85% of SOC analysts use Blue Team Labs Online for incident response training. This tutorial covers forensic analysis, SIEM investigations, and threat hunting techniques from 50+ real-world scenarios used by Fortune 500 security teams.
Blue Team Labs Online: Defensive Security Guide
BTLO Lab Categories (2023)
1. Incident Response Scenarios
Key Labs:
- Phishing Investigation: Email header analysis
- Ransomware Triage: Timeline reconstruction
- Endpoint Compromise: Memory dump analysis
Tools Used:
- Velociraptor: Endpoint collection
- Splunk: Log correlation
- Autopsy: Disk forensics
Enterprise Example:
Microsoft Sentinel integration for cloud IR scenarios
2. Forensic Analysis Techniques
Critical Skills:
- Memory Forensics: Volatility framework
- Disk Analysis: FTK Imager, The Sleuth Kit
- Network Forensics: Wireshark, Zeek logs
Command Examples:
# Volatility memory analysis
vol.py -f memory.dump windows.pslist
vol.py -f memory.dump windows.malfind
# Zeek log analysis
zeek-cut -d < conn.log | awk '{print $3,$5,$6}' | sort | uniq -c
3. SIEM Investigations
Key Labs:
- Brute Force Detection: Splunk queries
- Lateral Movement: Sigma rule creation
- Data Exfiltration: Network traffic baselining
Enterprise Queries:
# Splunk brute force detection
index=wineventlog EventCode=4625
| stats count by _time, user, src_ip
| where count > 5
# Sigma rule example
title: Suspicious Process Creation
description: Detects unusual child processes
logsource:
product: windows
category: process_creation
detection:
selection:
ParentImage: '*\powershell.exe'
Image: '*\cmd.exe'
condition: selection
4. Threat Hunting Methodologies
Approaches:
- Hypothesis-Driven: "Is there evidence of C2 beacons?"
- Indicator-Based: Known malicious IPs/hashes
- Anomaly Detection: Statistical outliers
BTLO Exercises:
- Detect DNS tunneling in network logs
- Identify living-off-the-land binaries
- Hunt for persistence mechanisms
BTLO Lab Reference
| Category | Beginner Lab | Advanced Lab | Key Skill |
|---|---|---|---|
| Incident Response | Phishing Analysis | Ransomware Triage | Timeline Analysis |
| Forensics | Windows Artifacts | Memory Dump Analysis | Volatility |
| Threat Hunting | Basic IOC Search | APT Simulation | Sigma Rules |
5. Career Pathways
Certification Prep
- BTL1: Complete 30+ labs
- GCFA: Focus on forensic labs
- CySA+: Practice all SIEM modules
Role Readiness
- SOC Analyst: 20+ IR labs
- Forensic Investigator: 15+ disk/memory labs
- Threat Hunter: 10+ hunting scenarios
BTLO Progression Plan
✓ Complete 5 basic forensic labs
✓ Solve 3 enterprise IR scenarios
✓ Create 10 custom Sigma rules
✓ Earn Blue Belt ranking
SOC Manager Insight: The 2023 SANS survey showed analysts with BTLO experience resolve incidents 40% faster. Hands-on practice with realistic evidence sets builds critical pattern recognition skills for enterprise security operations.
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