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A new large-scale botnet has been spotted forwarding what appears to be real news headlines about Microsoft, George Bush and Al Qaeda in an attempt to infect users.
The fall in global spam levels after the shutting of web hosting company McColo looks to be short-lived after researchers reported that the Srizbi botnet has been reactivated.
The amount of unwanted email is again surging after a host of botnets -- led by the high-powered Srizbi network of compromised machines -- have reconnected to internet service providers. Though worldwide spam levels are still diminished in the wake of the McColo hosting-company shutdown, it may only be a matter of time before they come roaring back. The opening ceremony for the much anticipated Beijing Olympic Games is only hours away and security experts have sent out an eleventh hour warning to internet users – ‘think twice before you click.’ Six botnets are generating about 85 percent of all spam, according to security researchers at Marshal's TRACE labs. Mega-D and Srizbi have been trading places recently at the top of the spam menace list.