metasploit-framework

https://github.com/rapid7/metasploit-framework

Ruby

Metasploit Framework

MetasploitModule#check_for_listener

Method for checking if a listener for a given IP and port is present
will return true if a conflict exists and false if none is found

Source | Google | Stack overflow

Edit

git clone [email protected]:rapid7/metasploit-framework.git
cd metasploit-framework
open modules/exploits/windows/local/persistence.rb

Contribute

# Make a new branch
git checkout -b -your-name--update-docs-MetasploitModule-check_for_listener-for-pr

# Commit to git
git add modules/exploits/windows/local/persistence.rbgit commit -m "better docs for MetasploitModule#check_for_listener"

# Open pull request
gem install hub # on a mac you can `brew install hub`
hub fork
git push <your name> -your-name--update-docs-MetasploitModule-check_for_listener-for-pr
hub pull-request

# Celebrate!