I published the following diary on isc.sans.edu: “Malware Sample Delivered Through UDF Image“:
I found an interesting phishing email which was delivered with a malicious attachment: an UDF image (.img). UDF means “Universal Disk Format†and, as said by Wikipedia], is an open vendor-neutral file system for computer data storage. It has supplented the well-known ISO 9660 format (used for burning CD & DVD) that was also used in previous campaign to deliver malicious files… [Read more]