Mark of the Web (MoTW) Bypass Vulnerability

This report explains how Windows' Mark of the Web (MoTW) can be bypassed and documents multiple related vulnerabilities and exploitation techniques — including a 7‑Zip double-compression flaw (CVE‑2025‑0411) exploited in a zero‑day campaign, LNK stomping (CVE‑2024‑38217), and a WebDAV copy handling issue (CVE‑2024‑38213) — which threat actors have used to deliver malware such as SmokeLoader and LummaStealer and evade security warnings; it recommends applying updates and using security controls to validate file origins.