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Directory/File, DNS and VHost busting tool written in Go

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Gobuster v3.1.0

Gobuster is a tool used to brute-force:

  • URIs (directories and files) in web sites.
  • DNS subdomains (with wildcard support).
  • Virtual Host names on target web servers.
  • Open Amazon S3 buckets

Tags, Statuses, etc

Build Status [Backers on Open Collective] [Sponsors on Open Collective]

Oh dear God.. WHY!?

Because I wanted:

  1. ... something that didn't have a fat Java GUI (console FTW).
  2. ... to build something that just worked on the command line.
  3. ... something that did not do recursive brute force.
  4. ... something that allowed me to brute force folders and multiple extensions at once.
  5. ... something that compiled to native on multiple platforms.
  6. ... something that was faster than an interpreted script (such as Python).
  7. ... something that didn't require a runtime.
  8. ... use something that was good with concurrency (hence Go).
  9. ... to build something in Go that wasn't totally useless.

But it's shit! And your implementation sucks!

Yes, you're probably correct. Feel free to:

  • Not use it.
  • Show me how to do it better.

Love this tool? Back it!

If you're backing us already, you rock. If you're not, that's cool too! Want to back us? Become a backer!

Backers

All funds that are donated to this project will be donated to charity. A full log of charity donations will be available in this repository as they are processed.

Changes in 3.1

  • enumerate public AWS S3 buckets
  • fuzzing mode
  • specify HTTP method
  • added support for patterns. You can now specify a file containing patterns that are applied to every word, one by line. Every occurrence of the term {GOBUSTER} in it will be replaced with the current wordlist item. Please use with caution as this can cause increase the number of requests issued a lot.
  • The shorthand p flag which was assigned to proxy is now used by the pattern flag

Changes in 3.0

  • New CLI options so modes are strictly separated (-m is now gone!)
  • Performance Optimizations and better connection handling
  • Ability to enumerate vhost names
  • Option to supply custom HTTP headers

Available Modes

  • dir - the classic directory brute-forcing mode
  • dns - DNS subdomain brute-forcing mode
  • s3 - Enumerate open S3 buckets and look for existence and bucket listings
  • vhost - virtual host brute-forcing mode (not the same as DNS!)

Built-in Help

Help is built-in!

  • gobuster help - outputs the top-level help.
  • gobuster help <mode> - outputs the help specific to that mode.

dns Mode Help

Usage:
  gobuster dns [flags]

Flags:
  -d, --domain string      The target domain
  -h, --help               help for dns
  -r, --resolver string    Use custom DNS server (format server.com or server.com:port)
  -c, --show-cname         Show CNAME records (cannot be used with '-i' option)
  -i, --show-ips           Show IP addresses
      --timeout duration   DNS resolver timeout (default 1s)
      --wildcard           Force continued operation when wildcard found

Global Flags:
  -z, --no-progress       Don't display progress
  -o, --output string     Output file to write results to (defaults to stdout)
  -q, --quiet             Don't print the banner and other noise
  -t, --threads int       Number of concurrent threads (default 10)
      --delay duration    Time each thread waits between requests (e.g. 1500ms)
  -v, --verbose           Verbose output (errors)
  -w, --wordlist string   Path to the wordlist

dir Mode Options

Usage:
  gobuster dir [flags]

Flags:
  -f, --add-slash                     Append / to each request
  -c, --cookies string                Cookies to use for the requests
  -e, --expanded                      Expanded mode, print full URLs
  -x, --extensions string             File extension(s) to search for
  -r, --follow-redirect               Follow redirects
  -H, --headers stringArray           Specify HTTP headers, -H 'Header1: val1' -H 'Header2: val2'
  -h, --help                          help for dir
  -l, --include-length                Include the length of the body in the output
  -k, --no-tls-validation             Skip TLS certificate verification
  -n, --no-status                     Don't print status codes
  -P, --password string               Password for Basic Auth
  -p, --proxy string                  Proxy to use for requests [http(s)://host:port]
  -s, --status-codes string           Positive status codes (will be overwritten with status-codes-blacklist if set) (default "200,204,301,302,307,401,403")
  -b, --status-codes-blacklist string Negative status codes (will override status-codes if set)
      --timeout duration              HTTP Timeout (default 10s)
  -u, --url string                    The target URL
  -a, --useragent string              Set the User-Agent string (default "gobuster/3.1.0")
  -U, --username string               Username for Basic Auth
  -d, --discover-backup               Upon finding a file search for backup files
      --wildcard                      Force continued operation when wildcard found

Global Flags:
  -z, --no-progress       Don't display progress
  -o, --output string     Output file to write results to (defaults to stdout)
  -q, --quiet             Don't print the banner and other noise
  -t, --threads int       Number of concurrent threads (default 10)
      --delay duration    Time each thread waits between requests (e.g. 1500ms)
  -v, --verbose           Verbose output (errors)
  -w, --wordlist string   Path to the wordlist

vhost Mode Options

Usage:
  gobuster vhost [flags]

Flags:
  -c, --cookies string        Cookies to use for the requests
  -r, --follow-redirect       Follow redirects
  -H, --headers stringArray   Specify HTTP headers, -H 'Header1: val1' -H 'Header2: val2'
  -h, --help                  help for vhost
  -k, --no-tls-validation     Skip TLS certificate verification
  -P, --password string       Password for Basic Auth
  -p, --proxy string          Proxy to use for requests [http(s)://host:port]
      --timeout duration      HTTP Timeout (default 10s)
  -u, --url string            The target URL
  -a, --useragent string      Set the User-Agent string (default "gobuster/3.1.0")
  -U, --username string       Username for Basic Auth

Global Flags:
  -z, --no-progress       Don't display progress
  -o, --output string     Output file to write results to (defaults to stdout)
  -q, --quiet             Don't print the banner and other noise
  -t, --threads int       Number of concurrent threads (default 10)
      --delay duration    Time each thread waits between requests (e.g. 1500ms)
  -v, --verbose           Verbose output (errors)
  -w, --wordlist string   Path to the wordlist

Easy Installation

Binary Releases

We are now shipping binaries for each of the releases so that you don't even have to build them yourself! How wonderful is that!

If you're stupid enough to trust binaries that I've put together, you can download them from the releases page.

Using go get

If you have a Go environment ready to go, it's as easy as:

go get github.com/OJ/gobuster

Building From Source

Since this tool is written in Go you need to install the Go language/compiler/etc. Full details of installation and set up can be found on the Go language website. Once installed you have two options.

Compiling

gobuster now has external dependencies, and so they need to be pulled in first:

go get && go build

This will create a gobuster binary for you. If you want to install it in the $GOPATH/bin folder you can run:

go install

If you have all the dependencies already, you can make use of the build scripts:

  • make - builds for the current Go configuration (ie. runs go build).
  • make windows - builds 32 and 64 bit binaries for windows, and writes them to the build folder.
  • make linux - builds 32 and 64 bit binaries for linux, and writes them to the build folder.
  • make darwin - builds 32 and 64 bit binaries for darwin, and writes them to the build folder.
  • make all - builds for all platforms and architectures, and writes the resulting binaries to the build folder.
  • make clean - clears out the build folder.
  • make test - runs the tests.

Wordlists via STDIN

Wordlists can be piped into gobuster via stdin by providing a - to the -w option:

hashcat -a 3 --stdout ?l | gobuster dir -u https://mysite.com -w -

Note: If the -w option is specified at the same time as piping from STDIN, an error will be shown and the program will terminate.

Patterns

You can supply pattern files that will be applied to every word from the wordlist. Just place the string {GOBUSTER} in it and this will be replaced with the word. This feature is also handy in s3 mode to pre- or postfix certain patterns.

Caution: Using a big pattern file can cause a lot of request as every pattern is applied to every word in the wordlist.

Example file

{GOBUSTER}Partial
{GOBUSTER}Service
PRE{GOBUSTER}POST
{GOBUSTER}-prod
{GOBUSTER}-dev

Examples

dir Mode

Command line might look like this:

gobuster dir -u https://mysite.com/path/to/folder -c 'session=123456' -t 50 -w common-files.txt -x .php,.html

Default options looks like this:

gobuster dir -u https://buffered.io -w ~/wordlists/shortlist.txt

===============================================================
Gobuster v3.1.0
by OJ Reeves (@TheColonial) & Christian Mehlmauer (@firefart)
===============================================================
[+] Mode         : dir
[+] Url/Domain   : https://buffered.io/
[+] Threads      : 10
[+] Wordlist     : /home/oj/wordlists/shortlist.txt
[+] Status codes : 200,204,301,302,307,401,403
[+] User Agent   : gobuster/3.1.0
[+] Timeout      : 10s
===============================================================
2019/06/21 11:49:43 Starting gobuster
===============================================================
/categories (Status: 301)
/contact (Status: 301)
/posts (Status: 301)
/index (Status: 200)
===============================================================
2019/06/21 11:49:44 Finished
===============================================================

Default options with status codes disabled looks like this:

gobuster dir -u https://buffered.io -w ~/wordlists/shortlist.txt -n

===============================================================
Gobuster v3.1.0
by OJ Reeves (@TheColonial) & Christian Mehlmauer (@firefart)
===============================================================
[+] Mode         : dir
[+] Url/Domain   : https://buffered.io/
[+] Threads      : 10
[+] Wordlist     : /home/oj/wordlists/shortlist.txt
[+] Status codes : 200,204,301,302,307,401,403
[+] User Agent   : gobuster/3.1.0
[+] No status    : true
[+] Timeout      : 10s
===============================================================
2019/06/21 11:50:18 Starting gobuster
===============================================================
/categories
/contact
/index
/posts
===============================================================
2019/06/21 11:50:18 Finished
===============================================================

Verbose output looks like this:

gobuster dir -u https://buffered.io -w ~/wordlists/shortlist.txt -v

===============================================================
Gobuster v3.1.0
by OJ Reeves (@TheColonial) & Christian Mehlmauer (@firefart)
===============================================================
[+] Mode         : dir
[+] Url/Domain   : https://buffered.io/
[+] Threads      : 10
[+] Wordlist     : /home/oj/wordlists/shortlist.txt
[+] Status codes : 200,204,301,302,307,401,403
[+] User Agent   : gobuster/3.1.0
[+] Verbose      : true
[+] Timeout      : 10s
===============================================================
2019/06/21 11:50:51 Starting gobuster
===============================================================
Missed: /alsodoesnotexist (Status: 404)
Found: /index (Status: 200)
Missed: /doesnotexist (Status: 404)
Found: /categories (Status: 301)
Found: /posts (Status: 301)
Found: /contact (Status: 301)
===============================================================
2019/06/21 11:50:51 Finished
===============================================================

Example showing content length:

gobuster dir -u https://buffered.io -w ~/wordlists/shortlist.txt -l

===============================================================
Gobuster v3.1.0
by OJ Reeves (@TheColonial) & Christian Mehlmauer (@firefart)
===============================================================
[+] Mode         : dir
[+] Url/Domain   : https://buffered.io/
[+] Threads      : 10
[+] Wordlist     : /home/oj/wordlists/shortlist.txt
[+] Status codes : 200,204,301,302,307,401,403
[+] User Agent   : gobuster/3.1.0
[+] Show length  : true
[+] Timeout      : 10s
===============================================================
2019/06/21 11:51:16 Starting gobuster
===============================================================
/categories (Status: 301) [Size: 178]
/posts (Status: 301) [Size: 178]
/contact (Status: 301) [Size: 178]
/index (Status: 200) [Size: 51759]
===============================================================
2019/06/21 11:51:17 Finished
===============================================================

Quiet output, with status disabled and expanded mode looks like this ("grep mode"):

gobuster dir -u https://buffered.io -w ~/wordlists/shortlist.txt -q -n -e
https://buffered.io/index
https://buffered.io/contact
https://buffered.io/posts
https://buffered.io/categories

dns Mode

Command line might look like this:

gobuster dns -d mysite.com -t 50 -w common-names.txt

Normal sample run goes like this:

gobuster dns -d google.com -w ~/wordlists/subdomains.txt

===============================================================
Gobuster v3.1.0
by OJ Reeves (@TheColonial) & Christian Mehlmauer (@firefart)
===============================================================
[+] Mode         : dns
[+] Url/Domain   : google.com
[+] Threads      : 10
[+] Wordlist     : /home/oj/wordlists/subdomains.txt
===============================================================
2019/06/21 11:54:20 Starting gobuster
===============================================================
Found: chrome.google.com
Found: ns1.google.com
Found: admin.google.com
Found: www.google.com
Found: m.google.com
Found: support.google.com
Found: translate.google.com
Found: cse.google.com
Found: news.google.com
Found: music.google.com
Found: mail.google.com
Found: store.google.com
Found: mobile.google.com
Found: search.google.com
Found: wap.google.com
Found: directory.google.com
Found: local.google.com
Found: blog.google.com
===============================================================
2019/06/21 11:54:20 Finished
===============================================================

Show IP sample run goes like this:

gobuster dns -d google.com -w ~/wordlists/subdomains.txt -i

===============================================================
Gobuster v3.1.0
by OJ Reeves (@TheColonial) & Christian Mehlmauer (@firefart)
===============================================================
[+] Mode         : dns
[+] Url/Domain   : google.com
[+] Threads      : 10
[+] Wordlist     : /home/oj/wordlists/subdomains.txt
===============================================================
2019/06/21 11:54:54 Starting gobuster
===============================================================
Found: www.google.com [172.217.25.36, 2404:6800:4006:802::2004]
Found: admin.google.com [172.217.25.46, 2404:6800:4006:806::200e]
Found: store.google.com [172.217.167.78, 2404:6800:4006:802::200e]
Found: mobile.google.com [172.217.25.43, 2404:6800:4006:802::200b]
Found: ns1.google.com [216.239.32.10, 2001:4860:4802:32::a]
Found: m.google.com [172.217.25.43, 2404:6800:4006:802::200b]
Found: cse.google.com [172.217.25.46, 2404:6800:4006:80a::200e]
Found: chrome.google.com [172.217.25.46, 2404:6800:4006:802::200e]
Found: search.google.com [172.217.25.46, 2404:6800:4006:802::200e]
Found: local.google.com [172.217.25.46, 2404:6800:4006:80a::200e]
Found: news.google.com [172.217.25.46, 2404:6800:4006:802::200e]
Found: blog.google.com [216.58.199.73, 2404:6800:4006:806::2009]
Found: support.google.com [172.217.25.46, 2404:6800:4006:802::200e]
Found: wap.google.com [172.217.25.46, 2404:6800:4006:802::200e]
Found: directory.google.com [172.217.25.46, 2404:6800:4006:802::200e]
Found: translate.google.com [172.217.25.46, 2404:6800:4006:802::200e]
Found: music.google.com [172.217.25.46, 2404:6800:4006:802::200e]
Found: mail.google.com [172.217.25.37, 2404:6800:4006:802::2005]
===============================================================
2019/06/21 11:54:55 Finished
===============================================================

Base domain validation warning when the base domain fails to resolve. This is a warning rather than a failure in case the user fat-fingers while typing the domain.

gobuster dns -d yp.to -w ~/wordlists/subdomains.txt -i

===============================================================
Gobuster v3.1.0
by OJ Reeves (@TheColonial) & Christian Mehlmauer (@firefart)
===============================================================
[+] Mode         : dns
[+] Url/Domain   : yp.to
[+] Threads      : 10
[+] Wordlist     : /home/oj/wordlists/subdomains.txt
===============================================================
2019/06/21 11:56:43 Starting gobuster
===============================================================
2019/06/21 11:56:53 [-] Unable to validate base domain: yp.to
Found: cr.yp.to [131.193.32.108, 131.193.32.109]
===============================================================
2019/06/21 11:56:53 Finished
===============================================================

Wildcard DNS is also detected properly:

gobuster dns -d 0.0.1.xip.io -w ~/wordlists/subdomains.txt

===============================================================
Gobuster v3.1.0
by OJ Reeves (@TheColonial) & Christian Mehlmauer (@firefart)
===============================================================
[+] Mode         : dns
[+] Url/Domain   : 0.0.1.xip.io
[+] Threads      : 10
[+] Wordlist     : /home/oj/wordlists/subdomains.txt
===============================================================
2019/06/21 12:13:48 Starting gobuster
===============================================================
2019/06/21 12:13:48 [-] Wildcard DNS found. IP address(es): 1.0.0.0
2019/06/21 12:13:48 [!] To force processing of Wildcard DNS, specify the '--wildcard' switch.
===============================================================
2019/06/21 12:13:48 Finished
===============================================================

If the user wants to force processing of a domain that has wildcard entries, use --wildcard:

gobuster dns -d 0.0.1.xip.io -w ~/wordlists/subdomains.txt --wildcard

===============================================================
Gobuster v3.1.0
by OJ Reeves (@TheColonial) & Christian Mehlmauer (@firefart)
===============================================================
[+] Mode         : dns
[+] Url/Domain   : 0.0.1.xip.io
[+] Threads      : 10
[+] Wordlist     : /home/oj/wordlists/subdomains.txt
===============================================================
2019/06/21 12:13:51 Starting gobuster
===============================================================
2019/06/21 12:13:51 [-] Wildcard DNS found. IP address(es): 1.0.0.0
Found: 127.0.0.1.xip.io
Found: test.127.0.0.1.xip.io
===============================================================
2019/06/21 12:13:53 Finished
===============================================================

vhost Mode

Command line might look like this:

gobuster vhost -u https://mysite.com -w common-vhosts.txt

Normal sample run goes like this:

gobuster vhost -u https://mysite.com -w common-vhosts.txt

===============================================================
Gobuster v3.1.0
by OJ Reeves (@TheColonial) & Christian Mehlmauer (@firefart)
===============================================================
[+] Url:          https://mysite.com
[+] Threads:      10
[+] Wordlist:     common-vhosts.txt
[+] User Agent:   gobuster/3.1.0
[+] Timeout:      10s
===============================================================
2019/06/21 08:36:00 Starting gobuster
===============================================================
Found: www.mysite.com
Found: piwik.mysite.com
Found: mail.mysite.com
===============================================================
2019/06/21 08:36:05 Finished
===============================================================

s3 Mode

Command line might look like this:

gobuster s3 -w bucket-names.txt

fuzzing Mode

Command line might look like this:

gobuster fuzz -u https://example.com?FUZZ=test -w parameter-names.txt

Use case in combination with patterns

  • Create a custom wordlist for the target containing company names and so on
  • Create a pattern file to use for common bucket names.
curl -s --output - https://raw.githubusercontent.com/eth0izzle/bucket-stream/master/permutations/extended.txt | sed -s 's/%s/{GOBUSTER}/' > patterns.txt
  • Run gobuster with the custom input. Be sure to turn verbose mode on to see the bucket details
gobuster s3 --wordlist my.custom.wordlist -p patterns.txt -v

Normal sample run goes like this:

PS C:\Users\firefart\Documents\code\gobuster> .\gobuster.exe s3 --wordlist .\wordlist.txt
===============================================================
Gobuster v3.1.0
by OJ Reeves (@TheColonial) & Christian Mehlmauer (@firefart)
===============================================================
[+] Threads:                 10
[+] Wordlist:                .\wordlist.txt
[+] User Agent:              gobuster/3.1.0
[+] Timeout:                 10s
[+] Maximum files to list:   5
===============================================================
2019/08/12 21:48:16 Starting gobuster in S3 bucket enumeration mode
===============================================================
webmail
hacking
css
img
www
dav
web
localhost
===============================================================
2019/08/12 21:48:17 Finished
===============================================================

Verbose and sample run

PS C:\Users\firefart\Documents\code\gobuster> .\gobuster.exe s3 --wordlist .\wordlist.txt -v
===============================================================
Gobuster v3.1.0
by OJ Reeves (@TheColonial) & Christian Mehlmauer (@firefart)
===============================================================
[+] Threads:                 10
[+] Wordlist:                .\wordlist.txt
[+] User Agent:              gobuster/3.1.0
[+] Verbose:                 true
[+] Timeout:                 10s
[+] Maximum files to list:   5
===============================================================
2019/08/12 21:49:00 Starting gobuster in S3 bucket enumeration mode
===============================================================
www [Error: All access to this object has been disabled (AllAccessDisabled)]
hacking [Error: Access Denied (AccessDenied)]
css [Error: All access to this object has been disabled (AllAccessDisabled)]
webmail [Error: All access to this object has been disabled (AllAccessDisabled)]
img [Bucket Listing enabled: GodBlessPotomac1.jpg (1236807b), HOMEWORKOUTAUDIO.zip (203908818b), ProductionInfo.xml (11946b), Start of Perpetual Motion Logo-1.mp3 (621821b), addressbook.gif (3115b)]
web [Error: Access Denied (AccessDenied)]
dav [Error: All access to this object has been disabled (AllAccessDisabled)]
localhost [Error: Access Denied (AccessDenied)]
===============================================================
2019/08/12 21:49:01 Finished
===============================================================

Extended sample run

PS C:\Users\firefart\Documents\code\gobuster> .\gobuster.exe s3 --wordlist .\wordlist.txt -e
===============================================================
Gobuster v3.1.0
by OJ Reeves (@TheColonial) & Christian Mehlmauer (@firefart)
===============================================================
[+] Threads:                 10
[+] Wordlist:                .\wordlist.txt
[+] User Agent:              gobuster/3.1.0
[+] Timeout:                 10s
[+] Expanded:                true
[+] Maximum files to list:   5
===============================================================
2019/08/12 21:48:38 Starting gobuster in S3 bucket enumeration mode
===============================================================
http://css.s3.amazonaws.com/
http://www.s3.amazonaws.com/
http://webmail.s3.amazonaws.com/
http://hacking.s3.amazonaws.com/
http://img.s3.amazonaws.com/
http://web.s3.amazonaws.com/
http://dav.s3.amazonaws.com/
http://localhost.s3.amazonaws.com/
===============================================================
2019/08/12 21:48:38 Finished
===============================================================

License

See the LICENSE file.

Thanks

See the THANKS file for people who helped out.

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Directory/File, DNS and VHost busting tool written in Go

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v0.7.0 Latest
Nov 5, 2020
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