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96 lines
2.5 KiB
Perl
96 lines
2.5 KiB
Perl
#! c:\perl\bin\perl.exe
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#-----------------------------------------------------------
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# findexes.pl
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# Plugin for RegRipper; traverses through a Registry hive,
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# looking for values with binary data types, and checks to see
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# if they start with "MZ"; if so, records the value path, key
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# LastWrite time, and length of the data
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#
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# Change history
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# 20090728 - Created
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#
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# copyright 2009 H. Carvey
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#-----------------------------------------------------------
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package findexes;
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use strict;
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my %config = (hive => "All",
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hasShortDescr => 1,
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hasDescr => 0,
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hasRefs => 0,
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osmask => 22,
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version => 20090728);
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sub getConfig{return %config}
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sub getShortDescr {
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return "Scans a hive file looking for binary value data that contains MZ";
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}
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sub getDescr{}
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sub getRefs {}
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sub getHive {return $config{hive};}
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sub getVersion {return $config{version};}
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my $VERSION = getVersion();
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my %vals;
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my $bin_count = 0;
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my $exe_count = 0;
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sub pluginmain {
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my $class = shift;
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my $file = shift;
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my $reg = Parse::Win32Registry->new($file);
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my $root_key = $reg->get_root_key;
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::logMsg("Launching findexes v.".$VERSION);
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::rptMsg("findexes v.".$VERSION); # banner
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::rptMsg("(".getHive().") ".getShortDescr()."\n"); # banner
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traverse($root_key);
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# Data structure containing findings is a hash of hashes
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foreach my $k (keys %vals) {
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::rptMsg("Key: ".$k." LastWrite time: ".gmtime($vals{$k}{lastwrite}));
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foreach my $i (keys %{$vals{$k}}) {
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next if ($i eq "lastwrite");
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::rptMsg(" Value: ".$i." Length: ".$vals{$k}{$i}." bytes");
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}
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::rptMsg("");
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}
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::rptMsg("Number of values w/ binary data types: ".$bin_count);
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::rptMsg("Number of values w/ MZ in binary data: ".$exe_count);
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}
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sub traverse {
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my $key = shift;
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# my $ts = $key->get_timestamp();
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foreach my $val ($key->get_list_of_values()) {
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my $type = $val->get_type();
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if ($type == 0 || $type == 3) {
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$bin_count++;
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my $data = $val->get_data();
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# This code looks for data that starts with MZ
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# my $i = unpack("v",substr($data,0,2));
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# if ($i == 0x5a4d) {
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if (grep(/MZ/,$data)) {
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$exe_count++;
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my $path;
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my @p = split(/\\/,$key->get_path());
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if (scalar(@p) == 1) {
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$path = "root";
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}
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else {
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shift(@p);
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$path = join('\\',@p);
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}
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$vals{$path}{lastwrite} = $key->get_timestamp();
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$vals{$path}{$val->get_name()} = length($data);
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}
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}
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}
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foreach my $subkey ($key->get_list_of_subkeys()) {
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traverse($subkey);
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}
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}
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1; |