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##
# This module requires Metasploit: https://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##
class MetasploitModule < Msf::Auxiliary
include Msf::Exploit::Remote::Capture
include Msf::Exploit::Remote::Ipv6
include Msf::Auxiliary::Report
def initialize
super(
'Name' => 'IPv6 Link Local/Node Local Ping Discovery',
'Description' => %q{
Send a ICMPv6 ping request to all default multicast addresses, and wait to see who responds.
},
'Author' => 'wuntee',
'License' => MSF_LICENSE,
'References' =>
[
['URL','http://wuntee.blogspot.com/2010/12/ipv6-ping-host-discovery-metasploit.html']
]
)
deregister_options('SNAPLEN', 'FILTER', 'RHOST', 'PCAPFILE')
end
def listen_for_ping_response(opts = {})
hosts = {}
timeout = opts['TIMEOUT'] || datastore['TIMEOUT']
prefix = opts['PREFIX'] || datastore['PREFIX']
max_epoch = ::Time.now.to_i + timeout
while(::Time.now.to_i < max_epoch)
pkt_bytes = capture.next()
Kernel.select(nil,nil,nil,0.1)
next if not pkt_bytes
p = PacketFu::Packet.parse(pkt_bytes)
# Don't bother checking if it's an echo reply, since Neighbor Solicitations
# and any other response is just as good.
next unless p.is_ipv6?
host_addr = p.ipv6_saddr
host_mac = p.eth_saddr
next if host_mac == @smac
unless hosts[host_addr] == host_mac
hosts[host_addr] = host_mac
print_status(" |*| #{host_addr} => #{host_mac}")
end
end
return hosts
end
def smac
smac = datastore['SMAC']
smac ||= get_mac(@interface) if @netifaces
smac ||= ipv6_mac
smac
end
def run
# Start capture
open_pcap({'FILTER' => "icmp6"})
@netifaces = true
if not netifaces_implemented?
print_error("WARNING : Pcaprub is not uptodate, some functionality will not be available")
@netifaces = false
end
@interface = datastore['INTERFACE'] || Pcap.lookupdev
# Send ping
print_status("Sending multicast pings...")
dmac = "33:33:00:00:00:01"
@smac = smac
# Figure out our source address by the link-local interface
shost = ipv6_link_address
# m-1-k-3: added some more multicast addresses from wikipedia: https://en.wikipedia.org/wiki/Multicast_address#IPv6
ping6("FF01::1", {"DMAC" => dmac, "SHOST" => shost, "SMAC" => @smac, "WAIT" => false}) #node-local all nodes
ping6("FF01::2", {"DMAC" => dmac, "SHOST" => shost, "SMAC" => @smac, "WAIT" => false}) #node-local all routers
ping6("FF02::1", {"DMAC" => dmac, "SHOST" => shost, "SMAC" => @smac, "WAIT" => false}) #All nodes on the local network segment
ping6("FF02::2", {"DMAC" => dmac, "SHOST" => shost, "SMAC" => @smac, "WAIT" => false}) #All routers on the local network segment
ping6("FF02::5", {"DMAC" => dmac, "SHOST" => shost, "SMAC" => @smac, "WAIT" => false}) #OSPFv3 AllSPF routers
ping6("FF02::6", {"DMAC" => dmac, "SHOST" => shost, "SMAC" => @smac, "WAIT" => false}) #OSPFv3 AllDR routers
ping6("FF02::9", {"DMAC" => dmac, "SHOST" => shost, "SMAC" => @smac, "WAIT" => false}) #RIP routers
ping6("FF02::a", {"DMAC" => dmac, "SHOST" => shost, "SMAC" => @smac, "WAIT" => false}) #EIGRP routers
ping6("FF02::d", {"DMAC" => dmac, "SHOST" => shost, "SMAC" => @smac, "WAIT" => false}) #PIM routers
ping6("FF02::16", {"DMAC" => dmac, "SHOST" => shost, "SMAC" => @smac, "WAIT" => false}) #MLDv2 reports (defined in RFC 3810)
ping6("ff02::1:2", {"DMAC" => dmac, "SHOST" => shost, "SMAC" => @smac, "WAIT" => false}) #All DHCP servers and relay agents on the local network site (defined in RFC 3315)
ping6("ff05::1:3", {"DMAC" => dmac, "SHOST" => shost, "SMAC" => @smac, "WAIT" => false}) #All DHCP servers on the local network site (defined in RFC 3315)
# Listen for host advertisments
print_status("Listening for responses...")
listen_for_ping_response()
# Close capture
close_pcap()
end
end