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Merge branch 'Rhig-master'
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@royhills
royhills committed Aug 22, 2016
2 parents c953ec8 + efc5b56 commit 4a4a6ec
Showing 1 changed file with 63 additions and 29 deletions.
92 changes: 63 additions & 29 deletions arp-fingerprint
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Original file line number Diff line number Diff line change
Expand Up @@ -33,6 +33,8 @@ use warnings;
use strict;
use Getopt::Std;
#
sub get_localnet($);
#
my $arpscan="arp-scan -q -r 1";
#
# Hash of known fingerprints
Expand Down Expand Up @@ -77,7 +79,7 @@ my $arpscan="arp-scan -q -r 1";
# Cisco IOS IOS 12.3(15) on Cisco 2503
# Cisco IOS IOS 12.4(3) on Cisco 2811
# Cisco IOS IOS 12.4(24)T1 on Cisco 1841
# Cisco IOS IOS 15.0(1)M on Cisco 7206 (dynamips)
# Cisco IOS IOS 15.0(1)M on Cisco 7206 (dynamips)
# Solaris 2.5.1 Solaris 2.5.1 (SPARC) on Sun SPARCstation 20
# Solaris 2.6 Solaris 2.6 (SPARC) on Sun Ultra 5
# Solaris 7 Solaris 7 (x86) on VMware
Expand Down Expand Up @@ -158,7 +160,7 @@ my %fp_hash = (
'11110100011' => 'MacOS 10.3, FreeBSD 4.3, IRIX 6.5, AIX 4.3, AIX 5.3',
'10010100011' => 'SCO OS 5.0.7',
'10110100000' => 'Win 3.11, 95, NT 3.51',
'11110000011' => '2.11BSD, 4.3BSD, OpenBSD 3.1, 3.9, 4.8, 5.1, Nortel Contivity 6.00, 6.05, RiscOS 5.19',
'11110000011' => '2.11BSD, 4.3BSD, OpenBSD 3.1, OpenBSD 3.9, 4.8, 5.1, Nortel Contivity 6.00, 6.05, RiscOS 5.19',
'10110110000' => 'NetBSD 2.0.2, 4.0, 5.1',
'10110111111' => 'PIX OS 4.4, 5.1, 5.2, 5.3, Android 4.1',
'11110111111' => 'PIX OS 6.0, 6.1, 6.2, ScreenOS 5.0 (transparent), Plan9, Blackberry OS',
Expand All @@ -179,16 +181,19 @@ Fingerprint the target system using arp-scan.
-h Display this usage message.
-v Give verbose progress messages.
-o <option-string> Pass specified options to arp-scan
-l Fingerprint all targets in the local net.
/;
my %opts;
my $user_opts="";
my $verbose;
my $fingerprint="";
my $fp_name;
my @targets;
my $target;
#
# Process options
#
die "$usage\n" unless getopts('hvo:',\%opts);
die "$usage\n" unless getopts('hlvo:',\%opts);
if ($opts{h}) {
print "$usage\n";
exit(0);
Expand All @@ -197,55 +202,65 @@ $verbose=$opts{v} ? 1 : 0;
if ($opts{o}) {
$user_opts = $opts{o};
}
#
if ($#ARGV != 0) {

#If we're working in localnet mode, we don't need arguments
if ($#ARGV != 0 && !$opts{l}) {
die "$usage\n";
}
my $target=shift;

if ($opts{l}) {
@targets=get_localnet($user_opts);
} else {
@targets=@ARGV;
}

for $target (@targets) {
$fingerprint="";
#
# Check that the target is not an IP range or network.
#
if ($target =~ /\d+\.\d+\.\d+\.\d+-\d+\.\d+\.\d+\.\d+/ ||
$target =~ /\d+\.\d+\.\d+\.\d+\/\d+/ ||
$target =~ /\d+\.\d+\.\d+\.\d+:\d+\.\d+\.\d+\.\d+/) {
die "argument must be a single IP address or hostname\n";
}
if ($target =~ /\d+\.\d+\.\d+\.\d+-\d+\.\d+\.\d+\.\d+/ ||
$target =~ /\d+\.\d+\.\d+\.\d+\/\d+/ ||
$target =~ /\d+\.\d+\.\d+\.\d+:\d+\.\d+\.\d+\.\d+/) {
die "argument must be a single IP address or hostname\n";
}
#
# Check that the system responds to an arp-scan with no options.
# If it does, then fingerprint the target.
#
if (&fp("","$target") eq "1") {
if (&fp("","$target") eq "1") {
# 1: source protocol address = localhost
$fingerprint .= &fp("--arpspa=127.0.0.1","$target");
$fingerprint .= &fp("--arpspa=127.0.0.1","$target");
# 2: source protocol address = zero
$fingerprint .= &fp("--arpspa=0.0.0.0","$target");
$fingerprint .= &fp("--arpspa=0.0.0.0","$target");
# 3: source protocol address = broadcast
$fingerprint .= &fp("--arpspa=255.255.255.255","$target");
$fingerprint .= &fp("--arpspa=255.255.255.255","$target");
# 4: source protocol address = non local (network 1 is reserved)
$fingerprint .= &fp("--arpspa=1.0.0.1","$target"); # Non-local source IP
$fingerprint .= &fp("--arpspa=1.0.0.1","$target"); # Non-local source IP
# 5: invalid arp opcode
$fingerprint .= &fp("--arpop=255","$target");
$fingerprint .= &fp("--arpop=255","$target");
# 6: arp hardware type = IEEE_802.2
$fingerprint .= &fp("--arphrd=6","$target");
$fingerprint .= &fp("--arphrd=6","$target");
# 7: invalid arp hardware type
$fingerprint .= &fp("--arphrd=255","$target");
$fingerprint .= &fp("--arphrd=255","$target");
# 8: invalid arp protocol type
$fingerprint .= &fp("--arppro=0xffff","$target");
$fingerprint .= &fp("--arppro=0xffff","$target");
# 9: arp protocol type = Novell IPX
$fingerprint .= &fp("--arppro=0x8137","$target");
$fingerprint .= &fp("--arppro=0x8137","$target");
# 10: invalid protocol address length
$fingerprint .= &fp("--arppln=6","$target");
$fingerprint .= &fp("--arppln=6","$target");
# 11: Invalid hardware address length
$fingerprint .= &fp("--arphln=8","$target");
$fingerprint .= &fp("--arphln=8","$target");
#
if (defined $fp_hash{$fingerprint}) {
$fp_name = "$fp_hash{$fingerprint}";
if (defined $fp_hash{$fingerprint}) {
$fp_name = "$fp_hash{$fingerprint}";
} else {
$fp_name = "UNKNOWN";
}
print "$target\t$fingerprint\t$fp_name\n";
} else {
$fp_name = "UNKNOWN";
print "$target\tNo Response\n";
}
print "$target\t$fingerprint\t$fp_name\n";
} else {
print "$target\tNo Response\n";
}
#
# Scan the specified IP address with arp-scan using the given options.
Expand Down Expand Up @@ -276,3 +291,22 @@ sub fp ($$) {

return $response;
}

#
# use -l flag on arp-scan to collect all IPs in the local network
#
sub get_localnet($) {
my $user_opts = $_[0];
my @targets;

open(ARPSCAN, "$arpscan $user_opts -l |") || die "arp-scan failed";
while (<ARPSCAN>) {
if (/^([0-9]+\.[0-9]+\.[0-9]+\.[0-9]+)\t/) {
push @targets, $1;
}
}
close(ARPSCAN);

die "parse of arp-scan failed" unless @targets;
return @targets;
}

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