In the last few years, voice over IP (VoIP) has gained a significant foothold in the realm of voice communication. In some arenas the technology has supplanted traditional telecommunication devices, becoming a technology many of us can no longer imagine going without.
As is often the case, when something gains a foothold in software and networking technology, it becomes a target of malicious code writers. This week we’ve seen the release of a Trojan horse called Trojan.Peskyspy that records VoIP communications, specifically targeting Skype—one of the today’s most popular VoIP applications. What we’re looking at is something that could be considered the first “wiretap Trojan”.
Now before going into the details of this threat, we’d like to point out that its existence isn’t due to any problems with Skype itself. In this case, Skype has simply become a victim of its own popularity, most likely being targeted simply...