D0z.me URL Shortener Facilitates DDoS Attacks! The tool is a “proof-of-concept” tool that attacks a server while re-routing links. When users click on the link, they are redirected to the requested site with the addition of a invisible iFrame that unleashes a LOIC-canon like Javascript DoS that runs while the user is browsing. The malevolent script runs for as long as a user continues browsing from a page and is even more potent when run from an HTML5 browser.
Source: https://thehackernews.com/2010/12/d0zme-url-shortener-facilitates-ddos.html