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DNSChanger is a DNS hijacking Trojan. [1] [2] The work of an Estonian company known as Rove Digital, the malware infected computers by modifying a computer's DNS entries to point toward its own rogue name servers, which then injected its own advertising into Web pages.
Trojan.Win32.DNSChanger is a backdoor trojan that redirects users to various malicious websites through the means of altering the DNS settings of a victim's computer. The malware strain was first discovered by Microsoft Malware Protection Center on December 7, 2006 [1] and later detected by McAfee Labs on April 19, 2009.
DNS hijacking, DNS poisoning, or DNS redirection is the practice of subverting the resolution of Domain Name System (DNS) queries. [1] This can be achieved by malware that overrides a computer's TCP/IP configuration to point at a rogue DNS server under the control of an attacker, or through modifying the behaviour of a trusted DNS server so that it does not comply with internet standards.
MaraDNS is a free software DNS server by Sam Trenholme that claims a good security history and ease of use. [9] [10] In order to change any DNS records, MaraDNS needs to be restarted. Like djbdns dnscache, the MaraDNS 2.0 stand-alone recursive resolver ("Deadwood") does not use threads.
The group that created Zlob has also created a Mac Trojan with similar behaviors (named RSPlug). [6] Some variants of the Zlob family, like the so-called "DNSChanger", add rogue DNS name servers to the registry of Windows-based computers [7] and attempt to hack into any detected router to change the DNS settings, potentially re-routing traffic from legitimate web sites to other suspicious web ...
The Domain Name System (DNS) is a hierarchical and distributed name service that provides a naming system for computers, services, and other resources on the Internet or other Internet Protocol (IP) networks. It associates various information with domain names (identification strings) assigned to each of the associated entities.
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Contains the DNSSEC signature for a record set. DNS resolvers verify the signature with a public key, stored in a DNSKEY record. DNSKEY Contains the public key that a DNS resolver uses to verify DNSSEC signatures in RRSIG records. DS (delegation signer) Holds the name of a delegated zone. References a DNSKEY record in the sub-delegated zone.
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