A new variant of Trojan Horse specifically for DNS of domain Name system appearing on the Internet

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Xinhua News agency, Tianjin, March 22 (reporter Jianxin) National Computer virus Emergency Treatment center monitoring found that a special domain Name System DNS Trojan horse program new variant TROJAN.FLUSH.M, this variant will hijack a large number of devices in the LAN Security settings information.

Experts say the variant will create a spoofed DHCP (Dynamic Host Allocation Protocol) server in the infected operating system, without using a legitimate server established by the network administrator. Once the other operating systems in the LAN access to the Internet, it will invoke a number of malicious DNS domain name servers, resulting in operating system access to login to some malicious Web site, so that the operating system is more harm.

The expert recommends the following precautions: Fixing the DNS server parameters and monitoring links to all DNS servers, and immediately masking the malicious DNS server address once it is found.