mirror of
https://github.com/overcuriousity/autopsy-flatpak.git
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146 lines
4.4 KiB
Perl
146 lines
4.4 KiB
Perl
#-----------------------------------------------------------
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# installedcomp.pl
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# Get info about Installed Components
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#
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# Change history:
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# 20130911 - updated to check for other than .DLL in StubPath entries
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# 20130905 - updated output format to be more searchable, added key names
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# 20130410 - added Wow6432Node support
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# 20100116 - updated for slightly better coverage
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# 20100115 - created
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#
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# References:
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# http://www.microsoft.com/security/portal/threat/encyclopedia/entry.aspx?Name=Backdoor%3AWin32%2FBifrose.ACI#tab=2
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#
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#
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# Notes: Look for unusual entries, particularly those that point to the Recycle
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# Bin, a temp folder, or to a .cpl file
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#
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# copyright 2013 Quantum Analytics Research, LLC
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# Author: H. Carvey, 2013
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#-----------------------------------------------------------
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package installedcomp;
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use strict;
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my %config = (hive => "Software",
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category => "malware",
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osmask => 22,
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hasShortDescr => 1,
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hasDescr => 0,
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hasRefs => 0,
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version => 20130911);
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sub getConfig{return %config}
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sub getShortDescr {
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return "Get info about Installed Components and StubPath values";
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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 %comp;
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sub pluginmain {
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my $class = shift;
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my $hive = shift;
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::logMsg("Launching installedcomp v.".$VERSION);
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::rptMsg("installedcomp v.".$VERSION); # banner
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::rptMsg("(".getHive().") ".getShortDescr()); # banner
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my $reg = Parse::Win32Registry->new($hive);
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my $root_key = $reg->get_root_key;
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my @paths = ("Microsoft\\Active Setup\\Installed Components",
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"Wow6432Node\\Microsoft\\Active Setup\\Installed Components");
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foreach my $key_path (@paths) {
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my $key;
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if ($key = $root_key->get_subkey($key_path)) {
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::rptMsg("");
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::rptMsg($key_path);
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::rptMsg("LastWrite Time ".gmtime($key->get_timestamp())." (UTC)");
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::rptMsg("");
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my @subkeys = $key->get_list_of_subkeys();
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if (scalar(@subkeys) > 0) {
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foreach my $s (@subkeys) {
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my $lastwrite = $s->get_timestamp();
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my $str = $s->get_name().",";
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eval {
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my $id = $s->get_value("ComponentID")->get_data();
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$str .= $id.",";
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};
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eval {
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my $ver = $s->get_value("Version")->get_data();
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$str .= " v.".$ver if ($ver && $s->get_value("Version")->get_type() == 1);
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};
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eval {
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my $stub = $s->get_value("StubPath")->get_data();
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$str .= ", ".$stub if ($stub ne "");
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# added 20130911 - malware can use the Installed Components
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my $lcstub = $stub;
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$lcstub =~ tr/[A-Z]/[a-z]/;
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if (grep(/rundll32/,$lcstub)) {
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my $l = (split(/,/,$lcstub,2))[0];
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my $r = (split(/\s/,$l,2))[1];
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$r =~ s/\"//g;
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if ($r =~ m/\.dll$/) {
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# ::rptMsg($key_path."\\".$s->get_name()." StubPath value ends in \.dll");
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}
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else {
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::alertMsg($key_path."\\".$s->get_name()." StubPath value DOES NOT point to \.dll: ".$stub);
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}
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}
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};
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# If the $str scalar is empty at this point, that means that for
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# some reason, we haven't been able to populate the information
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# we're looking for; in this case, we'll go looking for some info
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# in a different area of the hive; the BHO.pl plugin does this, as
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# well. I'd rather that the plugin look for the Classes info than
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# leave a blank entry in the output.
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if ($str eq "") {
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my $name = $s->get_name();
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my $class_path = "Classes\\CLSID\\".$name;
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my $proc;
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if ($proc = $root_key->get_subkey($class_path)) {
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# Try these two eval{} statements because I've seen the different
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# spellings for InProcServer32/InprocServer32 in sequential keys
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eval {
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$str = $proc->get_subkey("InprocServer32")->get_value("")->get_data();
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};
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eval {
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$str = $proc->get_subkey("InProcServer32")->get_value("")->get_data();
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};
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}
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else {
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$str = $name." class not found.";
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}
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}
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push(@{$comp{$lastwrite}},$str);
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}
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foreach my $t (reverse sort {$a <=> $b} keys %comp) {
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# ::rptMsg(gmtime($t)." (UTC)");
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foreach my $item (@{$comp{$t}}) {
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::rptMsg(gmtime($t)." (UTC),".$item);
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}
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}
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}
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else {
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::rptMsg($key_path." has no subkeys.");
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}
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}
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else {
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::rptMsg($key_path." not found.");
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}
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}
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}
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1; |