second-order: subdomain takeover scanner

Second Order
Scans web applications for second-order subdomain takeover by crawling the app, and collecting URLs (and other data) that match some specific rules, or respond in a specific way.

Installation
Go version >= 1.8 is required.

go get github.com/mhmdiaa/second-order

This will download the code, compile it, and leave a second-order binary in $GOPATH/bin.

Command line options

 -base string

       Base link to start scraping from (default "http://127.0.0.1")

 -concurrency int

       Maximum number of concurrent requests (default 1)

 -config string

       Configuration file (default "config.json")

 -debug

       Print visited links in real-time to stdout

 -output string

       Directory to save results in (default "output")

Example

go run second-order.go -base https://example.com -config config.json -output example.com -concurrency 10

Configuration File

Example configuration file included (config.json)

• Headers: A map of headers that will be sent with every request.
• Depth: Crawling depth.
• LogCrawledURLs: If this is set to true, Second Order will log the URL of every crawled page.
• LogQueries: A map of tag-attribute queries that will be searched for in crawled pages. For example, "a": "href" means log every href attribute of every a tag.
• LogURLRegex: A list of regular expressions that will be matched against the URLs that are extracted using the queries in LogQueries; if left empty, all URLs will be logged.
• LogNon200Queries: A map of tag-attribute queries that will be searched for in crawled pages, and logged only if they don’t return a 200 status code.
• ExcludedURLRegex: A list of regular expressions whose matching URLs will not be accessed by the tool.
• ExcludedStatusCodes: A list of status codes; if any page responds with one of these, it will be excluded from the results of LogNon200Queries; if left empty, all non-200 pages’ URLs will be logged.
• LogInlineJS: If this is set to true, Second Order will log the contents of every script tag that doesn’t have a srcattribute.

Output Directory Structure

All results are saved in JSON files that specify what and where data was found

OUTPUT

      logged-queries.json         -> The results of `LogQueries`

      logged-non-200-queries.json -> The results of `LogNon200Queries`

      inline-scripts.json         -> The results of `LogInlineJS`

Source: https://github.com/mhmdiaa/