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If you’re getting started in cybersecurity or want to level up your SIEM/SOC skills, Splunk is offering 10 FREE courses with certificates! These courses are perfect for building hands-on experience with a powerful tool used in real-world security operations.
Courses Available:
- The Art of Investigation (SOC Analyst) – https://lnkd.in/gFd8x57P
- Data and Tools for Defense Analysts – https://lnkd.in/gGVEYgRr
- Developing SOAR Applications – https://lnkd.in/g_WqDjT8
- Scheduling Reports & Alerts – https://lnkd.in/gJa9Bsbe
- Security Operations & Defense Analyst – https://lnkd.in/gKWFq6pn
- Intro to Cybersecurity Awareness – https://lnkd.in/gXFUYwrN
- Intro to Enterprise Security – https://lnkd.in/gDhScUjz
- Visualizations – https://lnkd.in/g2GSfJGj
- The Cybersecurity Landscape – https://lnkd.in/g7TPZnHS
- Understanding Threats & Attacks – https://lnkd.in/gjzjpkbH
You Should Know:
Essential Splunk Commands for Cybersecurity
Splunk is a powerful SIEM tool used for log analysis, threat detection, and incident response. Here are some key commands and techniques:
1. Basic Search Query
index=security_logs sourcetype=firewall action=blocked | stats count by src_ip
Filters blocked firewall logs and counts by source IP.
2. Detecting Brute-Force Attacks
index=auth_logs sourcetype=linux_secure "Failed password" | stats count by user, src_ip | sort -count
Finds repeated failed login attempts.
3. Extracting Suspicious IPs
index=proxy_logs status=403 | top 10 client_ip
Lists top IPs with forbidden access attempts.
4. Creating Alerts
| savedsearch "Malicious_IP_Traffic" | sendemail [email protected]
Automates email alerts for detected threats.
5. Correlating Events
index=windows_logs EventCode=4625 OR EventCode=4648 | transaction host maxspan=5m
Tracks multiple failed logins within 5 minutes.
Linux Security Commands
- Check Open Ports:
sudo netstat -tulnp | grep LISTEN
- Monitor User Logins:
last -a | head -20
- Analyze Suspicious Processes:
ps aux | grep -E "(crypt|miner|backdoor)"
Windows Security Commands
- Check Failed Logins:
Get-WinEvent -FilterHashtable @{LogName='Security'; ID=4625} | Format-Table -AutoSize - List Scheduled Tasks (Malware Check):
schtasks /query /fo LIST /v
What Undercode Say:
Splunk is a must-know tool for SOC analysts and cybersecurity professionals. These free courses provide an excellent opportunity to gain hands-on experience in threat detection, log analysis, and security automation. By mastering Splunk queries, Linux security commands, and Windows event analysis, you can significantly enhance your defensive capabilities.
Expected Output:
- Enhanced SIEM/SOC skills.
- Practical knowledge in threat investigation.
- Free certifications to boost your resume.
- Hands-on experience with real-world security tools.
Start learning today and take your cybersecurity career to the next level! 🚀
References:
Reported By: Ouardi Mohamed – Hackers Feeds
Extra Hub: Undercode MoN
Basic Verification: Pass ✅
