# Exchange

### Enumeration

#### ExchangeFinder

[ExchangeFinder](https://github.com/mhaskar/ExchangeFinder) is a tool that attempts to identify Microsoft Exchange instances for a given domain based on the top common DNS names for Microsoft Exchange. Additionally, ExchangeFinder can identify the version of Microsoft Exchange utilized by the target.

```bash
# ExchangeFinder basic usage
python3 exchangefinder.py --domain $domain
```

#### Enumerating Users Manually

```markup
POST /autodiscover/autodiscover.xml HTTP/1.1
Host: exch01.parzival.sh
User-Agent: Microsoft Office/16.0 (Windows NT 10.0; Microsoft Outlook 16.0.10730; Pro)
Authorization: Basic Q09OVE9TT1x1c2VyMDE6UEBzc3cwcmQ=
Content-Length: 341
Content-Type: text/xml

<Autodiscover xmlns="http://schemas.microsoft.com/exchange/autodiscover/outlook/requestschema/2006">
    <Request>
      <EMailAddress>$email</EMailAddress>
      <AcceptableResponseSchema>http://schemas.microsoft.com/exchange/autodiscover/outlook/responseschema/2006a</AcceptableResponseSchema>
    </Request>
</Autodiscover>
```

### References

{% embed url="<https://swarm.ptsecurity.com/attacking-ms-exchange-web-interfaces/>" %}


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```
GET https://ttp.parzival.sh/pentesting/fortress/exchange.md?ask=<question>
```

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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.