2025-02-11
The Linux EDR Telemetry Project has finally released its results, showcasing how well Endpoint Detection and Response (EDR) solutions handle Linux visibility. This project, which involved months of testing and collaboration, provides valuable insights into the effectiveness of various EDR tools in monitoring Linux environments.
Key Findings
The project evaluated multiple EDR solutions, focusing on their ability to provide visibility into Linux systems. The results highlight the strengths and weaknesses of each tool, offering a comprehensive comparison that can help organizations choose the right solution for their needs.
Practical Commands and Codes
To leverage the insights from this project, here are some practical Linux commands and techniques that can enhance your monitoring and security posture:
1. Auditd for System Monitoring
Auditd is a powerful tool for monitoring system calls and file access. Install and configure it using:
sudo apt-get install auditd sudo systemctl enable auditd sudo systemctl start auditd
Example rule to monitor file access:
sudo auditctl -w /etc/passwd -p rwxa -k passwd_access
2. Syslog for Log Management
Syslog is essential for centralized logging. Configure it to send logs to a remote server:
sudo nano /etc/rsyslog.conf
Add the following line to forward logs:
<em>.</em> @<remote-server-ip>:514
Restart the service:
sudo systemctl restart rsyslog
3. Linux Process Monitoring
Use `ps` and `top` to monitor running processes:
ps aux | grep <process-name> top
4. File Integrity Monitoring with AIDE
AIDE (Advanced Intrusion Detection Environment) helps detect changes in files:
sudo apt-get install aide sudo aideinit sudo mv /var/lib/aide/aide.db.new /var/lib/aide/aide.db sudo aide.wrapper --check
5. Network Monitoring with tcpdump
Capture network traffic for analysis:
sudo tcpdump -i eth0 -w capture.pcap
What Undercode Say
The Linux EDR Telemetry Project underscores the importance of robust monitoring and visibility in Linux environments. As Linux continues to grow in enterprise environments, ensuring effective security monitoring is critical. The project’s findings reveal that while some EDR solutions excel in Linux visibility, others lag behind. This highlights the need for organizations to carefully evaluate their EDR tools and consider supplementing them with native Linux monitoring solutions.
To further enhance your Linux security posture, consider implementing the following additional practices:
- Enable SELinux or AppArmor for mandatory access control:
sudo setenforce 1 # For SELinux sudo aa-enforce /path/to/profile # For AppArmor
Use Fail2Ban to protect against brute-force attacks:
sudo apt-get install fail2ban sudo systemctl enable fail2ban sudo systemctl start fail2ban
Regularly Update and Patch Systems:
sudo apt-get update && sudo apt-get upgrade -y
Monitor User Activity with `last` and
who
:last who
Implement Two-Factor Authentication (2FA) for SSH:
sudo apt-get install libpam-google-authenticator google-authenticator
For more detailed insights, refer to the full blog and results:
– Linux EDR Telemetry Project Blog
– Linux Results
– Scores
By combining the findings of this project with practical Linux commands and tools, organizations can significantly improve their ability to monitor and secure Linux systems.
References:
Hackers Feeds, Undercode AI