def rule(event):
    if all(
        [
            ":\\Windows\\Prefetch\\" in event.deep_get("TargetFilename", default=""),
            event.deep_get("TargetFilename", default="").endswith(".pf"),
            not all(
                [
                    event.deep_get("Image", default="").endswith(
                        ":\\windows\\system32\\svchost.exe"
                    ),
                    any(
                        [
                            "AUTHORI" in event.deep_get("User", default=""),
                            "AUTORI" in event.deep_get("User", default=""),
                        ]
                    ),
                ]
            ),
        ]
    ):
        return True
    return False
