Simple password tests

I would like to run a simple test against a group of systems.
I want to only test for
1. No passwords for ids like root, oracle, mysql, etc.
2. Default userid & passwords (like oracle's scott/tiger)

Is there any easy way to tell nessus to JUST do this type of test?

There are userid / password lists on the net which I would like to take
advantage of.

I tried to 'filter' the plugins, but I guess I don't understand the
expression syntax.  I tried 

'blank password|unpassword|default password'

The only expressions I get much result with are
default password
password


Yes, I am also looking at Hydra and Nikto (Thanks George).
I am just trying to keep the number of different tools and
data output formats to a minimum so I don't have to write so many 
translation programs to consolidate the data into a standard format
and database for tracking purposes.

Regards,
Bill

--
Bill Petersen, CISSP
Senior Information Security Analyst
Alcatel North America Information Security
Bill.Petersen@alcatel.com
Voice: 972-519-4249
Fax:   972-477-5300

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