2018-01-03 14:43:27 -05:00

81 lines
2.0 KiB
Perl

#! c:\perl\bin\perl.exe
#-----------------------------------------------------------
# baseline.pl
#
# History
# 20130211 - Created
#
# copyright 2013 Quantum Analytics Research, LLC
# Author: H. Carvey, keydet89@yahoo.com
#-----------------------------------------------------------
package baseline;
use strict;
my %config = (hive => "All",
hasShortDescr => 1,
hasDescr => 0,
hasRefs => 0,
osmask => 22,
version => 20130211);
sub getConfig{return %config}
sub getShortDescr {
return "Scans a hive file, checking sizes of binary value data";
}
sub getDescr{}
sub getRefs {}
sub getHive {return $config{hive};}
sub getVersion {return $config{version};}
my $VERSION = getVersion();
my %vals;
my $count = 0;
my %data_len = ();
sub pluginmain {
my $class = shift;
my $file = shift;
my $reg = Parse::Win32Registry->new($file);
my $root_key = $reg->get_root_key;
::logMsg("Launching baseline v.".$VERSION);
::rptMsg("baseline v.".$VERSION); # banner
::rptMsg("(".$config{hive}.") ".getShortDescr()."\n"); # banner
traverse($root_key);
# Data structure containing findings is a hash of hashes
::rptMsg("Total values checked : ".$count);
# ::rptMsg("");
::rptMsg("Number of binary value lengths : ".scalar(keys %data_len));
my @len = sort {$a <=> $b} keys %data_len;
# ::rptMsg("Value 0: ".$len[0]);
::rptMsg("...");
my $n = scalar @len - 1;
for my $i (($n - 15)..$n) {
::rptMsg("Value ".$i.": ".$len[$i]." bytes [# times: ".$data_len{$len[$i]}."]");
}
}
sub traverse {
my $key = shift;
# my $ts = $key->get_timestamp();
foreach my $val ($key->get_list_of_values()) {
my $type = $val->get_type();
if ($type == 0 || $type == 3) {
$count++;
my $data = $val->get_data();
if (exists $data_len{length($data)}) {
$data_len{length($data)}++;
}
else {
$data_len{length($data)} = 1;
}
}
}
foreach my $subkey ($key->get_list_of_subkeys()) {
traverse($subkey);
}
}
1;