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subjack - Hostile Subdomain Takeover tool written in Go

| Post sponsored by FaradaySEC | Multiuser Pentest Environment

subjack is a Hostile Subdomain Takeover tool written in Go designed to scan a list of subdomains concurrently and identify ones that are able to be hijacked. With Go's speed and efficiency, this tool really stands out when it comes to mass-testing. Always double check the results manually to rule out false positives.

Installing
You need have Go installed. Full details of installation and set up can be found here.
go build subjack.go

How To Use:
./subjack -w domains.txt -t 100 -timeout 30 -o results.txt -https
  • -w domains.txt is your list of subdomains. I recommend using cname.sh (included in repository) to sift through your subdomain list for ones that have CNAME records attached and use that list to optimize and speed up testing.
  • -t is the number of threads (Default: 10 threads).
  • -timeout is the seconds to wait before timeout connection (Default: 10 seconds).
  • -o results.txt where to save results to (Optional).
  • -https enforces https requests which may return a different set of results and increase accuracy (Optional).
Currently checks for:
  • Amazon S3 Bucket
  • Amazon Cloudfront
  • Cargo
  • Fastly
  • FeedPress
  • Ghost
  • Github
  • Helpjuice
  • Help Scout
  • Heroku
  • Pantheon.io
  • Shopify
  • Surge
  • Tumblr
  • UserVoice
  • WordPress
  • WP Engine

Practical Use
subjack included scanio.sh which is kind of a PoC script to mass-locate vulnerable subdomains using results from Rapid7's Project Sonar. This script parses and greps through the dump for desired CNAME records and makes a large list of subdomains to check with subjack if they're vulnerable to Hostile Subdomain Takeover. Of course this isn't the only method to get a large amount of data to test.


subjack - Hostile Subdomain Takeover tool written in Go subjack - Hostile Subdomain Takeover tool written in Go Reviewed by Zion3R on 10:21 AM Rating: 5