Host booter. For Halo 3 in Gaming Posted August 12, 2009 Don't download it. Period. It IS bound with malicious code. Usually people will bind the botnet bot code to the booter in order to get more bots to effectively DDoS the target. Not only does this application promote unlawful distributed denial of service, but it also goes against the Xbox Live TOS. You will become infected if you use it.