7 Sneak Attacks Used By Today's Most Devious Hackers

Most malware is mundane, but these innovative techniques are exploiting systems and networks of even the savviest users.

By Roger A. Grimes
Mon, December 30, 2013

InfoWorld

security, cybercrime, hackers
Millions of pieces of malware and thousands of malicious hacker gangs roam today's online world preying on easy dupes. Reusing the same tactics that have worked for years, if not decades, they do nothing new or interesting in exploiting our laziness, lapses in judgment, or plain idiocy.

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But each year antimalware researchers come across a few techniques that raise eyebrows. Used by malware or hackers, these inspired techniques stretch the boundaries of malicious hacking. Think of them as innovations in deviance. Like anything innovative, many are a measure of simplicity.

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Take the 1990s Microsoft Excel macro virus that silently, randomly replaced zeros with capital O's in spreadsheets, immediately transforming numbers into text labels with a value of zero -- changes that went, for the most part, undetected until well after backup systems contained nothing but bad data.

Today's most ingenious malware and hackers are just as stealthy and conniving. Here are some of the latest techniques of note that have piqued my interest as a security researcher and the lessons learned. Some stand on the shoulders of past malicious innovators, but all are very much in vogue today as ways to rip off even the savviest users.

Stealth attack No. 1: Fake wireless access points

No hack is easier to accomplish than a fake WAP (wireless access point). Anyone using a bit of software and a wireless network card can advertise their computer as an available WAP that is then connected to the real, legitimate WAP in a public location.

Think of all the times you -- or your users -- have gone to the local coffee shop, airport, or public gathering place and connected to the "free wireless" network. Hackers at Starbucks who call their fake WAP "Starbucks Wireless Network" or at the Atlanta airport call it "Atlanta Airport Free Wireless" have all sorts of people connecting to their computer in minutes. The hackers can then sniff unprotected data from the data streams sent between the unwitting victims and their intended remote hosts. You'd be surprised how much data, even passwords, are still sent in clear text.

The more nefarious hackers will ask their victims to create a new access account to use their WAP. These users will more than likely use a common log-on name or one of their email addresses, along with a password they use elsewhere. The WAP hacker can then try using the same log-on credentials on popular websites -- Facebook, Twitter, Amazon, iTunes, and so on -- and the victims will never know how it happened.

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