mirror of
https://github.com/overcuriousity/autopsy-flatpak.git
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204 lines
6.5 KiB
Perl
204 lines
6.5 KiB
Perl
#-----------------------------------------------------------
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# svc_tln.pl
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# Gets services information, only outputs alerts/warnings in TLN format
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# (regtime.pl gets the key LastWrite times; svc_tln.pl generates alerts
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# or warnings based on the values)
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#
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# Change history
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# 20130911 - updated IAW svc.pl
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# 20130509 - created, based on svc.pl
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#
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# Ref:
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# http://msdn.microsoft.com/en-us/library/aa394073(VS.85).aspx
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#
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# Analysis Tip: Several services keys have Parameters subkeys that point to
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# the ServiceDll value; During intrusions, a service key may be added to
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# the system's Registry; using this module, send the output to .csv format
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# and sort on column B to get the names to line up
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#
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# Note: some checks/alerts borrowed from E. Schweinsberg's svc_plus.pl
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# (bethlogic@gmail.com)
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#
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# copyright 2013 QAR, LLC
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# Author: H. Carvey, keydet89@yahoo.com
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#-----------------------------------------------------------
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package svc_tln;
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#use strict;
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my %config = (hive => "System",
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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 => 20130911);
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sub getConfig{return %config}
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sub getShortDescr {
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return "Lists Services key contents by LastWrite time (CSV)";
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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 %obj = ("nt authority\\localservice" => 1,
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"nt authority\\networkservice" => 1,
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"localsystem" => 1);
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my %types = (0x001 => "Kernel driver",
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0x002 => "File system driver",
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0x004 => "Adapter",
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0x010 => "Own_Process",
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0x020 => "Share_Process",
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0x100 => "Interactive",
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0x110 => "Own_Process",
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0x120 => "Share_Process");
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my %starts = (0x00 => "Boot Start",
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0x01 => "System Start",
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0x02 => "Auto Start",
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0x03 => "Manual",
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0x04 => "Disabled");
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my @alerts = ("recycle","globalroot","temp","system volume information","appdata",
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"application data");
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my $display = "";
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my $start = "";
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my $image = "";
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my $dll = "";
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my $object = "";
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my $para = "";
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sub pluginmain {
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my $class = shift;
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my $hive = shift;
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::logMsg("Launching svc_tln v.".$VERSION);
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# ::rptMsg("svc_tln v.".$VERSION); # banner
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# ::rptMsg("(".$config{hive}.") ".getShortDescr()."\n"); # 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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# First thing to do is get the ControlSet00x marked current...this is
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# going to be used over and over again in plugins that access the system
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# file
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my $current;
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my $key_path = 'Select';
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my $key;
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if ($key = $root_key->get_subkey($key_path)) {
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$current = $key->get_value("Current")->get_data();
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my $ccs = "ControlSet00".$current;
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my $s_path = $ccs."\\Services";
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my $svc;
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my %svcs;
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if ($svc = $root_key->get_subkey($s_path)) {
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# ::rptMsg($s_path);
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# ::rptMsg(getShortDescr());
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# ::rptMsg("");
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# Get all subkeys and sort based on LastWrite times
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my @subkeys = $svc->get_list_of_subkeys();
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if (scalar (@subkeys) > 0) {
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foreach my $s (@subkeys) {
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$name = $s->get_name();
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my $lw = $s->get_timestamp();
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eval {
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$display = $s->get_value("DisplayName")->get_data();
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# take commas out of the display name, replace w/ semi-colons
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$display =~ s/,/;/g;
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};
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$display = "" if ($@);
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eval {
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$t = $s->get_value("Type")->get_data();
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(exists $types{$t}) ? ($type = $types{$t}) : ($type = $t);
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};
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$type = "" if ($@);
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eval {
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$image = $s->get_value("ImagePath")->get_data();
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my $lcimage = $image;
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$lcimage =~ tr/[A-Z]/[a-z]/;
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if (($t == 0x01 || $t == 0x02) && ($lcimage ne "")) {
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::alertMsg($lw."|ALERT|||svc_tln: ".$name." Driver does not end in \.sys: ".$image) unless ($lcimage =~ m/\.sys$/);
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}
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$image = "" if ($@);
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foreach my $a (@alerts) {
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::alertMsg($lw."|ALERT|||svc_tln: ".$a." found in path: ".$image) if (grep(/$a/,$lcimage));
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}
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my @list = split(/\\/,$image);
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my $last = scalar(@list) - 1;
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::alertMsg($lw."|ALERT|||svc_tln: Poss. ADS in path: ".$image) if (grep(/:/,$list[$last]));
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};
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# if (($t == 0x01 || $t == 0x02) && ($image ne "")) {
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# my $lcimage = $image;
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# $lcimage =~ tr/[A-Z]/[a-z]/;
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# ::alertMsg($lw."|ALERT|||svc_tln: ".$name." Driver not in system32\\drivers folder: ".$image) unless (grep(/system32\\drivers/,$lcimage));
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# }
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# added 20130911
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# ref: http://technet.microsoft.com/en-us/library/cc742019.aspx
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eval {
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my $fa = $s->get_value("FailureAction")->get_data();
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::alertMsg($lw."|ALERT|||svc_tln: Service ".$name." has FailureAction value: ".$fa);
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};
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eval {
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my $st = $s->get_value("Start")->get_data();
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(exists $starts{$st}) ? ($start = $starts{$st}) : ($start = $st);
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};
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$start = "" if ($@);
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eval {
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$object = $s->get_value("ObjectName")->get_data();
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my $lcobj = $object;
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$lcobj =~ tr/[A-Z]/[a-z]/;
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::alertMsg($lw."|ALERT|||svc_tln: ".$name." Unknown ObjectName: ".$object) unless (exists $obj{$lcobj});
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::alertMsg($lw."|ALERT|||svc_tln: ".$name." Driver with ObjectName: ".$object) if (($type == 0x01 || $type == 0x02) && ($object ne ""));
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};
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my $str = $name."\|".$display."\|".$image."\|".$type."\|".$start."\|".$object;
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push(@{$svcs{$s->get_timestamp()}},$str) unless ($str eq "");
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# Get ServiceDll value if there is one
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eval {
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$para = $s->get_subkey("Parameters");
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$dll = $para->get_value("ServiceDll")->get_data();
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my $lcdll = $dll;
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$lcdll =~ tr/[A-Z]/[a-z]/;
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::alertMsg($p_lw."|ALERT|||svc_tln: ".$name." ServiceDll does not end in \.dll\.") unless ($lcdll =~ m/\.dll$/);
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foreach my $a (@alerts) {
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my $lcdll = $dll;
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$lcdll =~ tr/[A-Z]/[a-z]/;
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::alertMsg($lw."|ALERT|||svc_tln: ".$a." found in path: ".$dll) if (grep(/$a/,$lcdll));
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}
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my @list = split(/\\/,$dll);
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my $last = scalar(@list) - 1;
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::alertMsg($lw."|ALERT|||svc_tln: Poss. ADS in path: ".$dll) if (grep(/:/,$list[$last]));
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my $str = $name."\\Parameters\|\|".$dll."\|\|\|";
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push(@{$svcs{$para->get_timestamp()}},$str);
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};
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}
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}
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else {
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::rptMsg($s_path." has no subkeys.");
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}
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}
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else {
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::rptMsg($s_path." not found.");
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}
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}
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else {
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::rptMsg($key_path." not found.");
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}
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}
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1; |