Mark of the Web
New WinRAR version strips Windows metadata to increase privacy
WinRAR 7.10 was released yesterday with numerous features, such as larger memory pages, a dark mode, and the ability to fine-tune how Windows Mark-of-the-Web flags are propagated when extracting files. WinRAR is a popular file archiver and compression tool for Windows that allows users to create, extract, and manage compressed files, primarily in RAR, ZIP, […]
7-Zip MotW bypass exploited in zero-day attacks against Ukraine
A 7-Zip vulnerability allowing attackers to bypass the Mark of the Web (MotW) Windows security feature was exploited by Russian hackers as a zero-day since September 2024. According to Trend Micro researchers, the flaw was used in SmokeLoader malware campaigns targeting the Ukrainian government and private organizations in the country. The Mark of the Web […]
7-Zip fixes bug that bypasses Windows MoTW security warnings, patch now
A high-severity vulnerability in the 7-Zip file archiver allows attackers to bypass the Mark of the Web (MotW) Windows security feature and execute code on users’ computers when extracting malicious files from nested archives. 7-Zip added support for MotW in June 2022, starting with version 22.00. Since then, it has automatically added MotW flags (special ‘Zone.Id’ alternate data streams) to […]
New Windows Server 2012 zero-day gets free, unofficial patches
Free unofficial security patches have been released through the 0patch platform to address a zero-day vulnerability introduced over two years ago in the Windows Mark of the Web (MotW) security mechanism. Windows automatically adds Mark of the Web (MotW) flags to all documents and executables downloaded from untrusted sources. These MotW labels inform the Windows […]
New Windows SmartScreen bypass exploited as zero-day since March
Today, Microsoft revealed that a Mark of the Web security bypass vulnerability exploited by attackers as a zero-day to bypass SmartScreen protection was patched during the June 2024 Patch Tuesday. SmartScreen is a security feature introduced with Windows 8 that protects users against potentially malicious software when opening downloaded files tagged with a Mark of […]