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第265章 入侵难度:需要物理接入

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可能性很小,但在复杂的网络里,管理边界有时会因为‘方便’而变得模糊。”
    “这是一个漫长且不确定的链条,”“钟摆”提醒道,“任何一个环节断裂,攻击就会失败。而且我们时间不多了。”
    “还有另一个思路,”“阿九”的声音再次响起,冷静地提供着来自现场的信息,“‘灰狐’小队在侦察通风管道时,除了发现气流,还探测到非常微弱的、特定频率的电磁噪声。经过初步分析,这种噪声的特征,与某些型号的光纤通信系统的冗余电源或时钟发生器产生的电磁泄漏类似。如果这个判断正确,意味着那条通风管道附近,或者管道经过的某个地方,可能埋设有连接不同区域的光纤主干线路。”
    光纤主干!这通常是网络的大动脉,承载着高带宽的数据传输。如果能接触到光纤,理论上可以进行搭接窃听,甚至注入信号。但同样,高安全设施的光纤通常有装甲保护,埋设在管道或线槽内,且有物理防篡改和断纤告警机制。
    “即使找到光纤,如何在不触发告警的情况下进行搭接?又如何将攻击载荷注入到可能是加密的数据流中?”“锁匠”提出一连串问题。
    “需要特殊的设备,和深入的技术分析,”“阿九”承认,“但至少,这提供了另一种物理接触的可能性,比控制一台老旧温控器,可能更接近核心数据流。”
    苏瑾沉默了片刻,大脑飞速运转,权衡着每一条路径的风险与收益,以及那遥不可及的成功率。网络攻击受限于物理隔离。物理渗透受限于森严防御。两者结合,或许有一线生机,但每一环都脆弱不堪。
    “我们需要多管齐下,同时尝试所有可能的薄弱点,”“她最终决定,”“‘锁匠’、‘百灵’,集中精力,沿着‘特洛伊’路径(环境控制漏洞)和可能的网络管理漏洞深入挖掘,同时开始研究针对常见物理隔离设备(推测型号)的潜在攻击手段,准备好相应的攻击载荷。”
    “‘阿九’,指示‘灰狐’小队,在确保绝对隐蔽的前提下,尝试对探测到异常电磁噪声的通风管道区域,进行更精确的定位。如果能大致确定光纤路径,评估是否有进行非侵入式探测(如通过管道缝隙进行外部感应)或极小风险接触的可能性。绝不允许进行任何可能触发告警的实质性操作。他们的首要任务仍是潜伏和侦察,为后续可能的行动提供信息。”
    “周墨,继续追查瑞士公司那条线,尝试用一切方法,获取那批设备的准确序列号范围、固件版本,以及任何可能的、未公开的技术文档或漏洞信息。必要时,可以采取更主动的接触方式,但务必注意安全。”
    “‘园丁’、‘钟摆’,加速与三方监督小组的协调,确保资产冻结令准时发出。同时,密切关注‘隐门’在全球金融市场和其掩护产业中的任何异常动向,那可能指示其内部警戒等级的变化。”
    “‘墨砚’,许薇状况如何?陆沉舟和林晚的转移准备?”
    “许薇已脱离危险期,但仍需观察。她坚持要知道进展。”“墨砚”回答,“陆、林二人已按计划,在‘渡鸦’的护送下,秘密转移到第一个中转点。三方监督小组的保护人员已就位,但交接过程……存在被监视的风险。‘渡鸦’报告了一些无法确认的‘尾巴’。”
    麻烦接踵而至。但苏瑾知道,此刻不能有丝毫动摇。
    “通知许薇,我们会尽力。告诉‘渡鸦’,按最坏情况准备预案,确保陆、林二人绝对安全。所有行动,按原计划推进。距离总攻,还有不到十八小时。我们没有退路,必须在这铜墙铁壁上,凿出一个洞来,哪怕再小。”
    入侵的难度如同天堑,物理接入的必要性已毋庸置疑。但如何实现这致命的“物理接触”,成了横亘在“棋手”面前,最尖锐、也最无情的难题。希望如同格陵兰冰原上的极光,美丽而缥缈,在暴风雪再次来临前的短暂间隙里,微弱地闪烁着。
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