StegoAd MV3 declarativeNetRequest Hijack for Web Request Interception

Ibrahim Saud@tektrix

•updated Jun 29, 2026•1•1•7

This rule detects potentially malicious activity related to browser extensions, specifically targeting configuration file modifications (manifest.json, rules files) or the use of sensitive browser APIs (declarativeNetRequest, updateDynamicRules) that are commonly abused by malicious extensions. It also flags activity that includes keywords associated with affiliate/ad-click fraud platforms within command line arguments of major browsers like Chrome and Edge.