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Malware in Popular Networks

Malware in Popular Networks. Dmitry O. Gryaznov. Mostly viruses, few trojans Obvious destructive or annoying payload Mischief and vandalism Nothing gained but “glory”. Mostly non-replicating malware Trying to stay inconspicuous Theft and control Monetary gains. The Big Change. Then.

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Malware in Popular Networks

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  1. Malware in Popular Networks Dmitry O. Gryaznov

  2. Mostly viruses, few trojans Obvious destructive or annoying payload Mischief and vandalism Nothing gained but “glory” Mostly non-replicating malware Trying to stay inconspicuous Theft and control Monetary gains The Big Change Then Now

  3. Malware “Highways” • E-mail • Usenet • Internet Relay Chat (IRC) • Peer-to-peer (P2P) • Instant Messaging (IM)

  4. Usenet • Since early 1980s • Over 100,000 newsgroups • Millions of users • Over 2 Terabytes daily • Mostly binaries – video, audio, software

  5. Top Ten Malware Detections in Usenet in 2005

  6. Internet Relay Chat (IRC) • Since early 1990s • Dozens of networks (EFNet, DALnet, Undernet, etc.) • Millions of users • Direct file spamming (via DCC Send) • URL spamming (via text messages) • Used by numerous malwares even when no IRC software was ever installed by user

  7. Top Ten Malware Detections in IRC in 2005

  8. Peer-to-peer networks (P2P) • File sharing: movies, music, software • Numerous networks (Kazaa, eDonkey, BitTorrent, Gnutella, etc.) • Millions of users • “Bridging” between different networks

  9. Top Ten Malware detections in Gnutella in 2005

  10. Questions?

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