I found myself a solution based on the examples from the book suggested by strat.
Here is an example of minimal code for a function that returns the type of group (including universal groups) for a given group, in case anybody is interested.
#!perl
use warnings;
use strict;
use Win32::OLE;

# map group type codes to meaningful names
my %groupType = (
    -2147483644 => 'Local Security Group',
    -2147483646 => 'Global Security Group',
    -2147483640 => 'Universal Security Group',
    4           => 'Local Distribution Group',
    2           => 'Global Distribution Group',
    8           => 'Universal Distribution Group',
    -2147483643 => 'Builtin Group'
);

my $groupname = 'DOMAIN\GROUP';
print $groupname, " => ", GroupType($groupname);

sub GroupType
{
    my($domain,$group) = split /\\/,shift;

    # Set up the ADO connections
    my $connObj = Win32::OLE->new('ADODB.Connection');
    $connObj->{Provider} = "ADsDSOObject";
    $connObj->Open;
    my $commObj = Win32::OLE->new('ADODB.Command');
    $commObj->{ActiveConnection} = $connObj;

    # Grab the default root domain name
    my $rootDSE = Win32::OLE->GetObject("LDAP://$domain/RootDSE");
    my $rootNC = $rootDSE->Get("defaultNamingContext");

    # Run ADO query and return the group type
    my $query  = "<LDAP://$domain/$rootNC>;";
       $query .= "(&(CN=$group)(objectClass=Group));";
       $query .= "cn,groupType;";
       $query .= "subtree";
    $commObj->{CommandText} = $query;
    my $resObj = $commObj->Execute($query);
    die "Could not query $domain: ",$Win32::OLE::LastError,"\n" unless
+ ref $resObj;
    return($groupType{$resObj->Fields("groupType")->value});
}

[download]
Max

In reply to Re: How to enumerate universal groups in Windows by MaxKlokan
in thread How to enumerate universal groups in Windows by MaxKlokan

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