Best Blackhat Forum

You're probably looking for some great footprints, here’s a small selection to get you started:

Wordpress:

Inurl:.edu “powered by wordpress” “leave a comment”
Inurl:.gov “powered by wordpress”
Inurl:.ac.uk “powered by wordpress”

BlogEngine

Inurl:.edu “Powered by BlogEngine.NET 1.4.5.0″
Inurl:.gov “”Powered by BlogEngine.NET 1.4.5.0″
Inurl:.ac.uk “Powered by BlogEngine.NET 1.4.5.0″

Forums

“Powered by PHPbb”
“Powered by vBulletin”
“Powered by SMF”

Guestbooks

allintext:[get a cbox]
“Powered by Tagbox”

Some more forum footprints

Simple machines:
"powered by Simple Machines"
inurl:/index.php?action=register

PunBB
"powered by punBB"

IP Bulletin Board
"Powered By IP.Board"

You can also use it to get all the backlinks of your competitors:

linkdomain:competitorURL.com -site:competitorURL.com

And to specific high ranking pages

linkdomain:competitorURL.com/page.html -site:competitorURL.com

What about Angela's backlinks or Pauls backlinks for profile pages:

AngelaE8654
pj413 Oh and if any of you are still doing the identi.ca method:

inurl:identi.ca

Then you can go and add the people and groups to your friends to build up your identi.ca PR.