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High-quality, simplified ethical hacking study materials designed to help you land your dream job in cybersecurity.

46 Modules & Labs

Comprehensive coverage of CEH concepts, from basic terminal usage to advanced malware analysis scripts.

100+ Q&A per Chapter

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📄Beginner

Vol 1: Cyber Hacking Fundamentals

Size: 15MBFormat: PDF
📄Beginner

Vol 1: Linux & Kali Command Guide

Size: 12MBFormat: PDF
📄Intermediate

Vol 2: Advanced Networking Audit

Size: 18MBFormat: PDF
📄Intermediate

Vol 2: Burp Suite & API Penetration

Size: 22MBFormat: PDF
📄Advanced

Vol 3: Web App OWASP Vulnerabilities

Size: 20MBFormat: PDF
📄Advanced

Vol 3: Malware Architecture & Decryption

Size: 25MBFormat: PDF
📄Advanced

Vol 4: Wi-Fi Penetration Audit Manual

Size: 14MBFormat: PDF
📄Advanced

Vol 4: Bug Bounty Methodology Guide

Size: 19MBFormat: PDF

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Phase 1: Foundations

Master Linux Commands & Networking Fundamentals

Every successful hacker starts here. You must learn standard Linux architecture, file management commands, and basic networking concepts (IP routing, subnetting, TCP/UDP headers, and critical port operations).

Key Focus Areas:
  • Linux directory tree structure
  • Basic scripting & pipe redirection
  • DNS resolution & routing logs
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  • Volume 1: Linux & Kali Command Guide
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Volume 1: Linux & Kali Command GuidePage 14 of 95

Section 4.2: Linux Port Scanning & Network Diagnostics

To scan target IP addresses for active network services, we utilize the netcat (nc) utility. Unlike heavier port scanners like Nmap, Netcat is built into almost all standard UNIX-like environments, making it ideal for quick scripting during initial access.

Command: Auditing Open Ports via Netcat

# Scan ports 20 through 80 on target server with a timeout of 2 seconds: $ nc -z -v -w 2 192.168.1.105 20-80

Target Output:

Connection to 192.168.1.105 22 port [tcp/ssh] succeeded! Connection to 192.168.1.105 80 port [tcp/http] succeeded!

The -z flag forces Netcat to scan for listening daemons without sending any data. The -v flag activates verbose outputs to stdout.

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