mirror of
https://github.com/hashcat/hashcat.git
synced 2024-11-27 02:18:21 +00:00
130 lines
2.8 KiB
Perl
130 lines
2.8 KiB
Perl
#!/usr/bin/env perl
|
|
|
|
##
|
|
## Author......: See docs/credits.txt
|
|
## License.....: MIT
|
|
##
|
|
|
|
use strict;
|
|
use warnings;
|
|
|
|
use Crypt::CBC;
|
|
use Digest::SHA qw (sha512);
|
|
use Encode;
|
|
|
|
sub module_constraints { [[0, 19], [32, 32], [-1, -1], [-1, -1], [-1, -1]] }
|
|
|
|
sub module_generate_hash
|
|
{
|
|
my $word = shift;
|
|
my $salt = shift;
|
|
my $iter = shift // 100000;
|
|
my $param = shift;
|
|
|
|
my $salt_bin = pack ("H*", $salt);
|
|
|
|
my $tmp = sha512 ($salt_bin . encode ("UTF-16LE", $word));
|
|
|
|
for (my $i = 0; $i < $iter; $i++)
|
|
{
|
|
my $num32 = pack ("L", $i);
|
|
|
|
$tmp = sha512 ($num32 . $tmp);
|
|
}
|
|
|
|
my $encryptedVerifierHashInputBlockKey = "\xfe\xa7\xd2\x76\x3b\x4b\x9e\x79";
|
|
my $encryptedVerifierHashValueBlockKey = "\xd7\xaa\x0f\x6d\x30\x61\x34\x4e";
|
|
|
|
my $final1 = sha512 ($tmp . $encryptedVerifierHashInputBlockKey);
|
|
my $final2 = sha512 ($tmp . $encryptedVerifierHashValueBlockKey);
|
|
|
|
my $key1 = substr ($final1, 0, 32);
|
|
my $key2 = substr ($final2, 0, 32);
|
|
|
|
my $cipher1 = Crypt::CBC->new ({
|
|
key => $key1,
|
|
cipher => "Crypt::Rijndael",
|
|
iv => $salt_bin,
|
|
literal_key => 1,
|
|
header => "none",
|
|
keysize => 32,
|
|
padding => "null",
|
|
});
|
|
|
|
my $cipher2 = Crypt::CBC->new ({
|
|
key => $key2,
|
|
cipher => "Crypt::Rijndael",
|
|
iv => $salt_bin,
|
|
literal_key => 1,
|
|
header => "none",
|
|
keysize => 32,
|
|
padding => "null",
|
|
});
|
|
|
|
my $encdata;
|
|
|
|
if (defined $param)
|
|
{
|
|
$encdata = $cipher1->decrypt (pack ("H*", $param));
|
|
}
|
|
else
|
|
{
|
|
$encdata = "A" x 16; ## can be anything
|
|
}
|
|
|
|
my $data1_buf = $encdata;
|
|
my $data2_buf = sha512 (substr ($data1_buf, 0, 16));
|
|
|
|
my $encrypted1 = unpack ("H*", $cipher1->encrypt ($data1_buf));
|
|
my $encrypted2 = unpack ("H*", $cipher2->encrypt ($data2_buf));
|
|
|
|
$encrypted2 = substr ($encrypted2, 0, 64);
|
|
|
|
my $hash = sprintf ("\$office\$*%d*%d*%d*%d*%s*%s*%s", 2013, $iter, 256, 16, $salt, $encrypted1, $encrypted2);
|
|
|
|
return $hash;
|
|
}
|
|
|
|
sub module_verify_hash
|
|
{
|
|
my $line = shift;
|
|
|
|
# Office 2013
|
|
my ($hash_in, $word) = split ":", $line;
|
|
|
|
return unless defined $hash_in;
|
|
return unless defined $word;
|
|
|
|
my @data = split /\*/, $hash_in;
|
|
|
|
return unless scalar @data == 8;
|
|
|
|
return unless (shift @data eq '$office$');
|
|
return unless (shift @data eq '2013');
|
|
|
|
my $iter = shift @data;
|
|
|
|
return unless (shift @data eq '256');
|
|
return unless (shift @data eq '16');
|
|
|
|
return unless (length $data[0] == 32);
|
|
return unless (length $data[1] == 32);
|
|
return unless (length $data[2] == 64);
|
|
|
|
my $salt = shift @data;
|
|
my $param = shift @data;
|
|
|
|
return unless defined $salt;
|
|
return unless defined $iter;
|
|
return unless defined $word;
|
|
return unless defined $param;
|
|
|
|
$word = pack_if_HEX_notation ($word);
|
|
|
|
my $new_hash = module_generate_hash ($word, $salt, $iter, $param);
|
|
|
|
return ($new_hash, $word);
|
|
}
|
|
|
|
1;
|