BlackHole receives upgrade to ensure attacks persist
The authors of the BlackHole exploit toolkit have updated their creation to include new functionality that will automatically redirect users from a compromised website to one that serves the malware, according to researchers at Symantec.
The problem for BlackHole’s creators has been when users visit a hacked website containing a JavaScript-enabled IFRAME that doesn’t link to any malware.
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Story added 2. July 2012, content source with full text you can find at link above.