RSPlug
Encyclopedia
RSPlug, also known as OSX/DNSChanger and OSX/Puper was a family of trojan
Trojan horse (computing)
A Trojan horse, or Trojan, is software that appears to perform a desirable function for the user prior to run or install, but steals information or harms the system. The term is derived from the Trojan Horse story in Greek mythology.-Malware:A destructive program that masquerades as a benign...

 malware
Malware
Malware, short for malicious software, consists of programming that is designed to disrupt or deny operation, gather information that leads to loss of privacy or exploitation, or gain unauthorized access to system resources, or that otherwise exhibits abusive behavior...

 targeting the Mac OS X
Mac OS X
Mac OS X is a series of Unix-based operating systems and graphical user interfaces developed, marketed, and sold by Apple Inc. Since 2002, has been included with all new Macintosh computer systems...

 operating system. The first incarnation of the trojan, OSX.RSPlug.A, was discovered on October 30, 2007 by Mac Security Vendor Intego
Intego
Intego is a software company founded in 1997. They create backup, antivirus, anti-spam, firewall and data protection software for Mac OS X. The company's slogan is "we protect your world." In September 2007, Intego launched The Mac Security Blog, which provides articles about Mac security issues,...

.

The RSPlug Trojans were found on several pornographic sites disguised as video codecs. When installed, the system's DNS
Domain name system
The Domain Name System is a hierarchical distributed naming system for computers, services, or any resource connected to the Internet or a private network. It associates various information with domain names assigned to each of the participating entities...

 settings were changed to redirect web browsing to pornographic web sites. There were 32 different versions of the trojan, and security experts believe it was created by the same group that created the Zlob trojan
Zlob trojan
The Zlob Trojan, identified by some antiviruses as Trojan.Zlob, is a trojan horse which masquerades as a needed video codec in the form of ActiveX...

 which targets Windows.
The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
x
OK