VBScan is a black box vBulletin vulnerability scanner written in perl.
You can download it from the following link: https://packetstormsecurity.com/files/download/135521/vbscan-v.0.1.4.tar.gz
Source: https://packetstormsecurity.com/files/135521/VBScan-Vulnerability-Scanner-0.1.4.html