> For the complete documentation index, see [llms.txt](https://strange-1.gitbook.io/notes/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://strange-1.gitbook.io/notes/enumeration/fuzzing.md).

# Fuzzing

## **Web Fuzzing**

### **Directory Fuzzing**

```bash
ffuf -w /opt/useful/SecLists/Discovery/Web-Content/directory-list-2.3-small.txt:FUZZ -u http://SERVER_IP:PORT/FUZZ
```

### **Page Fuzzing**

```bash
ffuf -w /opt/useful/SecLists/Discovery/Web-Content/web-extensions.txt:FUZZ -u http://SERVER_IP:PORT/blog/indexFUZZ
```

### Recursive Fuzzing

```bash
ffuf -w /opt/useful/SecLists/Discovery/Web-Content/directory-list-2.3-small.txt:FUZZ -u http://SERVER_IP:PORT/FUZZ -recursion -recursion-depth 1 -e .php -v
```

## Domain Fuzzing

### Sub-domain Fuzzing

```bash
ffuf -w /opt/useful/SecLists/Discovery/DNS/subdomains-top1million-5000.txt:FUZZ -u <https://FUZZ.domain.com/>
```

### **Vhosts Fuzzing**

```bash
ffuf -w /opt/useful/SecLists/Discovery/DNS/subdomains-top1million-5000.txt:FUZZ -u <http://domain.com>:PORT/ -H 'Host: FUZZ.domain.com'

# to filter out pages with response 900 using -f flag, means filter 
ffuf -w /opt/useful/SecLists/Discovery/DNS/subdomains-top1million-5000.txt:FUZZ -u <http://domain.com>:PORT/ -H 'Host: FUZZ.domain.com' -fs 900
```

## Parameter Fuzzing

### **GET Requests fuzzing**

```bash
ffuf -w /opt/useful/SecLists/Discovery/Web-Content/burp-parameter-names.txt:FUZZ -u <http://dom.com>:PORT/admin/admin.php?FUZZ=key -fs xxx
```

### POST Resquests Fuzzing

```bash
ffuf -w /opt/useful/SecLists/Discovery/Web-Content/burp-parameter-names.txt:FUZZ -u <http://dom.com>:PORT/admin/admin.php -X POST -d 'FUZZ=key' -H 'Content-Type: application/x-www-form-urlencoded' -fs xxx
```

### **Value Fuzzing**

```bash
# Creating wordlists containing numbers from 1-1000
for i in $(seq 1 1000); do echo $i >> ids.txt; done

# value fuzzing
ffuf -w ids.txt:FUZZ -u <http://dom.com>:PORT/admin/admin.php -X POST -d 'id=FUZZ' -H 'Content-Type: application/x-www-form-urlencoded' -fs xxx
```


---

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