def rule(event):
    if all(
        [
            "ls" in event.deep_get("ScriptBlockText", default=""),
            " -R" in event.deep_get("ScriptBlockText", default=""),
            "select-string " in event.deep_get("ScriptBlockText", default=""),
            "-Pattern " in event.deep_get("ScriptBlockText", default=""),
        ]
    ):
        return True
    return False
