Technique Search Instance

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{
    "id": 177,
    "key": "disabling-event-tracing-for-windows-etw",
    "unprotect_id": "U0306",
    "name": "Disabling Event Tracing for Windows (ETW)",
    "description": "Many EDR solutions leverage Event Tracing for Windows (ETW) extensively. ETW allows for extensive instrumentation and tracing of a process functionality and WINAPI calls. It has components in the kernel, to register callbacks for system calls and other kernel operations, but also consists of a userland component that is part of ntdll.dll. \r\n\r\nSince ntdll.dll is a DLL loaded into the process of a binary, an attacker can have full control over this DLL and therefore the ETW functionality. The most common nypassing technique is patching the function EtwEventWrite which is called to write/log ETW events. It is possible to fetch its address in ntdll.dll, and replace its first instructions with instructions to return 0 (SUCCESS).",
    "windows": "",
    "linux": "",
    "macos": "",
    "resources": "https://vanmieghem.io/blueprint-for-evading-edr-in-2022/",
    "creation_date": "2022-04-19T00:09:38.360000Z",
    "tags": "anti-forensic",
    "modification_date": "2023-10-04T10:42:56.937000Z",
    "category": [
        8
    ],
    "rules": [],
    "attachments": [],
    "featured_api": [
        425
    ],
    "contributors": []
}