7-Zip 0-day was exploited in Russia’s ongoing invasion of Ukraine
Researchers said they recently discovered a zero-day vulnerability in the 7-Zip archiving utility that was actively exploited as part of Russia's ongoing invasion of Ukraine. The vulnerability allowed a Russian cybercrime group to override a Windows protection designed to limit the execution of files downloaded from the Internet. The defense is commonly known as MotW, short for Mark of the Web. It works by placing a “Zone.Identifier” tag on all files downloaded from the Internet or from a networked share. This tag, a type of NTFS Alternate Data Stream and in the form of a ZoneID=3, subjects the file to [...]