Service Binary Replaced for Execution Flow Hijack

Darshan Thummar@Mighty

•updated Jun 11, 2026•0•0•3

This rule detects network traffic on port 445 (SMB) containing the strings "services.exe" and "ImagePath" (case-insensitive). This combination suggests an attempt to hijack the execution flow of a service by replacing its binary, specifically targeting the 'services.exe' process, which is a critical Windows component. The rule is designed to identify trojan activity related to persistence mechanisms.