Malware attacks that recently put the Polish banking sector on alert were part of a larger campaign that targeted financial organizations from more than 30 countries.
Researchers from Symantec and BAE Systems linked the malware used in the recently discovered Polish attack to similar attacks that have taken place since October in other countries. There are also similarities to tools previously used by a group of attackers known in the security industry as Lazarus.
The hackers compromised websites that were of interest to their ultimate targets, a technique known as watering hole attacks. They then injected code into them that redirected visitors to a custom exploit kit.
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