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From: InfoSec News (alertsinfosecnews.org)
Date: Wed Sep 05 2007 - 00:07:48 CDT
By Liam Tung
04 Sep 2007
The notorious Russian Business Network has been identified as the ISP
responsible for a recent information-stealing financial attack
Security firm Sunbelt, which recently discovered that the Bank of
India's hacked website was serving dangerous malware, has said the
infamous Russian Business Network an ISP linked to child pornography and
phishing is behind the attack.
The service provider in question has developed a notorious reputation,
with VeriSign classifying it as "the baddest of the bad" in the ISP
world in June 2006.
According to VeriSign threat intelligence analyst Kimberly Zenz, the
Russian Business Network (RBN) is different to other service providers
because "unlike many ISPs that host predominately legitimate items, RBN
is entirely illegal".
"A scan of RBN and affiliated ISPs' net space conducted by VeriSign
iDefense analysts failed to locate any legitimate activity. Instead,
[our] research identified phishing, malicious code, botnet
command-and-control, denial-of-service attacks and child pornography on
every single server owned and operated by RBN," Zenz wrote in a recent
Zenz added that RBN almost exclusively attacks non-Russian financial
institutions and its leaders' family ties with a "a powerful St
Petersburg politician" effectively offer it immunity from prosecution.
Patrik Runald, senior security specialist at F-Secure, said: "No one
knows who the RBN is. They are a secret group based out of St Petersburg
that appears to have political connections. The company doesn't
legitimately exist. It's not registered and provides hosting for
everything that's bad."
"Their network infrastructure is behind a lot of the bad stuff we're
seeing and it has connections to the MPack Group [a well-known group of
cybercriminals which used MPack software to steal confidential data],"
Runald said that, in the case of the Bank of India's hacked website, RBN
used an Iframe to launch another window which then pushed victims to a
webpage containing malicious code.
"That page contained links to three other pages on other servers," said
Runald. "At the time we started looking into it, two out of three URLs
had been taken down. The one remaining was trying to use an exploit from
2006 to affect systems with a Trojan downloader. Once infected, that
downloader would go out and download another piece of malware, including
other downloaders," said Runald.
The Trojans used in this case were designed to steal passwords from PCs
and upload Trojan proxies in aide of developing a botnet.
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