Yahoo Ad Network abused to redirect users to malicious websites serving Magnitude Exploit Kit
Jan 05, 2014
Internet advertisement networks provide hackers with an effective venue for targeting wide range computers through malicious advertisements. Previously it was reported by some security researchers that Yahoo's online advertising Network is one of the top ad networks were being abused to spread malware by cyber criminals . Recent report published by Fox-IT, Hackers are using Yahoo's advertising servers to distribute malware to hundreds of thousands of users since late last month that affecting thousands of users in various countries. " Clients visiting yahoo.com received advertisements served by ads.yahoo.com. Some of the advertisements are malicious ," the firm reported . More than 300,000 users per hour were being redirected to malicious websites serving 'Magnitude Exploit Kit', that exploits vulnerabilities in Java and installs a variety of different malware i.e. ZeuS Andromeda Dorkbot/Ngrbot Advertisement clicking malware Tinba/Zusy Necurs "