CastleStealer Browser Credential Store Access from Suspicious Process

Ibrahim Saud@tektrix

•updated Jun 30, 2026•0•0•4

Detects unauthorized processes attempting to read sensitive browser credential files (Login Data, Cookies, Web Data) from Chrome, Edge, and similar browsers, which is a common post-compromise technique used by infostealer malware to exfiltrate session cookies and stored credentials.