Core Insights - The article highlights the increasing frequency of cyberattacks by U.S. intelligence agencies targeting China's defense and military industry, posing significant threats to national security and research production safety [1][4]. Group 1: Cyberattack Incidents - A notable incident involved the exploitation of a zero-day vulnerability in Microsoft Exchange, where U.S. intelligence agencies controlled a major military enterprise's email server for nearly a year, compromising over 50 critical devices and establishing covert channels for data theft [1][2]. - Another incident targeted a communication and satellite internet military enterprise, where attackers used unauthorized access and SQL injection vulnerabilities to implant backdoor programs and malware, ultimately controlling over 300 devices and searching for sensitive military data [3]. Group 2: Attack Characteristics - The attackers employed multiple foreign IP addresses from countries such as Germany, Finland, South Korea, and Singapore to launch over 40 attacks, successfully stealing emails from 11 individuals, including high-ranking officials, related to military product designs and core system parameters [2][3]. - The attacks demonstrated advanced capabilities, including the use of log deletion, malware, and active monitoring of machine states to conceal their identities and intentions, indicating a high level of professionalism and strategic intent from state-sponsored hacker organizations [3][4]. Group 3: Overall Threat Landscape - In 2024 alone, there were over 600 cyberattack incidents against important Chinese entities, with the defense and military sector being the primary target, reflecting a systematic approach by U.S. intelligence-backed hacker groups [4].

Core Points - The article highlights the increasing cyber attacks by U.S. intelligence agencies targeting China's military and defense industry, particularly focusing on high-tech military universities, research institutions, and enterprises [1][3] - It details two significant incidents where U.S. intelligence utilized vulnerabilities in Microsoft Exchange and electronic file systems to infiltrate and control Chinese military enterprises, leading to data theft [2][3] Group 1: Cyber Attack Incidents - From July 2022 to July 2023, U.S. intelligence exploited a zero-day vulnerability in Microsoft Exchange to attack a major military enterprise, controlling its domain server and over 50 internal devices, while establishing covert channels for data theft [2] - The attackers used IP addresses from Germany, Finland, South Korea, and Singapore to launch over 40 attacks, stealing emails from 11 individuals, including high-level executives, related to military product designs and core parameters [2] - From July to November 2024, another attack targeted a military enterprise in the communication and satellite internet sector, utilizing unauthorized access and SQL injection vulnerabilities to implant backdoor programs and control over 300 devices [2] Group 2: Strategic Intent and Threat Assessment - The attacks reflect a strong strategic intent from state-level hacker organizations, with a focus on sensitive defense and military information [3] - In 2024, there were over 600 reported cyber attack incidents against important Chinese units, with the defense and military sector being the primary target [3] - U.S. intelligence-backed hacker organizations possess advanced capabilities and systematic attack frameworks, posing a significant threat to China's network security [3]

一、利用微软Exchange邮件系统零日漏洞实施攻击 2022年7月至2023年7月，美情报机构利用微软Exchange邮件系统零日漏洞，对我一家大型重要军工企业 的邮件服务器攻击并控制将近1年。经调查，攻击者控制了该企业的域控服务器，以域控服务器为跳 板，控制了内网中50余台重要设备，并在企业的某对外工作专用服务器中植入了建立websocket+SSH隧 道的攻击窃密武器，意图实现持久控制。同时，攻击者在该企业网络中构建了多条隐蔽通道进行数据窃 取。 期间，攻击者使用位于德国(159.69.*.*)、芬兰(95.216.*.*)、韩国(158.247.*.*)和新加坡(139.180.*.*)等多 个国家跳板IP，发起40余次网络攻击，窃取包括该企业高层在内11人的邮件，涉及我军工类产品的相关 设计方案、系统核心参数等内容。攻击者在该企业设备中植入的攻击武器，通过混淆来逃避安全软件的 监测，通过多层流量转发达到攻击内网重要设备目的，通过通用加密方式抹去了恶意通信流量特征。 国家互联网应急中心(CNCERT)监测发现，近年来，美国情报机构将网络攻击窃密的重点目标瞄准我高 科技军工类的高校、科研院所及企业，试图 ...

Group 1 - The article highlights the increasing threat posed by foreign intelligence agencies conducting cyber attacks and espionage against national security, emphasizing the need for vigilance [1] - It notes that various methods of cyber attacks are emerging, which further complicates the security landscape [1] Group 2 - The article does not provide any relevant content regarding companies or industries [2][3]