NetScan

Network scanning tool using Nmap with GUI interface for Windows and Linux

NetScan

NetScan is a portable tool for network scanning using Nmap on Windows, with an alternative GUI frontend based on Zenity. It deploys Nmap with all its dependencies silently and unattended, and allows executing different scanning levels while generating HTML reports.

Features

Portable

No installation required - runs directly from extraction

Silent Deployment

Automatically installs Nmap and dependencies

HTML Reports

Generates detailed scan reports in HTML format

Windows Version

Download

File	OS	Size
netscan.exe (.zip)	Windows 10/11 x64	78.2 MB

Package Contents

• Nmap - Network scanning engine
• Npcap - Packet capture library
• libxslt (xsltproc) - XSLT processor for report generation
• Microsoft Visual C++ Runtimes - Required dependencies

Before Installation: If you have Nmap or Npcap already installed, uninstall them before using NetScan to avoid version conflicts.

Installation and Usage

1. Prepare System

   1. Disable Antivirus, Antimalware, and SmartScreen temporarily
   2. Close all applications
   3. Verify system date and time are correct
   4. Connect to your data network
2. Extract and Run

   1. Unzip netscan.exe (.zip) to your desktop
   2. Double-click the executable
   3. Accept privileged execution when prompted
3. Network Connection

   Connect to your network when prompted, then click OK to continue.

   

4. Select Scan Mode

   Choose the appropriate scan mode for your needs.

   

5. Npcap Installation

   Manually complete the Npcap installation when prompted.

   

   Npcap free version is included, which supports up to 5 machines. The OEM version with silent installation is not available in the free tier.

6. Review Results

   Scan reports are saved to Desktop\Report folder with timestamps.

   

Scanning Modes

LAN Scan

Quick Network Discovery

nmap -sS -T4 -F -sV

• Fast network scan
• Service version detection
• Ideal for quick inventory

Advanced LAN Scan

Deep Network Analysis

nmap -sS -T4 -F -sV -sC --max-retries 3 --host-timeout 5m

• Deep scanning with NSE scripts
• Service enumeration
• Timeout controls

IP Scan

Comprehensive Host Audit

nmap -sS -T4 -F -sV --version-intensity 8 -sC -O \
  --script vuln --traceroute -oA scan_ip \
  --max-retries 3 --host-timeout 10m

• OS detection
• Vulnerability scanning
• Detailed service enumeration
• Network traceroute
• Single host focus (no ranges)

Scan Messages

Progress Messages

Message	Description
	Enter specific IPv4 (ranges not accepted)
	Invalid IPv4 address entered
	Scanning in progress
	Intense scan running
	Scan completed successfully

Error Messages

Message	Description
	Installation canceled or error occurred
	Dependency installation failed
	No internet connectivity detected
	Incompatible operating system

Installation Messages

Message	Description
	Extracting NetScan content
	Installing MS Visual C++ Runtimes

Linux Version

NetScan can run on Linux with the same three scan modes. Reports are saved to /home/$USER/Report with timestamps.

Quick Start

# Download and run
wget -q https://raw.githubusercontent.com/maravento/vault/master/netscan/linux/netreport.sh -O netreport.sh
chmod +x netreport.sh
sudo ./netreport.sh

Scan Options

1. LAN Scan - Fast network discovery
2. Advanced LAN Scan - Deep network analysis
3. IP Scan - Comprehensive single-host audit

Output Reports

Reports are saved with timestamps for easy tracking:

Windows: Desktop\Report\
Linux: /home/$USER/Report/

Filename format:

scan_type_YYYY_MM_DD_HH_MM_SS.html

About Npcap Licensing

NetScan includes Npcap’s free version, which:

• Allows use on up to 5 machines
• Does not support silent installation (/S option)
• Requires manual installation during setup

For OEM licensing with silent installation support, see Npcap OEM.

Telemetry

NetScan sends anonymous installation completion data for statistical purposes only. No personal data is collected.

Example telemetry:

Package Installation
Hostname=DESKTOP-AJ4JSC8
User=User
Date=mié. 13/11/2024 Time= 6:44:17,39
Status=Installed
Package: NetScan

System Requirements

Windows

• OS: Windows 10/11 x64
• Privileges: Administrator rights required
• Network: Active network connection

Linux

• OS: Ubuntu/Debian-based distributions
• Privileges: sudo access required
• Dependencies: Nmap (auto-installed)

Additional Resources

Nmap Documentation

Official Nmap reference and guides

Npcap Guide

Npcap installation and usage