Win32
Introduction to Perl & WMI

WMI?
• What Means It?
• Who Made It?
• What Makes It tick?
• Where Might I use it for?

Who Made It?
• Set of Standards created by DMTF
(Desktop Management Task Force Distributed Management Task Force)

What Means It?
• Set of Standards created by DMTF
(Desktop Management Task Force Distributed Management Task Force)
Consisting of:
DMI (Desktop Management Interface)
WBEM (Web-Based Entreprise Management)
CIM (Common Interface Model)
Bundled together known as Windows Meta Instrumentation.

What Makes It tick? (1)
Namespace(s)
Provider Provider
Class(es) Class(es) Class(es)

What Makes It tick? (2)
Namespace(s)
Provider Provider
Class(es) Class(es) Class(es)
WMI Layer
COM-API, SCRIPTING API
OS Layer

What Makes It tick? (3)
Namespace(s)
Provider Provider
Class(es) Class(es) Class(es)
WMI Layer
COM-API, SCRIPTING API
OS Layer
WMI Classes, Objects & Properties
COM-API, SCRIPTING-API, ...
OS Specific Binaries, Registry, WBEM MIF & MOF Files, ...
NT4 W2K W2K3 W2K8 XP Vista ...

Where Might I use it for?
A Quick & \"Uniform\"
Development Interface
Reporting Interface
Device Management Interface

Wow My…It even has a Wizard ;-)
\"Scriptomatic\"
• \"A completely new version of the famous Scriptomatic, the utility that
writes WMI scripts for you.
(And, in the process, teaches you the fundamental concepts behind
writing WMI scripts for yourself.)
• Unlike its predecessor, Scriptomatic 2.0 isn’t limited to writing just
VBScript scripts; instead, Scriptomatic 2.0 can write scripts in Perl,
Python, or JScript as well.
• In addition, Scriptomatic 2.0 gives you a host of new output formats to
use when running scripts, including saving data as plain-text, as a
stand-alone Web page, or even as XML. Scriptomatic 2.0 handles arrays,
it converts dates to a more readable format, and it works with all the
WMI classes on your computer; on top of all that, it also writes scripts
that can be run against multiple machines.“*
*Quote Microsoft Download Center
Download: http://www.microsoft.com/downloads/details.aspx?FamilyID=09dfc342-648b-4119-
b7eb-783b0f7d1178&DisplayLang=en

Example Perl WMI Query
1. use strict;
2. use Win32::OLE('in');
3. use constant wbemFlagReturnImmediately => 0x10;
4. use constant wbemFlagForwardOnly => 0x20;
5. my @computers = (\".\");
6. foreach my $computer (@computers) {
7. my $objWMI = Win32::OLE->GetObject(\"winmgmts:\\\\\\\\$computer\\\\root\\\\CIMV2\")
or die \"WMI connection failed.\\n\";
8. my $colItems = $objWMI->ExecQuery(\"SELECT * FROM Win32_NetworkAdapter\", \"WQL\",
9. wbemFlagReturnImmediately | wbemFlagForwardOnly);
10. foreach my $objItem (in $colItems) {
11. print (\"TimeOfLastReset: \"
12. .UTCDate($objItem->{TimeOfLastReset}).\"\\n\");
13. print \"TimeOfLastReset: $objItem->{TimeOfLastReset}\\n\";
14. print \"\\n\";
15. }
16. }
17. sub UTCDate(){
18. my $WmiDate = qr/(\\d{4})(\\d{2})(\\d{2})(\\d{2})(\\d{2})
19. (\\d{2})\\.(\\d{6})([\\+\\-])(.*)$
20. /ox;
21. $_[0] =~ s/$WmiDate/$1 $2 $3 $4h $5m $6s (UTC$8$9m)/;
22. return $_[0];
23. }
24. #TimeOfLastReset: 20071027003940.826905+120
25. #TimeOfLastReset: 2007 10 27 00h 39m 40s (UTC+120m)

Connecting Perl to WMI (1)
• Moniker
1. use Win32::OLE('in');
2. use strict;
3. $strComputer = '.';
4. $objWMI = Win32::OLE->GetObject('winmgmts:\\\\\\\\' . $strComputer .
'\\\\root\\\\cimv2');
Constructing a Moniker String: http://msdn2.microsoft.com/en-us/library/aa389292.aspx

Connecting Perl to WMI (2)
• SWBEM Locator
1. use Win32::OLE('in');
2. use strict;
3. my $objWMILocator = Win32::OLE->CreateObject(\"WbemScripting.SWbemLocator\");
4. $objWMILocator->Security_->{AuthenticationLevel} = 6;
5. my $objWMIComputer = $objWMILocator->ConnectServer($strComputer, \"root\\\\cimv2\",
$strLocalUser, $strLocalPasswd);
Connecting to WMI on a Remote Computer: http://msdn2.microsoft.com/en-us/library/aa389290.aspx

WQL (SQL for WMI)
AND NOT
ASSOCIATORS OF NULL
FALSE OR
FROM REFERENCES OF
GROUP Clause SELECT
HAVING TRUE
IS WHERE
ISA WITHIN
KEYSONLY __CLASS
LIKE
WQL (SQL for WMI): http://msdn2.microsoft.com/en-us/library/aa394606.aspx

WQL - ExecQuery
1. my $objWMI = Win32::OLE->GetObject(\"winmgmts:\\\\\\\\$computer\\\\root\\\\CIMV2\")
or die \"WMI connection failed.\\n\";
2. my $colItems = $objWMI->ExecQuery(\"SELECT * FROM Win32_NetworkAdapter“,
\"WQL\", wbemFlagReturnImmediately | wbemFlagForwardOnly);
3. foreach my $objItem (in $colItems) {
4. print ( \"TimeOfLastReset: \"
5. . UTCDate($objItem->{TimeOfLastReset}).\"\\n\");
6. print \"TimeOfLastReset: $objItem->{TimeOfLastReset} \\n\\n\";
7. }
Calling a Method: http://msdn2.microsoft.com/en-us/library/aa384832.aspx
WbemFlagEnum: http://msdn2.microsoft.com/en-us/library/Aa393980.aspx

Example Perl WQL ‘Associators Of’
1. use win32::ole;
2. use strict;
3. my $objWMI = Win32::OLE->GetObject('winmgmts:\\\\\\\\.\\\\root\\\\cimv2')
or die \"WMI connection failed.\\n\";
4. my $colNAs = $objWMI->ExecQuery( 'select * ' . ' from Win32_NetworkAdapter' );
5. foreach my $objNA( in $colNAs) {
6. my $colSubNAConfig =
7. $objWMI->ExecQuery( 'ASSOCIATORS OF {Win32_NetworkAdapter.DeviceID=\\''
8. . $objNA->DeviceID . '\\'} '
9. . ' WHERE resultClass = '
10. . ' win32_NetworkAdapterConfiguration' );
11. foreach my $objNAConfig ( in $colSubNAConfig ) {
12. if ( $objNAConfig->DHCPEnabled == 1 ) {
13. my $intReturnCode = $objNAConfig->RenewDHCPLease();
14. if ( $intReturnCode == 0 ) {
15. print \"Renewed IP Configuration for \".$objNA->Name ;
16. }
17. elsif ( $intReturnCode == 1 ) {
18. print \"You must reboot to renew the IP Configuration for \"
19. .$objNA->Name ;
20. }
21. }
22. }
23. }

WMI UTC Date/Time (1)
Based on the CIM datetime/interval format
Formatting: yyyymmddHHMMSS.mmmmmmsUUU or yyyy-mm-dd HH:MM:SS:mmm
1. foreach my $objItem (in $colItems) {
2. print (\"TimeOfLastReset: \"
.UTCDate($objItem->{TimeOfLastReset})
3.
4. .\"\\n\");
5. print \"TimeOfLastReset: $objItem->{TimeOfLastReset}\\n\";
6. print \"\\n\";
7. }
8. }
9. #TimeOfLastReset: 20071027003940.826905+120
10. #TimeOfLastReset: 2007 10 27 00h 39m 40s (UTC+120m)

WMI UTC Date/Time (2)
Based on the CIM datetime/interval format
Formatting: yyyymmddHHMMSS.mmmmmmsUUU or yyyy-mm-dd HH:MM:SS:mmm
1. sub UTCDate(){
2. my $WMIDate = $_[0];
3. $WMIDate =~ s/[^0-9\\-\\+]//gis;
4. my $WmiDateRaw = qr/(\\d{4})(\\d{2})(\\d{2})
5. (\\d{2})(\\d{2})(\\d{2})
6. (\\d{6})([\\+\\-])(.*)$
7. /ox;
8. my $WmiDateFormatted = qr/(\\d{4})\\-?(\\d{2})\\-?(\\d{2})
9. (\\d{2})(\\d{2})(\\d{2})
10. (\\d{3})$
11. /ox;
12. if ($WMIDate =~ s/$WmiDateRaw/$1 $2 $3 $4h $5m $6s (UTC$8$9m)/){
13. return $WMIDate;
14. };
15. if ($WMIDate =~ s/$WmiDateFormatted/$1 $2 $3 $4h $5m $6s/){
16. return $WMIDate;
17. };
18. }
19. #TimeOfLastReset: 20071027003940.826905+120
20. #TimeOfLastReset: 2007 10 27 00h 39m 40s (UTC+120m)

WMI Practical: ‘Route Print’
1. use strict;
2. use Win32::OLE('in');
3. use constant wbemFlagReturnImmediately => 0x10;
4. use constant wbemFlagForwardOnly => 0x20;
5. my $objWMIService = Win32::OLE->GetObject(\"winmgmts:\\\\\\\\localhost\\\\root\\\\CIMV2\")
6. or die \"WMI connection failed.\\n\";
7. my $colItems = $objWMIService->ExecQuery(\"SELECT * FROM Win32_IP4RouteTable\",
\"WQL\",
wbemFlagReturnImmediately | wbemFlagForwardOnly);
8. if (Win32::GetLastError()){
9. # Do Error Handling.
10. };
11. print \"Destination\\t\".\"InterfaceIndex\\t\".\"Mask:\\t\".\"Metric1:\\t\".
\"Name:\\t\".\"NextHop:\\t\".\"Type:\\t\".\"Protocol:\\n\";
12. print ‘-’ x 78;
13. foreach my $objItem ( in $colItems) {
14. print \"$objItem->{Destination}\\t\";
15. print sprintf \"0x%x\", $objItem->{InterfaceIndex}.\"\\t\";
16. print \"$objItem->{Mask}\\t“.\"$objItem->{Metric1}\\t\";
17. print \"$objItem->{Name}\\t“.\"$objItem->{NextHop}\\t\";
18. print \"$objItem->{Type}\\t“.print \"$objItem->{Protocol}\\n\";
19. }

WMI Practical: ‘Route Add’
1. use Win32::OLE;
2. use strict;
3. my $strComputer = '.';
4. my $objLocator = Win32::OLE->new('WbemScripting.SWbemLocator');
5. my $objWMI = $objLocator->ConnectServer($strComputer, 'root/CIMv2');
6. my $objRoute = $objWMI->Get('Win32_IP4RouteTable')->SpawnInstance_();
7. $objRoute->{Destination} = '0.0.0.0';
8. $objRoute->{NextHop} = '10.10.0.1';
9. $objRoute->{Mask} = '0.0.0.0';
10. $objRoute->{InterfaceIndex} = 0x10006;
11. $objRoute->{Metric1} = 1;
12. $objRoute->{Protocol} = 1;
13. $objRoute->{Type} = 4;
14. $objRoute->Put_();
15. if (Win32::GetLastError()){
16. print \"WMI Error: \".Win32::GetLastError().\"\\n\";
17. $intReturnCode &= 0;
18. };
19. #route add 0.0.0.0 MASK 0.0.0.0 10.10.0.1

WMI Practical: ‘Route Delete’
1. my $objWMI = Win32::OLE->GetObject('winmgmts:\\\\\\\\.\\\\root\\\\cimv2');
2. for ( my $j = 0; $j < $i; $j++ ) {
3. # open and delete local wmi instance
4. $objWMI->Delete( 'Win32_IP4RouteTable.Destination=\\'‘
. $Destination
. '\\',NextHop=\\'‘
. $NextHop[$j]
. '\\'' );
5. if ( Win32::GetLastError() ) {
6. print \"Could not delete the route gateway. \"
7. . $NextHop[$j]
8. . \". WMI Error: \"
9. . Win32::GetLastError() . \"\\n\";
10. $intReturnCode &= 0;
11. }
12. else {
13. print \"Route gateway \" . $NextHop[$j] . \" deleted\" ;
14. $intReturnCode &= 1;
15. }
16. }

WMI Practical: ‘Refreshing \"PerfMon Data\"’
VBS
PLS
PL
Accessing Performance Data : http://msdn2.microsoft.com/en-us/library/Aa384728.aspx

WMI Practical: ‘Refreshing’
• VBS (`cscript script.vbs`)
1. ' Get the performance counter instance for the System process
2. set Perf = GetObject(\"winmgmts:Win32_PerfFormattedData_PerfOS_Processor.name=‘0'\")
3. ' Display some properties in a loop
4. for I = 1 to 5
5. Wscript.Echo \"Perf PercentIdleTime = \" & Perf.PercentIdleTime
6. Wscript.Sleep 2000
7. ' Refresh the objects
8. Perf.Refresh_
9. next
C:\\>cscript Demo_Refresher.vbs
Microsoft (R) Windows Script Host Version 5.6
Copyright (C) Microsoft Corporation 1996-2001. All rights reserved.
Perf PercentIdleTime = 100
Perf PercentIdleTime =
Perf PercentIdleTime = 100
Perf PercentIdleTime = 96
Perf PercentIdleTime = 96
C:\\>

WMI Practical: ‘Refreshing’
• PLS (`cscript script.pls`)
1. use Win32::OLE qw(in);
2. use strict;
3.
4. my $Perf = Win32::OLE->GetObject(
\"winmgmts:Win32_PerfFormattedData_PerfOS_Processor.name=‘0'\");
5. for (my $i = 1;$i <= 5 ;$i++){
6. sleep 5;
7. $Perf->Refresh_();
8. print \"PercentIdleTime: $Perf->{PercentIdleTime}\\n\";
9. }
C:\\>cscript Demo_Refresher.pls
Microsoft (R) Windows Script Host Version 5.6
Copyright (C) Microsoft Corporation 1996-2001. All rights reserved.
Perf PercentIdleTime = 100
Perf PercentIdleTime =
Perf PercentIdleTime = 96
Perf PercentIdleTime = 93
Perf PercentIdleTime = 97
C:\\>

WMI Practical: ‘Refreshing’
• PL (`perl script.pl`)
1. use Win32::OLE qw(in);
2. use strict;
3. for (my $i = 1;$i <= 5 ;$i++){
4. my $Perf = Win32::OLE->GetObject(
\"winmgmts:Win32_PerfFormattedData_PerfOS_Processor.name='0'\");
5. print \"PercentIdleTime: $Perf->{PercentIdleTime}\\n\";
6. $Perf->DESTROY;
7. $Perf = \"Unknown\";
8. $Perf = undef;
9. sleep 2;
10. };
C:\\>perl Demo_Refresher.pl
PercentIdleTime: 96
PercentIdleTime: 93
PercentIdleTime: 100
PercentIdleTime: 96
PercentIdleTime: 96
C:\\>

WMI Practical: ‘Data Dumping’
• WQL Query
• Enumerate WMI object
• Generate XML Dumps

WMI Practical: ‘WQL Query’
• Cf. Slide ‘WQL – ExecQuery’

WMI Practical: ‘Enumerate WMI object’
1. my $strWMIClass = \"win32_bios\";
2. my $objWMI = Win32::OLE->GetObject(\"WinMgmts:\")->InstancesOf(\"win32_bios\");
3. print( ( '-' x 78 ) . \"\\n \"
4. . \"Obtaining that object's data in an enumerated way.\\n\"
5. . ( '-' x 78 ) . \"\\n\" );
6. my $pad_len = 30;
7. foreach my $objItem ( in $objWMI) {
8. print( sprintf( \"%-*s\", $pad_len, \"WMI Class\" ) . \": \"
9. . $strWMIClass . \"\\n\"
10. . sprintf( \"%-*s\", $pad_len, \"Name \" ) . \": \"
11. . sprintf( \"%-*s\", $pad_len, $objItem->Name ) . \"\\n\" );
12. foreach my $objProp ( in $objItem->Properties_ ) {
13. if ( !( $objProp->Value ) ) {
14. print( sprintf( \"%-*s\", $pad_len, $objProp->Name ) . \": NULL\\n\" );
15. }
16. elsif ( $objProp->IsArray == 1 ) {
17. foreach my $i ($objProp) {
18. print( sprintf( \"%-*s\", $pad_len, $objProp->Name ) . \": \"
19. . $objProp->Value($i) . \"\\n\" );
20. }
21. }
22. elsif ( $objProp->IsArray != 1 ) {
23. print( sprintf( \"%-*s\", $pad_len, $objProp->Name ) . \": \"
24. . $objProp->Value . \"\\n\" );
25. }
26. }
27. print \"\\n\";
28. }
29. $objWMI->DESTROY;
30. $objWMI = \"Unknown\";
31. $objWMI = undef;

WMI Practical: ‘Enumerate WMI object’
WMI Class : win32_bios
Name : Phoenix ROM BIOS PLUS Version 1.10 A07
BiosCharacteristics :
BIOSVersion :
BuildNumber : NULL
Caption : Phoenix ROM BIOS PLUS Version 1.10 A07
CodeSet : NULL
CurrentLanguage : en|US|iso8859-1
Description : Phoenix ROM BIOS PLUS Version 1.10 A07
IdentificationCode : NULL
InstallableLanguages : 1
InstallDate : NULL
LanguageEdition : NULL
ListOfLanguages :
Manufacturer : Dell Inc.
Name : Phoenix ROM BIOS PLUS Version 1.10 A07
OtherTargetOS : NULL
PrimaryBIOS : 1
ReleaseDate : 20070402000000.000000+000
SerialNumber : MySerialNbr
SMBIOSBIOSVersion : A07
SMBIOSMajorVersion : 2
SMBIOSMinorVersion : 4
SMBIOSPresent : 1
SoftwareElementID : Phoenix ROM BIOS PLUS Version 1.10 A07
SoftwareElementState : 3
Status : OK
TargetOperatingSystem : NULL
Version : DELL - 27d70402

WMI Practical: ‘Generate XML Dumps’
1. use Win32::OLE qw(in);
2. use strict;
3. print( \"\\n\"
4. . ( '=' x 78 ) . \"\\n\"
5. . \"The following script shows how to obtain an XML representation of\\n\"
6. . \"the Win32_Bios class definition.\\n\"
7. . ( '=' x 78 ) . \"\\n\" );
8. my $objWMI = Win32::OLE->GetObject(\"winmgmts:win32_bios\");
9. my $XMLDtd = 1;
10. my $Text = $objWMI->GetText_($XMLDtd);
11. print( join( \"\\n<PROPERTY\", split( /<PROPERTY/, $Text ) ) . \"\\n\" );
12. $objWMI->DESTROY;
13. $objWMI = \"Unknown\";
14. $objWMI = undef;
15. #-----------------------------------------------------------------------------
16. print( ( '=' x 78 ) . \"\\n\"
17. . \"By specifying a particular instance of Win32_Bios, you can\\n\"
18. . \"obtain that object's data.\\n\"
19. . ( '=' x 78 ) . \"\\n\" );
20. my $strWMIClass = \"win32_bios\";
21. my $objWMI = Win32::OLE->GetObject(\"WinMgmts:\")->InstancesOf(\"win32_bios\");
22. print( ( '-' x 78 ) . \"\\n\"
23. . \"Obtaining that object's data in XML.\\n\"
24. . ( '-' x 78 )
25. . \"\\n\" );
26. foreach my $objItem ( in $objWMI) {
27. my $XMLDtd = 1;
28. my $Text = $objItem->GetText_($XMLDtd);
29. print( join( \"\\n<PROPERTY\", split( /<PROPERTY/, $Text ) ) . \"\\n\" );
30. }

WMI Practical: ‘Generate XML Dumps’
<CLASS NAME=\"Win32_BIOS\" SUPERCLASS=\"CIM_BIOSElement\">
<PROPERTY NAME=\"__PATH\" CLASSORIGIN=\"___SYSTEM\"
TYPE=\"string\"><VALUE>\\\\MyMachineName\\ROOT\\cimv2:Win32_BIOS</VALUE></PROPERTY>
<PROPERTY NAME=\"__NAMESPACE\" CLASSORIGIN=\"___SYSTEM\"
TYPE=\"string\"><VALUE>ROOT\\cimv2</VALUE></PROPERTY>
<PROPERTY NAME=\"__SERVER\" CLASSORIGIN=\"___SYSTEM\"
TYPE=\"string\"><VALUE>MyMachineName</VALUE></PROPERTY>
<PROPERTY.ARRAY NAME=\"__DERIVATION\" CLASSORIGIN=\"___SYSTEM\"
TYPE=\"string\"><VALUE.ARRAY><VALUE>CIM_BIOSElement</VALUE><VALUE>CIM_SoftwareElement</VA
LUE><VALUE>CIM_LogicalElement</VALUE><VALUE>CIM_ManagedSystemElement</VALUE></VALUE.ARR
AY></PROPERTY.ARRAY>
<PROPERTY NAME=\"__PROPERTY_COUNT\" CLASSORIGIN=\"___SYSTEM\"
TYPE=\"sint32\"><VALUE>27</VALUE></PROPERTY>
<PROPERTY NAME=\"__RELPATH\" CLASSORIGIN=\"___SYSTEM\"
TYPE=\"string\"><VALUE>Win32_BIOS</VALUE></PROPERTY>
<PROPERTY NAME=\"__DYNASTY\" CLASSORIGIN=\"___SYSTEM\"
TYPE=\"string\"><VALUE>CIM_ManagedSystemElement</VALUE></PROPERTY>
<PROPERTY NAME=\"__SUPERCLASS\" CLASSORIGIN=\"___SYSTEM\"
TYPE=\"string\"><VALUE>CIM_BIOSElement</VALUE></PROPERTY>
<PROPERTY NAME=\"__CLASS\" CLASSORIGIN=\"___SYSTEM\"
TYPE=\"string\"><VALUE>Win32_BIOS</VALUE></PROPERTY>
<PROPERTY NAME=\"__GENUS\" CLASSORIGIN=\"___SYSTEM\" TYPE=\"sint32\"><VALUE>1</VALUE></PROPERTY>
<PROPERTY.ARRAY NAME=\"BiosCharacteristics\" CLASSORIGIN=\"Win32_BIOS\"
TYPE=\"uint16\"></PROPERTY.ARRAY>
<PROPERTY.ARRAY NAME=\"BIOSVersion\" CLASSORIGIN=\"Win32_BIOS\"
TYPE=\"string\"></PROPERTY.ARRAY>
<PROPERTY NAME=\"BuildNumber\" CLASSORIGIN=\"CIM_SoftwareElement\" PROPAGATED=\"true\"
TYPE=\"string\"></PROPERTY>
<PROPERTY NAME=\"Caption\" CLASSORIGIN=\"CIM_ManagedSystemElement\" PROPAGATED=\"true\"
TYPE=\"string\"></PROPERTY>
..
TYPE=\"string\"></PROPERTY></CLASS>

WMI Practical: ‘Generate XML Dumps’
<INSTANCE CLASSNAME=\"Win32_BIOS\">
<PROPERTY NAME=\"__PATH\" CLASSORIGIN=\"___SYSTEM\"
TYPE=\"string\"><VALUE>\\\\MyMachineName\\root\\cimv2:Win32_BIOS.Name=\"Phoenix ROM BIOS PLUS
Version 1.10 A07\",SoftwareElementID=\"Phoenix ROM BIOS PLUS Version 1.10
A07\",SoftwareElementState=3,TargetOperatingSystem=0,Version=\"DELL -
27d70402\"</VALUE></PROPERTY>
<PROPERTY NAME=\"__NAMESPACE\" CLASSORIGIN=\"___SYSTEM\"
TYPE=\"string\"><VALUE>root\\cimv2</VALUE></PROPERTY>
<PROPERTY NAME=\"__SERVER\" CLASSORIGIN=\"___SYSTEM\"
TYPE=\"string\"><VALUE>MyMachineName</VALUE></PROPERTY>
<PROPERTY.ARRAY NAME=\"__DERIVATION\" CLASSORIGIN=\"___SYSTEM\"
TYPE=\"string\"><VALUE.ARRAY><VALUE>CIM_BIOSElement</VALUE><VALUE>CIM_SoftwareElement</VA
LUE><VALUE>CIM_LogicalElement</VALUE><VALUE>CIM_ManagedSystemElement</VALUE></VALUE.ARR
AY></PROPERTY.ARRAY>
<PROPERTY NAME=\"__PROPERTY_COUNT\" CLASSORIGIN=\"___SYSTEM\"
TYPE=\"sint32\"><VALUE>27</VALUE></PROPERTY>
<PROPERTY NAME=\"__RELPATH\" CLASSORIGIN=\"___SYSTEM\"
TYPE=\"string\"><VALUE>Win32_BIOS.Name=\"Phoenix ROM BIOS PLUS Version 1.10
A07\",SoftwareElementID=\"Phoenix ROM BIOS PLUS Version 1.10
A07\",SoftwareElementState=3,TargetOperatingSystem=0,Version=\"DELL -
27d70402\"</VALUE></PROPERTY>
<PROPERTY NAME=\"__DYNASTY\" CLASSORIGIN=\"___SYSTEM\"
TYPE=\"string\"><VALUE>CIM_ManagedSystemElement</VALUE></PROPERTY>
..
<PROPERTY NAME=\"Version\" CLASSORIGIN=\"CIM_SoftwareElement\" TYPE=\"string\"><VALUE>DELL -
27d70402</VALUE></PROPERTY></INSTANCE>

If ( !($WMI) )
• Dos Executables
• Perl XS interface to Win32 binaries

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