drupalgeddon

Install drupalgeddon on your server:

drush dl drupalgeddon

Install Site Audit:

drush dl site_audit --dev

Install Hacked:

drush dl hacked --dev; drush en hacked -y

Install Security Review:

drush en security_review -y

OPTIONAL: run all the above in a single line.

drush dl drupalgeddon -y; drush dl site_audit --dev -y; drush dl hacked --dev -y; drush en hacked -y; drush en security_review -y

Run the drupalgeddon site audit--this will also run the above modules--this will create a file called 'report.html'. Open it up and see what's up.