methods: Use lists of known default installation paths and filenames.
Enumerate Identifier-Specified Functions
- Objective: Determine the functionality exposed through URL parameters or function-specific paths.
- Methods: Analyze URL patterns and parameter names for hints of underlying functionality.
Test for Debug Parameters
- Objective: Discover any leftover or undocumented debug parameters that could expose sensitive information.
- Methods: Attempt common debug parameter names and observe responses for changes in behavior or information disclosure.
2. Analyze the Application
This step involves a deeper analysis of the application's build and behavior to identify potential security vulnerabilities.
Identify Functionality
- Objective: Catalog all functions the application performs.
- Methods: Systematic usage and testing of all features.
Identify Data Entry Points
- Objective: List all points where user input is accepted.
- Methods: Review forms, API endpoints, and any other interfaces.
Identify the Technologies Used
- Objective: Determine all underlying technologies (frameworks, libraries, servers).
- Methods: HTTP headers, file extensions, and error messages can reveal software versions and types.
Map the Attack Surface
- Objective: Understand all areas of the application that can potentially be attacked.
- Methods: Combine the information from functionality, data entry points, and technology identification to visualize the complete attack surface.