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Fraudsters deploy Botnets as DNS Servers to Sustain Phishing Attacks |
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AplusWebMaster writes "FYI...
- Netcraft
May 4, 2005
Botnets controlled by fraudsters are running their own DNS nameservers on compromised computers, complicating the task of shutting down malicious sites. The technique can keep phishing sites accessible longer by making the nameservers a widely distributed moving target amongst thousands of compromised machines within a bot network.
In recent days both the Internet Storm Center and DailyDave mailing list have received reports of botnets using rapidly-shifting DNS servers. The sophisticated new strategy makes it harder to target phishing sites at the nameserver level, which can be the most effective route to taking a malicious site offline. If fraudsters are able to compete effectively by deploying botnets as nameservers, additional emphasis will be placed upon the responsiveness of domain registrars...
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