Mark McKinnon 78042da4c7 Update Changed plugins
Update Plugins that have changed from Autopsy's last version of Regripper.
2020-04-29 10:50:49 -04:00

154 lines
4.3 KiB
Perl

#! c:\perl\bin\perl.exe
#-----------------------------------------------------------
# del.pl
#
#
# Change history
# 20190506 - updated
# 20140807 - created
#
# References:
# https://metacpan.org/pod/Parse::Win32Registry
# https://github.com/msuhanov/regf/blob/master/Windows%20registry%20file%20format%20specification.md
#
#
# copyright 2019 QAR, LLC
# Author: H. Carvey
#-----------------------------------------------------------
package del;
use strict;
my %config = (hive => "All",
hasShortDescr => 1,
hasDescr => 0,
hasRefs => 0,
osmask => 22,
category => "deleted",
version => 20190506);
sub getConfig{return %config}
sub getShortDescr {
return "Parse hive, print deleted keys/values";
}
sub getDescr{}
sub getRefs {}
sub getHive {return $config{hive};}
sub getVersion {return $config{version};}
my $VERSION = getVersion();
my %data_types = (0 => "REG_NONE",
1 => "REG_SZ",
2 => "REG_EXPAND_SZ",
3 => "REG_BINARY",
4 => "REG_DWORD",
5 => "REG_DWORD_BIG_ENDIAN",
6 => "REG_LINK",
7 => "REG_MULTI_SZ",
8 => "REG_RESOURCE_LIST",
9 => "REG_FULL_RESOURCE_DESCRIPTOR",
10 => "REG_RESOURCE_REQUIREMENTS_LIST",
11 => "REG_QWORD");
my %regkeys;
sub pluginmain {
my $class = shift;
my $file = shift;
my $reg = Parse::Win32Registry->new($file);
::logMsg("Launching del v.".$VERSION);
::rptMsg("del v.".$VERSION); # banner
::rptMsg("(".getHive().") ".getShortDescr()."\n"); # banner
my $entry_iter = $reg->get_entry_iterator;
while (defined(my $entry = $entry_iter->get_next)) {
next if $entry->is_allocated;
# printf "0x%x ", $entry->get_offset;
# print $entry->unparsed()."\n";
my $data = $entry->get_raw_bytes();
my $len = length($data);
next if ($len <= 8);
::rptMsg("------------- Deleted Data ------------");
# Value node header is 20 bytes, w/o name string
# Key node header is 76 bytes, w/o name string
if ($len >= 20) {
my $cursor = 0;
while ($cursor < $len) {
if (unpack("v",substr($data,$cursor,2)) == 0x6b76) {
# ::rptMsg("Value node found at ".$cursor);
parseValueNode($data,$cursor);
$cursor += 0x12;
}
elsif (unpack("v",substr($data,$cursor,2)) == 0x6b6e) {
# ::rptMsg("Key node found at ".$cursor);
parseKeyNode($data,$cursor);
$cursor += 0x4a;
}
else {
$cursor++;
}
}
}
::rptMsg($entry->unparsed());
}
}
sub parseValueNode {
my $data = shift;
my $ofs = shift;
my $name_len = unpack("v",substr($data,$ofs + 0x02,2));
my $data_len = unpack("V",substr($data,$ofs + 0x04,4));
my $data_ofs = unpack("V",substr($data,$ofs + 0x08,4));
my $data_type = unpack("V",substr($data,$ofs + 0x0c,4));
my $data_flag = unpack("v",substr($data,$ofs + 0x10,2));
my $name;
if (($ofs + 0x14 + $name_len) <= length($data)) {
$name = substr($data,$ofs + 0x14,$name_len);
::rptMsg("Value Name: ".$name);
::rptMsg(sprintf "Data Length: 0x%x Data Offset: 0x%x Data Type: ".$data_types{$data_type},$data_len,$data_ofs);
}
}
sub parseKeyNode {
my $data = shift;
my $ofs = shift;
my $len = length($data);
if ($len > 75 && $ofs >= 4) {
my $size = unpack("i",substr($data,$ofs - 4,4));
$size = ($size * -1) if ($size < 0);
# ::rptMsg("Key node size = ".$size);
my $type = unpack("v",substr($data,$ofs + 0x02,2));
# ::rptMsg(sprintf "Node Type = 0x%x",$type);
my ($t1,$t2) = unpack("VV",substr($data,$ofs + 0x04,8));
my $lw = ::getTime($t1,$t2);
# ::rptMsg("Key LastWrite time = ".gmtime($lw)." UTC");
my $parent_ofs = unpack("V",substr($data,$ofs + 0x10,4));
my $sk = unpack("V",substr($data,$ofs + 0x14,4));
# ::rptMsg("Number of subkeys: ".$sk);
my $vals = unpack("V",substr($data,$ofs + 0x24,4));
# ::rptMsg("Number of values: ".$vals);
my $len_name = unpack("V",substr($data,$ofs + 0x48,4));
# print "Name Length: ".$len_name."\n";
my $name;
if (($ofs + 0x4c + $len_name) <= $len) {
$name = substr($data,$ofs + 0x4c,$len_name);
::rptMsg("Key name: ".$name);
}
::rptMsg("Key LastWrite time = ".gmtime($lw)." UTC");
::rptMsg(sprintf "Offset to parent: 0x%x",$parent_ofs);
}
}
1;