#!/usr/bin/python
#
# A raw broadcast system for low level hackers.
#
# We just send a message to all ip addresses within
# a specific network range, using icmp echo packs.
#
# Needed libs:
#
#  impacket: http://oss.coresecurity.com/projects/impacket.html
#  ip calc: http://tehmaze.com/code/python/ipcalc/
#

import socket
from impacket import ImpactPacket
from ipcalc import Network

message = 'APOIS!__________http://www.apois.mobi/________APOIS!'
src = '172.16.22.129'
ips = [ '172.16.22.0/22', '172.16.44.0/24' ]

class App:

  ip = None
  icmp = None
  s = None
  iplst = []

  def __init__( self ):

    self.prepare()

    seq_id = 0

    while 1:

      for ipaddr in self.iplst:

        ip = self.ip
        icmp = self.icmp
        s = self.s

        seq_id = seq_id + 1
        icmp.set_icmp_id( seq_id )
        icmp.set_icmp_cksum( 0 )
        icmp.auto_checksum = 1

        #ip.set_ip_dst( "85.247.250.91" )
        ip.set_ip_dst( ipaddr )

        s.sendto( ip.get_packet(), ( ipaddr, 0 ) )

        print "sent ICMP ECHO to %s" % ( ipaddr )

  def prepare( self ):

    # fill up ip list
    for entry in ips:
      for i in Network(entry):
        self.iplst.append( str( i ) )

    ip = self.ip
    icmp = self.icmp
    s = self.s

    ip = ImpactPacket.IP()

    ip.set_ip_src( src )
    ip.set_ip_dst( "127.0.0.1" )

    icmp = ImpactPacket.ICMP()
    icmp.set_icmp_type( icmp.ICMP_ECHO )

    icmp.contains( ImpactPacket.Data( message + ( " "*( 156 - len( message ) ) ) ) )

    ip.contains( icmp )

    s = socket.socket( socket.AF_INET, socket.SOCK_RAW, socket.IPPROTO_ICMP )
    s.setsockopt( socket.IPPROTO_IP, socket.IP_HDRINCL, 1 )

    self.ip = ip
    self.icmp = icmp
    self.s = s

def main():

  # start app
  App()

if __name__ == '__main__':
  main()