Shaun Nichols in California, vnunet.com15 Jan 2008
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Researchers have uncovered a new banking Trojan which steals user data from
more than 400 banks worldwide.
Trojan.Silentbanker
intercepts account information, redirects traffic to phishing sites, and even
alters transactions to send money to the attacker's bank account.
The long list of targets include banks in the US, UK, Ireland, Spain and
France.
"The scale and sophistication of this emerging banking Trojan is worrying,
even for someone who sees them on a daily basis," wrote
Symantec
researcher Liam O'Murchu in a
company
blog.
The most troubling feature of the Trojan is its ability to perform
man-in-the-middle attacks to intercept and alter data travelling between the
browser and the bank.
This allows the Trojan to modify data and reroute money to another account
without the user's knowledge.
The malware also has the ability to steal and upload account data, change DNS
settings and reroute users to phishing sites.
O'Murchu noted that the Trojan can display more than 600 pornographic URLs,
which he suspects is designed to raise the Trojan's author referral payments.
The current attacks may be just the beginning, however. O'Murchu said that
the Trojan is constantly updating itself, checking for new configuration files
several times a day.
Symantec urged users to protect against the Trojan by keeping antivirus
software up to date. Administrators can also configure firewalls to block the
URLs to which the Trojan connects.
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