Nmap and Network Scanning

11.

Nmap Scripting Engine (NSE)

11.1.

NSE Architecture

11.1.1.

Lua Scripting Language

11.1.2.

Script Execution Framework

11.1.3.

11.2.

Script Categories

11.2.1.

11.2.1.1.

Authentication Testing

11.2.1.2.

Credential Validation

11.2.2.

broadcast Scripts

11.2.2.1.

Network Broadcast Discovery

11.2.2.2.

Service Announcement Detection

11.2.3.

11.2.3.1.

Brute Force Attacks

11.2.3.2.

Password Cracking

11.2.4.

default Scripts

11.2.4.1.

Standard Script Set

11.2.4.2.

Safe and Useful Scripts

11.2.5.

discovery Scripts

11.2.5.1.

Service Discovery

11.2.5.2.

Information Gathering

11.2.6.

11.2.6.1.

Denial of Service Testing

11.2.6.2.

Vulnerability Exploitation

11.2.7.

exploit Scripts

11.2.7.1.

Vulnerability Exploitation

11.2.7.2.

Proof of Concept Attacks

11.2.8.

external Scripts

11.2.8.1.

External Resource Queries

11.2.8.2.

Third-Party Integration

11.2.9.

11.2.9.1.

11.2.9.2.

11.2.10.

intrusive Scripts

11.2.10.1.

Aggressive Testing

11.2.10.2.

System Impact Scripts

11.2.11.

malware Scripts

11.2.11.1.

Malware Detection

11.2.11.2.

Backdoor Identification

11.2.12.

11.2.12.1.

Non-Intrusive Testing

11.2.12.2.

Information Gathering Only

11.2.13.

version Scripts

11.2.13.1.

Version Detection Enhancement

11.2.13.2.

Service Identification

11.2.14.

11.2.14.1.

Vulnerability Detection

11.2.14.2.

Security Assessment

11.3.

Using NSE Scripts

11.3.1.

Default Script Execution (-sC, --script=default)

11.3.2.

Specific Script Selection (--script)

11.3.2.1.

Single Script Execution

11.3.2.2.

Multiple Script Execution

11.3.2.3.

Wildcard Script Selection

11.3.3.

Category-Based Selection

11.3.3.1.

Script Category Filtering

11.3.3.2.

Combined Categories

11.3.4.

Script Exclusion

11.3.4.1.

Avoiding Specific Scripts

11.3.4.2.

Category Exclusion

11.4.

Script Arguments (--script-args)

11.4.1.

Parameter Passing

11.4.2.

Argument Syntax

11.4.3.

Script-Specific Configuration

11.5.

Script Information and Help

11.5.1.

Script Documentation (--script-help)

11.5.2.

Script Descriptions

11.5.3.

11.6.

Script Database Management

11.6.1.

Script Updates (--script-updatedb)

11.6.2.

Custom Script Installation

11.6.3.

Script Location Management

11.7.

Popular NSE Scripts

11.7.1.

11.7.2.

smb-enum-shares

11.7.3.

11.7.4.

11.7.5.

11.7.6.

11.7.7.

11.7.8.

11.8.

Writing Custom NSE Scripts

11.8.1.

Script Structure

11.8.1.1.

Description Section

11.8.1.2.

Categories and Dependencies

11.8.1.3.

11.8.1.4.

Action Functions

11.8.2.

Lua Programming Basics

11.8.2.1.

Variables and Data Types

11.8.2.2.

Control Structures

11.8.2.3.

Functions and Libraries

11.8.3.

11.8.3.1.

Network Communication

11.8.3.2.

Protocol Handling

11.8.3.3.

Utility Functions

11.8.4.

Script Development Process

11.8.4.1.

Planning and Design

11.8.4.2.

11.8.4.3.

Testing and Debugging

11.8.5.

Script Distribution

11.8.5.1.

Community Contribution

11.8.5.2.

Local Script Management

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12. Output Formats and Analysis