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Fresh Onions TOR Hidden Service Crawler

This is a copy of the source for the http://zlal32teyptf4tvi.onion hidden service, which implements a tor hidden service crawler / spider and web site.


  • Crawls the darknet looking for new hidden service
  • Find hidden services from a number of clearnet sources
  • Optional fulltext elasticsearch support
  • Marks clone sites of the /r/darknet superlist
  • Finds SSH fingerprints across hidden services
  • Finds email addresses across hidden services
  • Finds bitcoin addresses across hidden services
  • Shows incoming / outgoing links to onion domains
  • Up-to-date alive / dead hidden service status
  • Portscanner
  • Search for "interesting" URL paths, useful 404 detection
  • Automatic language detection
  • Fuzzy clone detection (requires elasticsearch, more advanced than superlist clone detection)


This software is made available under the GNU Affero GPL 3 License.. What this means is that is you deploy this software as part of networked software that is available to the public, you must make the source code available (and any modifications).

From the GNU site:

The GNU Affero General Public License is a modified version of the ordinary GNU GPL version 3. It has one added requirement: if you run a modified program on a server and let other users communicate with it there, your server must also allow them to download the source code corresponding to the modified version running there


  • python
  • tor

pip install:

pip install -r requirements.txt


Create mysql db from schema.sql

Edit etc/database for your database setup

Edit etc/proxy for your TOR setup

script/ someoniondirectory.onion 
script/ anotheroniondirectory.onion

Edit etc/uwsgi_only and set BASEDIR to wherever torscraper is installed (i.e. /home/user/torscraper)


init/ # to start crawling
init/ # to keep site status up to date

Optional ElasticSearch Fulltext Search

The torscraper comes with optional elasticsearch capability (enabled by default). Edit etc/elasticsearch and set vars or set ELASTICSEARCH_ENABLED=false to disable. Run scripts/ to perform the initial setup after configuration.

if elasticsearch is disabled there will be no fulltext search, however crawling and discovering new sites will still work.


# harvest onions from various sources
1 18 * * * /home/scraper/torscraper/scripts/

# get ssh fingerprints for new sites
1 4,16 * * * /home/scraper/torscraper/scripts/

# mark sites as genuine / fake from the /r/darknetmarkets superlist    
1 9 * * 1 /home/scraper/torscraper/scripts/

# scrape pastebin for onions (needs paid account / IP whitelisting)                 
*/5 * * * * /home/scraper/torscraper/scripts/

# portscan new onions               
1 */6 * * * /home/scraper/torscraper/scripts/

# scrape stronghold paste
32 */2 * * * /home/scraper/torscraper/scripts/

# detect clones
16 3 * * * /home/scraper/torscraper/scripts/


Fresh Onions runs on two servers, a frontend host running the database and hidden service web site, and a backend host running the crawler. Probably most interesting to the reader is the setup for the backend. TOR as a client is COMPLETELY SINGLETHREADED. I know! It's 2017, and along with a complete lack of flying cars, TOR runs in a single thread. What this means is that if you try to run a crawler on a single TOR instance you will quickly find you are maxing out your CPU at 100%.

The solution to this problem is running multiple TOR instances and connecting to them through some kind of frontend that will round-robin your requests. The Fresh Onions crawler runs eight Tor instances.

Debian (and ubuntu) comes with a useful program "tor-instance-create" for quickly creating multiple instances of TOR. I used Squid as my frontend proxy, but unfortunately it can't connect to SOCKS directly, so I used "privoxy" as an intermediate proxy. You will need one privoxy instance for every TOR instance. There is a script in "scripts/" to help with creating privoxy instances on debian systems. It also helps to replace /etc/privoxy/default.filter with an empty file, to reduce CPU load by removing unnecessary regexes.

Additionally, this resource might be useful in setting up squid. If all you are doing is crawling and don't care about anonymity, I also recommend running TOR in tor2web mode (required recompilation) for increased speed


Fresh Onions is an open source TOR spider / hidden service onion crawler hosted at zlal32teyptf4tvi.onion





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