Probable_Subdomains : Subdomains Analysis And Generation Tool

Probable_Subdomains is a Subdomains Analysis And Generation Tool

Online tool: https://weakpass.com/generate/domains

TL;DR

During bug bounties, penetrations tests, red teams exercises, and other great activities, there is always a room when you need to launch amass, subfinder, sublister, or any other tool to find subdomains you can use to break through – like test.google.com, dev.admin.paypal.com or staging.ceo.twitter.com. Within this repository, you will be able to find out the answers to the following questions:

What are the most popular subdomains?
What are the most common words in multilevel subdomains on different levels?
What are the most used words in subdomains?

And, of course, wordlists for all of the questions above!

Methodology

As sources, I used lists of subdomains from public bugbounty programs, that were collected by chaos.projectdiscovery.io, bounty-targets-data or that just had responsible disclosure programs with a total number of 6831 domains! If subdomains appear more than in 5-10 different scopes, they will be put in a certain list. For example, if dev.stg appears both in *.google.com and *.twitter.com, it will have a frequency of 2. It does not matter how often dev.stg appears in *.google.com. That’s all – nothing more, nothing less.

Lists

Subdomains

In these lists you will find most popular subdomains as is.

Name	Words count	Size
subdomains.txt.gz	24837884	522MB
subdomains_top100.txt	100	655B
subdomains_top1000.txt	1000	6.9KB
subdomains_top10000.txt	10000	72KB

Subdomain levels

In these lists, you will find the most popular words from subdomains split by levels. F.E – dev.stg subdomain will be split into two words dev and stg. dev will have level = 2, stg – level = 1. You can use these wordlists for combinatory attacks for subdomain searches. There are several types of level.txt wordlists that follow the idea of subdomains.

Name	Words count	Size
level_1.txt.gz	7703788	148MB
level_2.txt.gz	11379683	131MB
level_3.txt.gz	1158515	14MB
level_4.txt.gz	179719	2.7MB
level_5.txt.gz	73384	860KB
level_1_top100.txt	100	620B
level_1_top1000.txt	1000	6.3K
level_2_top100.txt	100	550B
level_2_top1000.txt	1000	5.8KB
level_3_top100.txt	100	553B
level_3_top1000.txt	1000	5.2KB
level_4_top100.txt	100	530B
level_4_top1000.txt	1000	5.1KB
level_5_top100.txt	100	444B
level_5_top1000.txt	1000	5.1KB

Popular splitted subdomains

In these lists, you will find the most popular splitted words from subdomains on all levels. For example – dev.stg subdomain will be splitted in two words dev and stg.