2018-01-03 14:43:27 -05:00

86 lines
2.7 KiB
Perl

#-----------------------------------------------------------
# attachmgr.pl
# The Windows Attachment Manager manages how attachments are handled,
# and settings are on a per-user basis. Malware has been shown to access
# these settings and make modifications.
#
# Category: Malware
#
# Change history
# 20130425 - added alertMsg() functionality
# 20130117 - created
#
# References
# http://journeyintoir.blogspot.com/2010/10/anatomy-of-drive-by-part-2.html
# http://support.microsoft.com/kb/883260
# http://blog.handlerdiaries.com/?p=703
#
# copyright 2013 Quantum Analytics Research, LLC
# Author: H. Carvey, keydet89@yahoo.com
#-----------------------------------------------------------
package attachmgr;
use strict;
my %config = (hive => "NTUSER\.DAT",
hasShortDescr => 1,
hasDescr => 0,
hasRefs => 0,
osmask => 22,
version => 20130425);
sub getConfig{return %config}
sub getShortDescr {
return "Checks user's keys that manage the Attachment Manager functionality";
}
sub getDescr{}
sub getRefs {}
sub getHive {return $config{hive};}
sub getVersion {return $config{version};}
my $VERSION = getVersion();
sub pluginmain {
my $class = shift;
my $ntuser = shift;
my @temps;
::logMsg("Launching attachmgr v.".$VERSION);
::rptMsg("attachmgr v.".$VERSION); # banner
::rptMsg("(".$config{hive}.") ".getShortDescr()."\n"); # banner
my $reg = Parse::Win32Registry->new($ntuser);
my $root_key = $reg->get_root_key;
my @attach = ('Software\\Microsoft\\Windows\\CurrentVersion\\Policies\\Associations',
'Software\\Microsoft\\Windows\\CurrentVersion\\Policies\\Attachments');
foreach my $key_path (@attach) {
my $key;
if ($key = $root_key->get_subkey($key_path)) {
::rptMsg($key_path);
::rptMsg("LastWrite Time ".gmtime($key->get_timestamp())." (UTC)");
my @vals = $key->get_list_of_values();
if (scalar(@vals) > 0) {
foreach my $v (@vals) {
my $name = $v->get_name();
my $data = $v->get_data();
# checks added 20130425
# settings information derived from MS KB 883260
::alertMsg("ALERT: attachmgr: ".$key_path." SaveZoneInformation value found: ".$data) if ($name eq "SaveZoneInformation");
::alertMsg("ALERT: attachmgr: ".$key_path." ScanWithAntiVirus value found: ".$data) if ($name eq "ScanWithAntiVirus");
::alertMsg("ALERT: attachmgr: ".$key_path." LowRiskFileTypes value includes exe: ".$data) if ($name eq "LowRiskFileTypes" && grep(/exe/,$data));
::rptMsg(sprintf "%-15s %-6s",$name,$data);
}
}
else {
::rptMsg($key_path." has no values.");
}
}
else {
::rptMsg($key_path." not found.");
}
::rptMsg("");
}
}
1;