Network Utilities - Discovery Tool

1. Clone the repository.

git clone https://github.com/pfeiffermj/nudisc.git

2. Change directory to the repository.

cd nudisc

3. Build the image for the nudisc container.

sudo docker image build --tag local:nudisc .

4. Run the container in detached state with TCP 8080->80 port mapping.

sudo docker container run -d -p 8080:80 --name nudisc local:nudisc

5. Connect to the container's shell.

sudo docker exec -it nudisc bash

6. Stop the container when finished.

sudo docker container stop nudisc

7. Start the container if stopped.

sudo docker container start nudisc

1. When you are in an interactive session with the container a similar prompt will appear:

root@57576b930eba:/app#

2. To execute the nudisc Python app run the following command:

root@57576b930eba:/app# ./nudisc.py

3. When the protocol scans are complete output will placed in the targets folder.

root@57576b930eba:/app# ls targets/
icmp_targets.txt  tcp_targets.txt  udp_targets.txt

4. You can view the contents of each file using cat.

root@57576b930eba:/app# cat targets/tcp_targets.txt 
192.168.2.1
192.168.3.1
192.168.4.1
192.168.5.1
192.168.5.9
192.168.10.1
192.168.11.1

5. The targets output files are formatted for use as input files with other nmap commands and scripts.

To modify what will be scanned modify the scan.json file either before or after the container build.

The container includes vim but you are free to download any text editor you wish to use.

{
    "ipv4_range" : "192.168.0.0/20",
    "ip_protocols" : "1,6,17",
    "tcp_ports" : "22,23,25,53,80,443,445,1433,3306,3389,5800,5900,8080,8443",
    "udp_ports" : "53,67,68,69,123,161,162,514,636,2055"
}