TuglaInsaatci .NET Bitmap Steganography Payload Extraction via GetPixel

Ibrahim Saud@tektrix

•updated Jun 24, 2026•0•0•1

This rule detects suspicious activity indicative of reflective code loading, often used by adversaries to conceal malicious payloads. It looks for specific strings in script content or PowerShell commands, combined with the creation of a 'payload.bin' file or the loading of 'Optimax.dll'. The rule correlates these events to identify potential in-memory execution of malicious code.