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Subject: [ISN] Researchers question Microsoft's botnet take-down
From: InfoSec News <alerts () infosecnews ! org>
Date: 2010-02-26 7:49:04
Message-ID: Pine.LNX.4.61.1002260148550.3759 () conundrum ! infosecnews ! org
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http://www.computerworld.com/s/article/9162498/Researchers_question_Microsoft_s_botnet_take_down?taxonomyId=17
By Gregg Keizer
Computerworld
February 25, 2010
A prominent security researcher today said he doubts Microsoft's
take-down of the Waledac botnet would have any impact on spam levels, as
the company claimed.
"Waledac just is not a hugely prolific spammer," said Joe Stewart,
director of malware analysis at SecureWorks and a noted botnet
researcher. "So I don't think it's going to affect spam [volume]. What
it does do lately..., what it's used for, is to install rogue antivirus
software."
The U.K.-based anti-spam service Spamhaus echoed Stewart today. "If
[Microsoft's take-down] did affect spam, we haven't noticed," said
Richard Cox, the chief information officer at Spamhaus. Like Stewart,
Cox also dismissed Waledac's threat as a spam engine.
"Waledac was not a high threat, it's less than 1% of the spam traffic,"
Cox said. "What we're worried about is Zeus, which is a far more
damaging botnet, which is creating a substantial amount of spam."
[...]
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