Bkis researchers are warning of a new wave of spam which distributes the Oficla Trojan, posing as package delivery failure notifications from the US Postal Service.

"The rogue messages come with a subject of "USPS Delivery Problem NR#######" (where # is a random digit) and have a spoofed From field to appear as originating from a federal@usps.com address," writes Softpedia's Lucian Constantin.

"What sets these emails apart from other Oficla distribution campaigns is the use of an image instead of plain text to deliver the message, Constantin writes. "This technique attempts to trick simple anti-spam filters."

Click here to read the Softpedia article.

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