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

96 lines
2.5 KiB
Perl

#! c:\perl\bin\perl.exe
#-----------------------------------------------------------
# findexes.pl
# Plugin for RegRipper; traverses through a Registry hive,
# looking for values with binary data types, and checks to see
# if they start with "MZ"; if so, records the value path, key
# LastWrite time, and length of the data
#
# Change history
# 20090728 - Created
#
# copyright 2009 H. Carvey
#-----------------------------------------------------------
package findexes;
use strict;
my %config = (hive => "All",
hasShortDescr => 1,
hasDescr => 0,
hasRefs => 0,
osmask => 22,
version => 20090728);
sub getConfig{return %config}
sub getShortDescr {
return "Scans a hive file looking for binary value data that contains MZ";
}
sub getDescr{}
sub getRefs {}
sub getHive {return $config{hive};}
sub getVersion {return $config{version};}
my $VERSION = getVersion();
my %vals;
my $bin_count = 0;
my $exe_count = 0;
sub pluginmain {
my $class = shift;
my $file = shift;
my $reg = Parse::Win32Registry->new($file);
my $root_key = $reg->get_root_key;
::logMsg("Launching findexes v.".$VERSION);
::rptMsg("findexes v.".$VERSION); # banner
::rptMsg("(".getHive().") ".getShortDescr()."\n"); # banner
traverse($root_key);
# Data structure containing findings is a hash of hashes
foreach my $k (keys %vals) {
::rptMsg("Key: ".$k." LastWrite time: ".gmtime($vals{$k}{lastwrite}));
foreach my $i (keys %{$vals{$k}}) {
next if ($i eq "lastwrite");
::rptMsg(" Value: ".$i." Length: ".$vals{$k}{$i}." bytes");
}
::rptMsg("");
}
::rptMsg("Number of values w/ binary data types: ".$bin_count);
::rptMsg("Number of values w/ MZ in binary data: ".$exe_count);
}
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) {
$bin_count++;
my $data = $val->get_data();
# This code looks for data that starts with MZ
# my $i = unpack("v",substr($data,0,2));
# if ($i == 0x5a4d) {
if (grep(/MZ/,$data)) {
$exe_count++;
my $path;
my @p = split(/\\/,$key->get_path());
if (scalar(@p) == 1) {
$path = "root";
}
else {
shift(@p);
$path = join('\\',@p);
}
$vals{$path}{lastwrite} = $key->get_timestamp();
$vals{$path}{$val->get_name()} = length($data);
}
}
}
foreach my $subkey ($key->get_list_of_subkeys()) {
traverse($subkey);
}
}
1;