Legitimate downloads of popular software including WhatsApp, Skype and VLC Player are allegedly being hacked at an internet service provider (ISP) level to spread an advanced form of surveillance software known as "FinFisher", cybersecurity researchers warn.
FinFisher is sold to global governments and intelligence agencies and can be used to snoop on webcam feeds, keystrokes, microphones and web browsing. Documents, previously published by WikiLeaks, indicate that one tool called "FinFly ISP" may be linked to the case.
The digital surveillance tools are peddled by an international firm called Gamma Group and have in the past been sold to repressive regimes including Bahrain, Egypt and the United Arab Emirates (UAE).
In March this year, the company attended a security conference sponsored by the UK Home Office.
This week (21 September), experts from cybersecurity firm Eset claimed that new FinFisher variants had been discovered in seven countries, two of which were being targeted by "man in the middle" (MitM) attacks at an ISP level – packaging real downloads with spyware.
Companies hit included WhatsApp, Skype, Avast, VLC Player and WinRAR, it said, adding that "virtually any application could be misused in this way."
When a target of surveillance was downloading the software, they would be silently redirected to a version infected with FinFisher, research found.
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