Well, I am sure wiser Monks will tell you much better ways of doing this, but if you can name it, say, Backup_Data.pm, and make it look like the following:

package Backup_Data;

our %hash_of_att_db
    = (
       '0x40e00600' => {
           'attack_type'   => 'backdoor',
           'attack_port'   => '',
           'attack_sig'    => 'lib/attackprolib/fice-2000.dmp',
           'attack_sig_v6' => 'lib/attackprolib/fice-2000.dmp',
       },
       '0x40e00500' => {
           'attack_type'   => 'backdoor',
           'attack_port'   => '',
           'attack_sig'    => 'lib/attackprolib/mpnewdump',
           'attack_sig_v6' => 'lib/attackprolib/6_bionet.dump',
       },
       );

1;
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(note the first line and the last) then, you could use the file as follows:

use strict;
use warnings;
use lib '/home/phemal'; # wherever Backup_Data.pm is
use Backup_Data;
use Data::Dumper;

print Dumper( \%Backup_Data::hash_of_att_db );
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That is to say, our %foo; declared in Backup_Data.pm should now be available to you as %Backup_Data::foo inside your program, which now uses strict. Hope this helps.