Ramblings & ephemera

Conficker creating a new gargantuan botneth

From Asavin Wattanajantra’s “Windows worm could create the ‘world’s biggest botnet’” (IT PRO: 19 January 2009):

The Downadup or “Conficker” worm has increased to over nine million infections over the weekend – increasing from 2.4 million in a four-day period, according to F-Secure.

The worm has password cracking capabilities, which is often successful because company passwords sometimes match a predefined password list that the worm carries.

Corporate networks around the world have already been infected by the network worm, which is particularly hard to eradicate as it is able to evolve – making use of a long list of websites – by downloading another version of itself.

Rik Ferguson, solution architect at Trend Micro, told IT PRO that the worm was very difficult to block for security companies as they had to make sure that they blocked every single one of the hundreds of domains that it could download from.

Ferguson said that the worm was creating a staggering amount of infections, even if just the most conservative infection estimates are taken into account. He said: “What’s particularly interesting about this worm is that it is the first hybrid with old school worm infection capabilities and command and control infrastructure.”

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