Phishing Series 2026: PowerShell Extracting Payload from Browser Cache Image via Steganography

Ibrahim Saud@tektrix

•updated 11 days ago•0•0•1

Detects the use of PowerShell or Windows Script Host to access files within common web browser cache directories combined with indicators of Base64 decoding and pixel data manipulation. This behavior is indicative of extracting malicious payloads hidden via steganography within browser-cached image files, a technique often used in phishing campaigns to evade detection.