SETTING UP ENVIRONMENT TO TEST WORM:

Cretae containers by running

docker compuse up -d

Check wether hosts are created or not

docker ps

• you should see 4 host containers.

on local machine:

ssh-keygen -t rsa

• (press enter 3-4 times) cat ~/.ssh/id_rsa.pub copy that key and store it safely.

execute shell into host(container)

docker exec -it <container_name> /bin/sh

replace container name with hostnames

On all host containers execute these commands.

apk add openssh-server

apk add openssh-client

echo "Port 22" > /etc/ssh/sshd_config

echo "PermitRootLogin yes" >> /etc/ssh/sshd_config

echo "PasswordAuthentication yes" >> /etc/ssh/sshd_config

ssh-keygen -A

mkdir -p ~/.ssh

echo "<ssh key from host>" >> ~/.ssh/authorized_keys

replace with the key you saved earlier.

chmod 700 ~/.ssh

chmod 600 ~/.ssh/authorized_keys

/usr/sbin/sshd

exit

Do this on all 4 hosts

now paswordless ssh is enabled

we can use our script now

TESTING WORM:

cd src

pip install paramiko

python worm.py "<command to execute> <ip addresses of host seperated by spaces>

example :

python worm.py "hostname" 172.19.0.4 172.19.0.2 172.19.0.3 172.19.0.1 you will get your desired output

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SETTING UP ENVIRONMENT FOR INTERNAL HOST TESING :

just add firewall rules using UFW on the local host and try the script.

commands:

apk add ufw ufw allow from to any port 22

for rejecting hosts:

ufw reject from to any port 22