Hacker invitation to Twitter carries malware danger

Graham Cluley
@gcluley

Hackers are exploiting the name of the blossoming micro-blogging website Twitter in their attempt to infect innocent computer users with malware.

Although we have in the past seen hackers hijack Twitter accounts, and malicious attacks spread via the Twitter service, on this occasion cybercriminals appear to have spammed out malware posing as an invitation to join the site.

The emails which have the subject line “Your friend invited you to twitter!” and pretend to come from invitations@twitter.com, come with an attached file called Invitation Card.zip.

What should raise your suspicions is that the email says:

To join or to see who invited you, check the attachment

Surely if you wanted to join Twitter,…

Read more in my article on the Naked Security website.

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Graham Cluley is a veteran of the anti-virus industry having worked for a number of security companies since the early 1990s when he wrote the first ever version of Dr Solomon's Anti-Virus Toolkit for Windows. Now an independent security analyst, he regularly makes media appearances and is an international public speaker on the topic of computer security, hackers, and online privacy. Follow him on Twitter at @gcluley, or drop him an email.