ExchangeFinder - Find Microsoft Exchange Instance For A Given Domain And Identify The Exact Version
2023-1-5 19:30:0 Author: www.kitploit.com(查看原文) 阅读量:32 收藏

ExchangeFinder is a simple and open-source tool that tries to find Micrsoft Exchange instance for a given domain based on the top common DNS names for Microsoft Exchange.

ExchangeFinder can identify the exact version of Microsoft Exchange starting from Microsoft Exchange 4.0 to Microsoft Exchange Server 2019.

ExchangeFinder will first try to resolve any subdomain that is commonly used for Exchange server, then it will send a couple of HTTP requests to parse the content of the response sent by the server to identify if it's using Microsoft Exchange or not.

Currently, the tool has a signature of every version from Microsoft Exchange starting from Microsoft Exchange 4.0 to Microsoft Exchange Server 2019, and based on the build version sent by Exchange via the header X-OWA-Version we can identify the exact version.

If the tool found a valid Microsoft Exchange instance, it will return the following results:

  • Domain name.
  • Microsoft Exchange version.
  • Login page.
  • Web server version.

Clone the latest version of ExchangeFinder using the following command:

git clone https://github.com/mhaskar/ExchangeFinder

And then install all the requirements using the command poetry install.

┌──(kali㉿kali)-[~/Desktop/ExchangeFinder]
└─$ poetry install 1 ⨯
Installing dependencies from lock file

Package operations: 15 installs, 0 updates, 0 removals

• Installing pyparsing (3.0.9)
• Installing attrs (22.1.0)
• Installing certifi (2022.6.15)
• Installing charset-normalizer (2.1.1)
• Installing idna (3.3)
• Installing more-itertools (8.14.0)
• Installing packaging (21.3)
• Installing pluggy (0.13.1)
• Installing py (1.11.0)
• Installing urllib3 (1.26.12)
• Installing wcwidth (0.2.5)
• Installing dnspython (2.2.1)
• Installing pytest (5.4.3)
• Installing requests (2.28.1)
• Installing termcolor (1.1.0)< br/>
Installing the current project: ExchangeFinder (0.1.0)

┌──(kali㉿kali)-[~/Desktop/ExchangeFinder]

┌──(kali㉿kali)-[~/Desktop/ExchangeFinder]
└─$ python3 exchangefinder.py

______ __ _______ __
/ ____/ __/ /_ ____ _____ ____ ____ / ____(_)___ ____/ /__ _____
/ __/ | |/_/ __ \/ __ `/ __ \/ __ `/ _ \/ /_ / / __ \/ __ / _ \/ ___/
/ /____> </ / / / /_/ / / / / /_/ / __/ __/ / / / / / /_/ / __/ /
/_____/_/|_/_/ /_/\__,_/_/ /_/\__, /\___/_/ /_/_/ /_/\__,_/\___/_/
/____/

Find that Microsoft Exchange server ..

[-] Please use --domain or --domains option

┌──(kali&#129 27;kali)-[~/Desktop/ExchangeFinder]
└─$

You can use the option -h to show the help banner:

Scan single domain

To scan single domain you can use the option --domain like the following:

askar•/opt/redteaming/ExchangeFinder(main⚡)» python3 exchangefinder.py --domain dummyexchangetarget.com                                                                                           

______ __ _______ __
/ ____/ __/ /_ ____ _____ ____ ____ / ____(_)___ ____/ /__ _____
/ __/ | |/_/ __ \/ __ `/ __ \/ __ `/ _ \/ /_ / / __ \/ __ / _ \/ ___/
/ /____> </ / / / /_/ / / / / /_/ / __/ __/ / / / / / /_/ / __/ /
/_____/_/|_/_/ /_/\__,_/_/ /_/\__, /\___/_/ /_/_/ /_/\__,_/\___/_/
/____/

Find that Microsoft Exchange server ..

[!] Scanning domain dummyexch angetarget.com
[+] The following MX records found for the main domain
10 mx01.dummyexchangetarget.com.

[!] Scanning host (mail.dummyexchangetarget.com)
[+] IIS server detected (https://mail.dummyexchangetarget.com)
[!] Potential Microsoft Exchange Identified
[+] Microsoft Exchange identified with the following details:

Domain Found : https://mail.dummyexchangetarget.com
Exchange version : Exchange Server 2016 CU22 Nov21SU
Login page : https://mail.dummyexchangetarget.com/owa/auth/logon.aspx?url=https%3a%2f%2fmail.dummyexchangetarget.com%2fowa%2f&reason=0
IIS/Webserver version: Microsoft-IIS/10.0

[!] Scanning host (autodiscover.dummyexchangetarget.com)
[+] IIS server detected (https://autodiscover.dummyexchangetarget.com)
[!] Potential Microsoft Exchange Identified
[+] Microsoft Exchange identified with the following details:

Domain Found : https://autodiscover.dummyexchangetarget.com Exchange version : Exchange Server 2016 CU22 Nov21SU
Login page : https://autodiscover.dummyexchangetarget.com/owa/auth/logon.aspx?url=https%3a%2f%2fautodiscover.dummyexchangetarget.com%2fowa%2f&reason=0
IIS/Webserver version: Microsoft-IIS/10.0

askar•/opt/redteaming/ExchangeFinder(main⚡)»

Scan multiple domains

To scan multiple domains (targets) you can use the option --domains and choose a file like the following:

askar•/opt/redteaming/ExchangeFinder(main⚡)» python3 exchangefinder.py --domains domains.txt                                                                                                          

______ __ _______ __
/ ____/ __/ /_ ____ _____ ____ ____ / ____(_)___ ____/ /__ _____
/ __/ | |/_/ __ \/ __ `/ __ \/ __ `/ _ \/ /_ / / __ \/ __ / _ \/ ___/
/ /____> </ / / / /_/ / / / / /_/ / __/ __/ / / / / / /_/ / __/ /
/_____/_/|_/_/ /_/\__,_/_/ /_/\__, /\___/_/ /_/_/ /_/\__,_/\___/_/
/____/

Find that Microsoft Exchange server ..

[+] Total domains to scan are 2 domains
[!] Scanning domain externalcompany.com
[+] The following MX records f ound for the main domain
20 mx4.linfosyshosting.nl.
10 mx3.linfosyshosting.nl.

[!] Scanning host (mail.externalcompany.com)
[+] IIS server detected (https://mail.externalcompany.com)
[!] Potential Microsoft Exchange Identified
[+] Microsoft Exchange identified with the following details:

Domain Found : https://mail.externalcompany.com
Exchange version : Exchange Server 2016 CU22 Nov21SU
Login page : https://mail.externalcompany.com/owa/auth/logon.aspx?url=https%3a%2f%2fmail.externalcompany.com%2fowa%2f&reason=0
IIS/Webserver version: Microsoft-IIS/10.0

[!] Scanning domain o365.cloud
[+] The following MX records found for the main domain
10 mailstore1.secureserver.net.
0 smtp.secureserver.net.

[!] Scanning host (mail.o365.cloud)
[+] IIS server detected (https://mail.o365.cloud)
[!] Potential Microsoft Exchange Identified
[+] Microsoft Exchange identified with the following details:

Domain Found : https://mail.o365.cloud
Exchange version : Exchange Server 2013 CU23 May22SU
Login page : https://mail.o365.cloud/owa/auth/logon.aspx?url=https%3a%2f%2fmail.o365.cloud%2fowa%2f&reason=0
IIS/Webserver version: Microsoft-IIS/8.5

askar•/opt/redteaming/ExchangeFinder(main⚡)»

Please note that the examples used in the screenshots are resolved in the lab only

This tool is very simple and I was using it to save some time while searching for Microsoft Exchange instances, feel free to open PR if you find any issue or you have a new thing to add.

This project is licensed under the GPL-3.0 License - see the LICENSE file for details

ExchangeFinder - Find Microsoft Exchange Instance For A Given Domain And Identify The Exact Version ExchangeFinder - Find Microsoft Exchange Instance For A Given Domain And Identify The Exact Version Reviewed by Zion3R on 8:30 AM Rating: 5


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