portscan-udp.sh

#!/bin/sh
set -eu

usage() {
  echo "Usage: ${0##*/} <target-hosts-list.txt> <exclude-hosts-list.txt>"
}

if [ "$#" -eq 0 ]; then
  echo "Error: Target hosts must be specified"
  usage
  exit 1
fi

if [[ "$1" == "-h" ]]; then
  usage
  exit 0
fi

hosts=$(<$1)
echo "Target: ${hosts}"

today=`date +%Y%m%d`
if [ ! -d ./results/${today} ]; then
  mkdir -p ./results/${today}
fi

if [ "$#" -eq 2 ]; then
  exclude_hosts=`cat $2`
  for h in ${hosts[@]}
  do
    host_name=`echo $h | tr "/" "_"`
    now=`date +%Y%m%d_%H%M%S`
    echo "Now Launching: nmap -v -sU -F --exclude ${exclude_hosts} -oX ./results/${today}/${host_name}_udp_${now}.xml -oN ./results/${today}/${host_name}_udp_${now}.txt ${h}"
    # fastmode (top 100 ports)
    sudo nmap -v -sU -F --exclude ${exclude_hosts} -oX ./results/${today}/${host_name}_udp_${now}.xml -oN ./results/${today}/${host_name}_udp_${now}.txt ${h}
  done
fi

if [ "$#" -eq 1 ]; then
  for h in ${hosts[@]}
  do
    host_name=`echo $h | tr "/" "_"`
    now=`date +%Y%m%d_%H%M%S`
    echo "Now Launching: nmap -v -sU -F -oX ./results/${today}/${host_name}_udp_${now}.xml -oN ./results/${today}/${host_name}_udp_${now}.txt ${h}"
    # fastmode (top 100 ports)
    sudo nmap -v -sU -F -oX ./results/${today}/${host_name}_udp_${now}.xml -oN ./results/${today}/${host_name}_udp_${now}.txt ${h}
  done
fi