# Tools/Syntax

Subfinder

```
# Install
go get github.com/subfinder/subfinder

# Basic usage
subfinder -d example.com > example.com.subs

# Recursive
subfinder -d  example.com  -recursive -silent -t 200 -v -o  example.com.subs

# Use censys for even more results
subfinder -d example.com -b -w wordlist.txt -t 100 -sources censys -set-settings CensysPages=2 -v -o example.com.subs
```

Amass after subfinder

```
amass enum --passive -d example.com -o example.com.subs 
```

asset Finder after amass

```
# Install
go get -u github.com/tomnomnom/assetfinder

# Basic usage
assetfinder [--subs-only] <domain>
```

GetAllUrls gau

```
# Install 
GO111MODULE=on go get -u -v github.com/lc/gau

# Extract subdomains from output
gau -subs example.com | cut -d / -f 3 | sort -u
```


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://notes.ubg-hacking.team/attacks/reconnaissance/tools-syntax.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.