#!/usr/bin/bash if [ $# -lt 1 ]; then echo "Invalid usage: $0 " exit fi if [ "$EUID" -ne 0 ]; then echo "[-] Script requires root permissions (e.g. nmap scan)" exit fi IP_ADDRESS=$1 echo "[+] Checking online status…" ping -c1 -W1 -q "${IP_ADDRESS}" &>/dev/null status=$(echo $?) if ! [[ $status == 0 ]] ; then echo "[-] Target not reachable" exit fi echo "[+] Scanning for open ports…" PORTS=$(nmap -p- -T4 ${IP_ADDRESS} | grep ^[0-9] | cut -d '/' -f 1 | tr '\n' ',' | sed s/,$//) if [ -z "${PORTS}" ]; then echo "[-] No open ports found" exit fi echo "[+] Open ports: ${PORTS}" echo "[+] Performing service scans…" nmap -A "${IP_ADDRESS}" -p$PORTS -T4 -v