Potential Mark-of-the-Web Bypass Attempt Via CommandLine

Rule Info

Name
Potential Mark-of-the-Web Bypass Attempt Via CommandLine
Author
Swachchhanda Shrawan Poudel (Nextron Systems)
Description
Detects a process attempting to bypass the Mark-of-the-Web (MOTW) security zone check via the command line, suppressing the warning dialog normally shown when executing files downloaded from the internet. Threat actors may leverage this technique to execute downloaded malicious payloads without triggering security warnings.
Date
2026-11-03 00:00:00
Modified
None
Id
3f8a1d2e-7c4b-4e9f-a512-b6d3e8f21c90
Tags
attack.defense-impairment attack.t1553.005
Type
Nextron Sigma feed only (private)

Rule History