By Andrew Brandt
As autumn approaches, the world typically sees an increase in the number of online shopping trips, as people take advantage of bargains from late-year sales, and prepare for various holidays. And, right on cue, we’re also seeing an increase in the number of Trojans distributed in the guise of “shipping confirmation” email messages. And these Trojans are packing a triple threat of backdoors designed to steal logins and take command of infected PCs.
The Trojan arrives attached to a vaguely-worded email message thanking the recipient for their order of a high-ticket item. Previous versions of this same kind of message were crafted as though the message source was one of the major shippers, such as FedEx, UPS, DHL, or the US Postal Service, and the message (purportedly) contains tracking information.
But these new versions appear to come directly from an online retailer, with attached files in the form of a zip archive containing an executable with an icon that makes it look like an Office document, such as an Excel spreadsheet. These email messages also imply that the document contains tracking information, but they give the user an extra nudge to open the file by telling the user to “print the label to get your package.”
Um, wait, what? Why would I need to print a label to receive a package? That makes no sense whatsoever. Do the malware authors think we’re dumb, or what? No, don’t answer that, because we’re not dumb. They’re using psychology against us.