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What is Keye?

Keye is a reconnaissance tool that was written in Python with SQLite3 integrated. After adding a single URL, or a list of URLs, it will make a request to these URLs and try to detect changes based on their response's body length. This tool is supposed to be scheduled to run periodically at fixed times, dates, or intervals (Ideally each day). Recognized changes of URLs will be sent to Slack workspace with a notification push.

Thanks to Yassine Aboukir for his help and support on this project.


  • Virtual Private Server (VPS) running on Unix.
  • Python 2.x or 3.x.
  • Free Slack workspace.

Installation & Configuration

First of all, you will have to clone the tool from Github to your server:

$ git clone && cd Keye

Install the dependencies:

$ pip install -r requirements.txt (or pip3 install -r requirements.txt)

Next step is to create a Slack workspace, to where new recognized changes of URLs will be sent to. Just browse to and create a free account.

Then, create a channel on your workspace.

Next, we need to generate a Webhook URL for our channel so we can leverage Slack API.

Browse to and create a new application.

Browse to Incoming Webhooks and create a Webhook, and link it to the channel that we created previously.

You will obtain a link in the following format:

Copy that link and edit

Now, we need to add a new Cron job to schedule execution of Keye at given time. To do it, type:

$ crontab -e

Add the following line at the end of the Cron file:

0 */12 * * * cd /root/Keye/ && /usr/bin/python /root/Keye/

Now, we're done with installing and configuring Keye.


$ python -h

Short Form Long Form Description
-s --singleurl Single URL to add. E.g:
-ul --urlslist File with new URLs to add. E.g: urls.txt
-rm --remove URL to remove from database. E.g:
-d --display Display all monitored URLs.

Feedback and issues?

If you have any feedback, anything that you want to see implemented or if you're running into issues using Keye, please feel free to file an issue on

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