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A Cloud Guru

Write a Script to Perform a Vulnerability Scan of the Listed Services

This time we need to write an automated vulnerability scan of the server using Python. This Python script will make use of Nmap. The must do the following: * Perform a broad full vulnerability sweep. * Generatea report and send it to the admin by email. * Be scheduled to run every week.

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Path Info

Level

Intermediate

Duration

30m

Published

Mar 06, 2020

Challenge

Install EPEL repos, Nmap, sendemail, python36, python36-devel, and git

sudo yum install https://dl.fedoraproject.org/pub/epel/epel-release-latest-8.noarch.rpm

sudo yum install nmap python36 python36-devel
sudo yum install git
sudo yum install sendemail

Challenge

Get vulnersCom and Perform a Vulnerability Scan of httpd, mariadb, and sshd

git clone https://github.com/vulnersCom/nmap-vulners.git

sudo mv /home/cloud_user/nmap-vulners/ /usr/share/nmap/scripts/

nmap -sV --script nmap-vulners <IP> -p22,80,3306

Challenge

Write a Python Script to Incorporate the Scans and Send Results via Email

vim /home/cloud_user/scan.py

#!/bin/python3.6

import subprocess

p = subprocess.Popen(["nmap", "-sV", "--script", "nmap-vulners", "[IP_ADDRESS]", "-p22,80,3306"], stdout=subprocess.PIPE)
(output, err) = p.communicate()
msg = output.decode('utf-8').strip()

subprocess.check_output(['sendemail', '-f', '[FROM_EMAIL]', '-u', 'AUTH_NOTIFICATION', '-t', '[TO_EMAIL]', '-s', 'smtp.gmail.com:587', '-o', 'tls=yes', '-xu', '[USER_NAME]', '-xp', '[PASSWORD]', '-m', msg], stdin=None, stderr=None, shell=False, universal_newlines=False)

ESC
:wq
ENTER

chmod +x /home/cloud_user/scan.py

Challenge

Configure the Script to Run Once a Week

sudo crontab -e

@weekly /home/cloud_user/scan.py

ESC 
:wq
ENTER

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A Cloud Guru

The Cloud Content team comprises subject matter experts hyper focused on services offered by the leading cloud vendors (AWS, GCP, and Azure), as well as cloud-related technologies such as Linux and DevOps. The team is thrilled to share their knowledge to help you build modern tech solutions from the ground up, secure and optimize your environments, and so much more!

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