Help me study for my Computer Science class. I’m stuck and don’t understand.
Activity File: Alert and Attacking Target 1
You are working as a Security Engineer for X-CORP, supporting the SOC infrastructure. The SOC analysts have noticed some discrepancies with alerting in the Kibana system and the manager has asked the Security Engineering team to investigate.
To start, your team needs to confirm that newly created alerts are working. Once the alerts are verified to be working, you will monitor live traffic on the wire to detect any abnormalities that aren’t reflected in the alerting system.
You will then report back all your findings to both the SOC manager and the Engineering Manager with appropriate analysis.
You have two class days to complete this activity.
Start by configuring new alerts in Kibana. Once configured, you will test them by attacking a system.
Open the Defensive Report Template and complete it as you progress through the activity.
Complete the following to configure alerts in Kibana:
- Access Kibana at 192.168.1.100:5601
- Click on Management > License Management and enable the Kibana Premium Free Trial.
- Click Management > Watcher > Create Alert > Create Threshold Alert
- Implement three of the alerts you designed at the end of Project 2.
You are free to configure any alerts you’d like, but you are recommended to start with the following:
- Excessive HTTP Errors
WHEN count() GROUPED OVER top 5 ‘http.response.status_code’ IS ABOVE 400 FOR THE LAST 5 minutes
- HTTP Request Size Monitor
WHEN sum() of http.request.bytes OVER all documents IS ABOVE 3500 FOR THE LAST 1 minute
- CPU Usage Monitor
WHEN max() OF system.process.cpu.total.pct OVER all documents IS ABOVE 0.5 FOR THE LAST 5 minutes
Note: There are a few way to to view these log messages and their associated data. options.
- First, you can see when alerts are firing directly from the Watcher screen.
- As you attack Target 1, keep the watcher page open to view your alerts fire in real time.
- To view network traffic associated with these messages, we need to create a new ‘Index Pattern’:
- Click on Management > Index Patterns and click on the button for ‘Create Index Pattern’.
- Make sure to turn on the toggle button labeled ‘Include System Indices’ on the top right corner.
- Create the pattern .watcher-history-*
- After you have this new index pattern, you can search through it using the ‘Discovery’ page.
- Enter result.condition.met in as search filter and you can see all the traffic from your alerts.
Attacking Target 1
Open the Offensive Report Template and complete it while you progress this activity.
You will need to run a few commands on Target 1 in order to ensure it forwards logs to Kibana. Follow the steps below:
- Open the Hyper-V Manager.
- Connect to Target 1.
- Log in with username vagrant and password tnargav.
- Escalate to root with sudo -s.
- Run /opt/setup.
This enables Filebeat, Metricbeat, and Packetbeat on the Target VM if they are not running already.
Now that you’ve configured alerts, you’ll attack a vulnerable VM on the network: Target 1.
Ignore the Target 2 machine at this time. If you complete the entire project with time to spare, ask your instructor for directions on attacking Target 2 and integrating it into your project.
Complete the following high-level steps:
- Scan the network to identify the IP addresses of Target 1.
- Document all exposed ports and services.
- Enumerate the WordPress site. One flag is discoverable after this step.
- Hint: Look for the Users section in the output.
- Use SSH to gain a user shell. Two flags can be discovered at this step.
- Hint: Guess michael’s password. What’s the most obvious possible guess?
- Find the MySQL database password.
- Hint: Look for a wp-config.php file in /var/www/html.
- Use the credentials to log into MySQL and dump WordPress user password hashes.
- Crack password hashes with john.
- Hint: Start by creating a wp_hashes.txt with Steven and Michael’s hashes, formatted as follows
- Secure a user shell as the user whose password you cracked.
- Escalate to root. One flag can be discovered after this step.
- Hint: Check sudo privileges. Is there a python command you can use to escalate to sudo?
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