ETW Patching via EtwEventWrite/ntdll.dll Memory Modification

Ibrahim Saud@tektrix

•updated Sep 20, 2026•0•0•4

Detects attempts to patch or disable Event Tracing for Windows (ETW) functionality by identifying memory modification operations targeting the 'EtwEventWrite' function or direct memory protection changes within 'ntdll.dll'. This is a common technique used by malware and post-exploitation tools to blind security telemetry.