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Adding and reviewing module documentation is a great way to contribute to the Metasploit Framework.

Before you write any module documentation, you should take a look at the sample template,, or take a look at any of the KBs that are already available.

Writing a KB

To write a KB, you’ll need to:

  • Create a markdown (.md) file.
  • Write the content.
  • Save the file and name it after the module name. For example, the filename for ms08-067 is modules/exploits/windows/smb/ms08_067_netapi.rb, so its documentation is documentation/modules/exploits/windows/smb/
  • Place it in the metasploit-framework/documentation/modules directory.

Where to put the markdown files

If you go to metasploit-framework/documentation/modules, you’ll see that there are documentation directories for each module type: auxiliary, exploit, payload, and post. To figure out where you need to put the file, you’ll need to look at the module’s path.

  1. Start msfconsole.
  2. Type use <module name>.
  3. Type info -d.
  4. When the module name appears, look at the Module field. You’ll see a file path for the module. That’s the path where the KB needs to be added.

For example:

msf> use auxiliary/scanner/smb/smb_login
msf (smb_login)> info

Name: SMB Login Check Scanner
Module: auxiliary/scanner/smb/smb_login

If you were creating a KB for the smb login scanner, you’d add it to metasploit-framework/documentation/modules/auxiliary/

Sections you should include in the KB

These are just suggestions, but it’d be nice if the KB had these sections:

  • Vulnerable Applications - Tells users what targets are vulnerable to the module and provides instructions on how to access vulnerable targets for testing.
  • Verification Steps - Tells users how to use the module and what the expected results are from running the module.
  • Options - Provides descriptions of all the options that can be run with the module. Additionally, clearly identify the options that are required.
  • Scenarios - Provides sample usage and describes caveats that the user may need to be aware of when running the module.

Before you submit your PR: msftidy_docs.rb

A documentation file can be passed as a positional argument to metasploit-framework/tools/dev/msftidy_docs.rb and will highlight formatting errors the docs file might contain. Once all the errors and warnings thrown by msftidy_docs.rb have been resolved, the documentation file is ready for submission.

➜  metasploit-framework git:(upstream-master) ✗ ruby tools/dev/msftidy_docs.rb documentation/modules/exploit/linux/http/
documentation/modules/exploit/linux/http/ - [INFO] Missing Section: ## Options
documentation/modules/exploit/linux/http/ - [WARNING] Please add a newline at the end of the file
documentation/modules/exploit/linux/http/ - [WARNING] H2 headings in incorrect order. Should be: Vulnerable Application, Verification Steps/Module usage, Options, Scenarios
documentation/modules/exploit/linux/http/ - [WARNING] Should use single backquotes (`) for single line literals instead of triple backquotes (```)
documentation/modules/exploit/linux/http/ - [WARNING] Spaces at EOL