Network Scripts directory added (#611)

Added pingsweep-network-scanner in Network_Scripts/.

Signed-off-by: Jayaditya Dev <114943741+jayadityadev@users.noreply.github.com>

Network_Scripts/pingsweep_network_scanner/README.md

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+# Ping Sweep Network Scanner
+
+## Table of Contents
+
+- [Overview](#overview)
+- [Features](#features)
+- [Usage](#usage)
+- [Example](#example)
+
+## Overview
+
+This Python script allows you to perform a ping sweep on a range of IP addresses within a specified subnet to identify live hosts. It supports both Windows and Unix-like systems for the ping command.
+
+## Features
+
+- Scan a range of IP addresses within a subnet.
+- Detect live hosts within the specified range.
+- Cross-platform compatibility (Windows and Unix-like systems).
+
+## Usage
+
+1. Run the program
+
+   * For Windows (Powershell/CMD): 
+
+      ```
+      python main.py
+      ```
+
+   * For Linux (bash/zsh/unix):
+
+      ```bash
+      sudo python3 main.py
+      ```
+
+   `Root privilege is required for linux users, as modern kernels of linux don't allow pinging without root privilege.`
+
+2. Follow the on-screen instructions to provide the following information:
+
+   * Subnet IP (e.g., 192.168.0)
+   * Starting IP range
+   * Ending IP range
+
+## Example
+
+```
+Enter the SUBNET IP: 192.168.1
+Enter Starting Range: 1
+Enter Ending Range: 10
+```
+The script will scan the hosts ranging from IP Address: 192.168.1.1 to 192.168.1.10.
+
+```
+Scanning completed in 0:00:13.741418
+
+Live Hosts:
+192.168.1.1 --> Live
+192.168.1.2 --> Live
+192.168.1.5 --> Live
+192.168.1.7 --> Live
+192.168.1.9 --> Live
+```
+
+---
+
+`The efficiency of the program solely depends on factors such as network traffic and connectivity of devices to the router/dhcp server. Also, in some cases, the program skips some live hosts, even though they're up due to delay in responding to the ping command within the time slot.`

Network_Scripts/pingsweep_network_scanner/functions.py

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+import platform
+from datetime import datetime
+import subprocess
+
+
+def instructions():
+    print("""
+    1. Enter an IP range for the ping sweep.
+    2. Enter the range to start ping from.
+    3. Enter the range to end ping at.
+
+    Example: -192.168.0
+             -2
+             -8
+    Script will scan from 192.168.0.2 to 192.168.0.8 \n""")
+
+
+def network_info():
+    subnet_ip = input('Enter the SUBNET IP: ')
+    first_host = int(input('Enter Starting Range: '))
+    last_host = int(input('Enter Ending Range: ')) + 1
+    return subnet_ip, first_host, last_host
+
+
+def network_scan():
+    subnet_ip, first_host, last_host = network_info()
+    time1 = datetime.now()
+    live_hosts = []
+
+    for ip in range(first_host, last_host):
+        addr = f"{subnet_ip}.{ip}"
+        command = f"ping -n 1 -w 2500 {addr}" if platform.system() == 'Windows' else f"ping -c 1 -W 2 {addr}"
+        response = subprocess.run(command, capture_output=True, text=True, shell=True)
+
+        if "TTL" in response.stdout or "ttl" in response.stdout:
+            live_hosts.append((addr, 'Live'))
+
+    time2 = datetime.now()
+    total = time2 - time1
+    print("\nScanning completed in", total)
+
+    return live_hosts

Network_Scripts/pingsweep_network_scanner/main.py

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+import functions
+
+
+def main():
+    live_hosts = functions.network_scan()
+    if live_hosts:
+        print("\nLive Hosts:")
+        for host, status in live_hosts:
+            print(f"{host} --> {status}")
+    else:
+        print("\nNo devices up and running in the given range of network.")
+
+
+if __name__ == "__main__":
+    functions.instructions()
+    main()