0nb.7z 🔖

: NIST notes that this specific vulnerability can bypass the "Mark-of-the-Web" protection mechanism, which typically warns users when opening files downloaded from the internet.

Other security-focused blog posts have explored the broader risks associated with archiving tools: 0NB.7z

: The vulnerability was used to deploy the SmokeLoader malware, which functions as a loader for further cyberespionage tools. : NIST notes that this specific vulnerability can

: Analysis from ThreatLocker highlights that attackers prefer tools like 7-Zip because they are often pre-approved in corporate environments, making it difficult for standard antivirus software to flag their use as malicious. 0NB.7z

: Attackers used compromised email accounts to send malicious archives. These attacks utilized homoglyph attacks , where visually similar characters are used to deceive users into opening malicious files.