killchain-compendium/Enumeration/Websites.md

# Website Enumeration

## Resources  

When enumerating websites, check the following resources as a starting point

* Components of the website, like blog frameworks, shops
* `robots.txt` and `sitemap.xml`
* [Favicon](https://wiki.owasp.org/index.php/OWASP_favicon_database) of the site
* Headers, `curl <site>` including `-I` and `-v` parameters
* Use Wappalyzer or whatweb to list an overview of the site's components
* Snapshots of the site via waybackmachine
* Check git respositories of the site

## Web Enumeration in Practice


### Fuzz Faster U Fool

Directory fuzzing via ffuf

```sh
ffuf -u http://<IP>/FUZZ -w /usr/share/seclists/Discovery/Web-Content/big.txt

ffuf -u http://<IP>/FUZZ -w /usr/share/seclists/Discovery/Web-Content/raft-medium-directories-lowercase.txt
```

Enumerate directories of the website regardless of HTTP status

```sh
ffuf -c -w /usr/share/seclists/Discovery/Web-Content/common.txt -u http://$IP/FUZZ -fs 0 -mc all
```

Fuzz with other HTTP methods like POST

```sh
ffuf -c -w /usr/share/seclists/Discovery/Web-Content/big.txt -u http://$IP/FUZZ -fs $SIZE -mc all -C POST
```

File fuzzing via ffuf

```sh
ffuf -u http://<IP>/FUZZ -w /usr/share/seclists/Discovery/Web-Content/raft-medium-words-lowercase.txt -e .php,.txt
```

#### Fuzz URL parameters

```sh
ffuf -u 'http://MACHINE_IP/sqli-labs/Less-1/?FUZZ=1' -c -w /usr/share/seclists/Discovery/Web-Content/burp-parameter-names.txt -fw 39
ffuf -u 'http://MACHINE_IP/sqli-labs/Less-1/?FUZZ=1' -c -w /usr/share/seclists/Discovery/Web-Content/raft-medium-words-lowercase.txt -fw 39
```
Fuzz values of parameters
```sh
seq 0 255 | fuff -u 'http://<IP>/sqli-labs/Less-1/?id=FUZZ -c -w - -fw 33
```

Fuzz HTTP POST values in the following way

```sh
ffuf -u http://<IP> -c -w /usr/share/seclists/Passwords/Leaked-Databases/hak5.txt -X POST -d 'uname=Dummy&passwd=FUZZ&submit=Submit' -fs 1435 -H 'Content-Type: application/x-www-form-urlencoded'
```

#### Fuzz Users and Use Bruteforce

Fuzz users and write the results to a file as output

```sh
ffuf -w /usr/share/seclists/Usernames/Names/names.txt -X POST -d "username=FUZZ&email=x&password=x&cpassword=x" -H "Content-Type: application/x-www-form-urlencoded" -u http://<targetURL>/customers/signup -mr "username already exists" -o fuff.out
```

Use the output users saved in `fuff.out` to bruteforce

```sh
ffuf -w userlist.txt:W1,/usr/share/seclists/Passwords/Common-Credentials/10-million-password-list-top-100.txt:W2 -X POST -d "username=W1&password=W2" -H "Content-Type: application/x-www-form-urlencoded" -u http://<targetURL>/customers/login -fc 200
```
#### Fuzz Subdomains

```sh
ffuf -u http://FUZZ.test.com -c -w  /usr/share/seclists/Discovery/DNS/subdomains-top1million-5000.txt
```
or if the subdomains are listed in the target's host file
```sh
ffuf -w /usr/share/seclists/Discovery/DNS/namelist.txt -H "Host: FUZZ.test.com" -u http://<target-IP> -fs 0
```
* Fuzz Vhosts & Server Blocks
```sh
ffuf -u http://FUZZ.test.com -c -w /usr/share/seclists/Discovery/DNS/subdomains-top1million-5000.txt -fs 0
ffuf -u http://test.com -c -w /usr/share/seclists/Discovery/DNS/subdomains-top1million-5000.txt -H 'Host: FUZZ.test.com' -fs 0
```

#### Proxy

* `-replay-proxy <IP>` or `-x <ProxyIP>`

#### FUZZ Saved Request

A stored request can be fuzzed using ffuf, remember to set the parameter value you want to fuzz to `FUZZ` inside the file.

```sh
ffuf -request req.txt -w pin.txt -fs 89 -t 70 > output
```
 
### Gobuster

[Repo](https://github.com/OJ/gobuster.git)

#### Enumerate Directories via Gobuster

```sh
gobuster dir -u <URL> -w <wordlist>
```

#### Enumerate DNS via Gobuster

```sh 
gobuster dns -d <domainName> -w <wordlist> --show-cname --show-ips --resolver <dns-Server>
```

#### Enumerate Vhosts via Gobuster

Find other Domains on a host via `seclists/Discovery/DNS/subdomains-top1million-5000.txt`

```sh
gobuster vhost -u <URL> -w <wordlist> 
```

#### FileExtension

Fuzz for specific file extensions
```sh
gobuster dir -u <URL> -w /usr/share/seclists/Discovery/raft-small-word-lowercase.txt -x .conf,.js
```

#### Basic Auth 

```sh
gobuster help dir
```
* `--username` and `--password`

* `dir -s`   Accept HTTP Status 
* `dir -k`   Skip TLS Auth
* `dir -a`   User Agent

#### Wordlists

```sh
/usr/share/seclists/Discovery/Web-Content/common.txt
/usr/share/seclists/Discovery/Web-Content/big.txt
/usr/share/seclists/Discovery/Web-Content/directory-list-2.3-big.txt
/usr/share/seclists/Discovery/DNS/subdomains-top1million-110000.txt
/usr/share/seclists/Discovery/Web-Content/raft-medium-files.txt
```

### Wfuzz


#### Enumerate directories via Wfuzz

Fuzz directories with wfuzz
```sh
wfuzz -c -w /usr/share/seclists/Discovery/Web-Content/raft-medium-directories.txt -u $ATTACKER_IP/FUZZ -t 100 --hh 0
```

POST requests fuzzing with wfuzz
```sh
wfuzz -c -w /usr/share/seclists/Discovery/Web-Content/raft-medium-directories.txt -u $ATTACKER_IP/FUZZ -t 100 --hh 0 -X POST
```

#### Parameters with Wfuzz

Fuzz parameters
```sh
wfuzz -c -z file,/usr/share/seclists/Discovery/Web-Content/common.txt -X POST --hh 45 -u http://<target-IP>/api/items\?FUZZ\=test
```

#### DNS with Wfuzz

```sh
 wfuzz -H "Host: FUZZ.example.com" --hc 302,400 -t 50 -c -z file,"/usr/share/seclists/Discovery/Web-Content/namelist.txt" http://example.com
 ```