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https://github.com/overcuriousity/autopsy-flatpak.git
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118 lines
3.4 KiB
Perl
118 lines
3.4 KiB
Perl
#-----------------------------------------------------------
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# shellexec
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# Get ShellExecuteHooks values from Software hive (based on BHO
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# code)
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#
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# ShellExecuteHooks are DLLs that load as part of the Explorer.exe process,
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# and can intercept commands. There are some legitimate applications that
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# run as ShellExecuteHooks, but many times, malware (spy-, ad-ware) will
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# install here. ShellExecuteHooks allow you to type a URL into the Start->Run
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# box and have that URL opened in your browser. For example, in 2001, Michael
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# Dunn wrote KBLaunch, a ShellExecuteHook that looked for "?q" in the Run box
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# and would open the appropriate MS KB article.
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#
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# Refs:
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# http://support.microsoft.com/kb/914922
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# http://support.microsoft.com/kb/170918
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# http://support.microsoft.com/kb/943460
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#
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# History:
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# 20081229 - initial creation
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#
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# copyright 2008 H. Carvey, keydet89@yahoo.com
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#-----------------------------------------------------------
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package shellexec;
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use strict;
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my %config = (hive => "Software",
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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 => 20081229);
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sub getConfig{return %config}
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sub getShortDescr {
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return "Gets ShellExecuteHooks from Software hive";
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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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sub pluginmain {
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my $class = shift;
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my $hive = shift;
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my %bhos;
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::logMsg("Launching shellexec v.".$VERSION);
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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 $key_path = "Microsoft\\Windows\\CurrentVersion\\Explorer\\ShellExecuteHooks";;
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my $key;
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if ($key = $root_key->get_subkey($key_path)) {
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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 @vals = $key->get_list_of_values();
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if (scalar (@vals) > 0) {
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foreach my $s (@vals) {
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my $name = $s->get_name();
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next if ($name =~ m/^-/ || $name eq "");
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my $clsid_path = "Classes\\CLSID\\".$name;
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my $clsid;
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if ($clsid = $root_key->get_subkey($clsid_path)) {
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my $class;
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my $mod;
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my $lastwrite;
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eval {
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$class = $clsid->get_value("")->get_data();
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$bhos{$name}{class} = $class;
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};
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if ($@) {
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::logMsg("\tError getting Class name for CLSID\\".$name);
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::logMsg("\t".$@);
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}
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eval {
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$mod = $clsid->get_subkey("InProcServer32")->get_value("")->get_data();
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$bhos{$name}{module} = $mod;
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};
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if ($@) {
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::logMsg("\tError getting Module name for CLSID\\".$name);
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::logMsg("\t".$@);
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}
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eval{
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$lastwrite = $clsid->get_subkey("InProcServer32")->get_timestamp();
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$bhos{$name}{lastwrite} = $lastwrite;
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};
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if ($@) {
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::logMsg("\tError getting LastWrite time for CLSID\\".$name);
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::logMsg("\t".$@);
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}
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foreach my $b (keys %bhos) {
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::rptMsg($b);
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::rptMsg("\tClass => ".$bhos{$b}{class});
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::rptMsg("\tModule => ".$bhos{$b}{module});
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::rptMsg("\tLastWrite => ".gmtime($bhos{$b}{lastwrite}));
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::rptMsg("");
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}
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}
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else {
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::rptMsg($clsid_path." not found.");
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::rptMsg("");
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::logMsg($clsid_path." not found.");
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}
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}
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}
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else {
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::rptMsg($key_path." has no values. No ShellExecuteHooks installed.");
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}
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}
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else {
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::rptMsg($key_path." not found.");
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}
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}
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1; |