This app helps with providing guidelines for installing Cisco Umbrella Top 1M Domains List app in Trisul Network Analytics.

To create a Domain Topper Counter that can be used in NSM to train the spotlight on least common domains seen in your network traffic.

Some of the uses can be

1. Visibility - To know the usage patterns outside the Top-1M in your enterprise.
2. Detect Outliers - To detect rare domains, those created by DGA, typically used by malware.
3. Iterative - To add white-list based on your enterprise and fine tune this list.

• To install this App logon as admin, then select App from Web Admin > Manage > Apps > Umbrella Top1M.

• Post install , Run the 'installfeed.sh' script to keep the FireHOL list updated as shown below.

Pre-Requisites You need to install a few packages namely

• Luajit - apt install luajit.
• Unzip - apt install unzip.
• Libleveldb - apt install libleveldb1v5.

• You must run the 'installfeed.sh' script in this folder to download the Umbrella-Top-1M list and keep it updated.
• Run the following command,

#curl -O  https://raw.githubusercontent.com/trisulnsm/apps/master/analyzers/umbrella-top-1m/installfeed.sh
#bash ./installfeed.sh

This APP adds a new counter group called 'Outside Umbrella Top-1M'.To view the metrics,

1. Go to Retro > Retro Counters.
2. Select a desired Time-frame and select 'Outside Umbrella Top-1M' COunter-group.