Network Reconnaissance and Enumeration
This lab teaches comprehensive network reconnaissance and enumeration techniques essential for penetration testing and security assessments.
Objectives
- Master network scanning with Nmap and Masscan
- Learn service enumeration techniques
- Understand stealth scanning methods
- Practice information gathering methodologies
Prerequisites
- Basic networking knowledge (TCP/IP, ports, protocols)
- Command line proficiency
- Understanding of common network services
Lab Environment
Isolated network environment with multiple target systems running various services and operating systems.
Key Topics Covered
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Network Discovery
- Host discovery techniques
- Network mapping
- Live host identification
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Port Scanning
- TCP and UDP scanning
- Stealth scanning techniques
- Timing and performance optimization
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Service Enumeration
- Version detection
- Service fingerprinting
- Banner grabbing
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Advanced Techniques
- Script scanning with NSE
- Custom reconnaissance scripts
- Firewall and IDS evasion
Tools and Techniques
- Nmap for comprehensive scanning
- Masscan for high-speed discovery
- Custom Python scripts
- Netcat for manual enumeration
Getting Started
Begin with passive reconnaissance and gradually move to active scanning techniques while maintaining stealth.