Very often these tools will be installed already, but to check and/or. The trojan infects both 10.4 and 10.5 versions of Mac OS X. Domain Name Service (DNS) is an Internet service that maps IP addresses and fully. The script is stored in /Library/Internet Plug-Ins and is named ttings. The install script adds a crontab (a configuration file that specifies shell commands to run periodically on a given schedule) to a script to verify the malicious DNS servers remain unchanged. The message contains the operating system version and the host name.
Reports BackĪfter installation, the script sends back an HTTP message with information that it successfully infected the system. For example, Trojan:OSX/DNSChanger.A directs traffic to servers located in Ukraine. DNS Settings are made with a tool called scutil. The trojan changes the OS X network settings to use a different DNS server. During the installation, the local machine's DNS settings are adjusted to point towards a malicious server. Once the fake codec is installed, the video will play so as not to raise suspicion.