Zeus, which has been around since late 2005, has been used by criminal organisations to commit targeted attacks against bank customers. It does this by keystroke logging and spreads through drive-by downloads or phishing attacks.
Older Zeus versions have usually been sold on the black market bundled with services. The Zeus botnet with an admin panel, web injection scripts and an exploit system could be bought for around $400. From the six months to March, security vendor Trend Micro blocked nine million attempted Zeus-related attacks.
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