The Russian gang behind the obscure Qbot botnet have quietly built an impressive empire of 500,000 infected PCs by exploiting unpatched flaws in mainly US-based Windows XP and Windows 7 computers, researchers at security firm Proofpoint have discovered.
A year or two ago, what the Qbot (aka Qakbot) campaign has achieved in the roughly half dozen years the actors behind it have been operating would have been seen as a major concern. Recently, standards have gone up a notch.
These days Russian hackers are grabbing headlines for altogether more serious incursions such as the recently revealed attack on US bank JPMorgan Chase, and botnets sound like yesterday’s problem.
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