Small step for Microsoft - huge improvement for Chinese users

Skype.com is again redirecting users in China to websites controlled by Chinese companies. This time, however, all user calls, chats and login information are encrypted and being communicated directly to Microsoft via HTTPS. This is a complete about face for Microsoft from the Tom Skype era, when all information was processed by Tom and stored by Tom on servers located in China with absolutely no privacy controls in place.

We praise Microsoft for making this change. We hope this is a harbinger of change to come not just from Microsoft but from all major internet players. It appears that Microsoft is indeed fighting back against censorship in China. We have been very critical of Microsoft and Skype in the past but today we applaud this development.

We still want to ask Microsoft to explain the differences between the Chinese and international versions of Skype. Does the new China version of Skype have more surveillance capabilities than the global version? We would also like the company to reference the specific “Chinese regulations” that they plan on following with their new joint venture partner.

The newly launched joint GMF-Skype website offers a special Chinese version download  which was launched in a partnership with Guangming Founder (GMF).

This version is different from the international version of Skype that supports Chinese. The file is hosted by the Chinese joint venture partner in a server located in China. However, unlike its previous joint venture arrangement with Tom, it would appear that Microsoft has taken full control of the China version of Skype. The software is digitally signed by Microsoft, which means Microsoft and Microsoft alone is responsible for the software’s code. The Chinese authorities cannot provide counterfeit software to users in China.

 

Analysis of the current Chinese version of Skype 6.11.99.102

We’ve analyzed the communications the special Chinese clients make. All communications are outside of China and are located in Singapore, the U.S and Ireland. Tom Skype was notorious for monitoring chat history and uploading user information but it seems that with the current GMF-Skype version, there are no censored keywords.

 

 

A breakdown of Skype download urls appears below. The appendix “gmw” refers to the name of Microsoft’s joint venture partner on Skype. This, too, is a special version, numbered “6.11.99.455”. The China version of Skype for Windows users is hosted on the special GMF-Skype website for China.

 

OS Version Download Address
China Windows 6.11.99.102

http://skype.gmw.cn/software/SkypeSetupFull.6.11.99.102.exe

International Windows 6.11.0.102

http://www.skype.com/go/getskype

China Mac OS 6.11.99.455

http://www.skype.com/go/getskype-macosx-gmf

International Mac OS 6.11.59.455

http://www.skype.com/go/getskype-macosx

    

The GMF help center states that the GMF version of Skype offers end to end encryption. The policy is a direct translation of the Skype international privacy policy.

使用Skype 安全吗: 完全安全。Skype 采用了端对端的加密方式,保证信息的安全性. Skype在信息(语音、即时消息、文件)发送之前进行加密,在接收到的时候进行解密,即使在数据传输过程中需要经过其他节点进行中转,也完全没有可能在中途被窃听。

In the meantime, skype.tom.com changed its page title from “Skype简体中文版官方网站 (Official website of Skype Chinese version)”


to “Skype充值中心 (Skype Refill Center)”. The site does indeed offer pre-paid refill cards for Tom Skype.  


The only link Tom took down is the login page for Tom-Skype:

http://webcache.googleusercontent.com/search?q=cache:l_pObCn6T6YJ:skype....

as opposed to:

http://skype.tom.com/

The Tom Skype web site (skype.tom.com) is, at the time of publishing this story, not redirecting users or offering a link to the new version of Skype which suggests that Tom’s split with Microsoft was not amicable. We strongly suggest that all Tom Skype users immediately delete their current versions and upgrade to the new GMF-Skype. Microsoft should also make an effort to trumpet their newest version of Skype to users based in China.

 

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Thu, Feb 18, 2016

From the desk of Lu Wei: Apple, encryption and China

Lu Wei, Director of the Cyberspace Administration of China, offers some friendly help to FBI Director James Comey.

Thu, Sep 24, 2015

Apple blocked CNNIC CA months after MITM attacks

In March of this year, Google found unauthorized digital certificates for several Google domains. The root certificate authority for these domains was the China Internet Network Information Center (CNNIC). CNNIC was controlled by the Chinese government through the Ministry of Industry and Information Technology and is now under the management of the Cyberspace Administration of China (CAC). CNNIC was recognized by all major browsers as a trusted Certificate Authority. If CNNIC signs a fake certificate used in a man-in-the-middle attack, no browser will warn of any unusual activity unless the certificate is pinned.

Wed, Sep 23, 2015

Malicious Xcode could spread via download manager Xunlei

What’s at stake?

We reported last week that popular Chinese iOS apps were compromised in an unprecedented malware attack. We discovered that the source of the infection was compromised copies of Xcode hosted on Baidu Pan. Apple has published an article urging developers to download Xcode directly from the Mac App Store, or from the Apple Developer website and validate signatures. We’ve now discovered that even if a developer uses a download link seemingly from Apple, he might still be possible to obtain a compromised copy of Xcode.

Please note that we do not have evidence that such attacks has happened. But it is an easy attack that anyone can implement.

How does it work?

This compromise happened because of Xunlei. Xunlei is the most popular download manager in China. Much of its popularity is due to the fact they can accelerate download speeds by pulling resources from other Xunlei users as well as cached copies on the Xunlei server. All of this, however, is invisible to users. Users can simply enter a regular http download address into Xunlei  download manager and the download will start. Chinese developers were using direct download addresses such as http://adcdownload.apple.com/Developer_Tools/Xcode_7/Xcode_7.dmg to download Xcode.

Mon, Sep 21, 2015

中美互联网论坛回信

你们的公司有责任尊重人权,防止您的业务被侵犯。我们知道,中国是你们公司的一个重要市场,但恳请您在美国促进和保护人权的同时,也同样在中国致力于此。习主席的访问和美中互联网产业论坛是一个理想的机会,明确表示你的公司将会捍卫隐私权,反对成为监控同谋,将它们的强大在中国和美国一视同仁。

Sat, Sep 19, 2015

Popular Chinese iOS apps compromised in unprecedented malware attack

What happened?

According to recent reports, some versions of Xcode used by developers in China have been compromised and are being used to inject tracking codes in iOS apps without developer knowledge. (1,2). Unaware of the injection, those developers then released their compromised iOS apps to the App Store which were then later approved by Apple. At the time of writing this post, the compromised apps are still available in the App store. Any user who has installed and launched these compromised apps will be a victim of these tracking codes.

This is a significant compromise of Apple’s app store. Apple notoriously manually reviews all app submissions and, in comparison to Android stores, has been relatively malware-free. This is the most widespread and significant spread of malware in the history of the Apple app store, anywhere in the world.

The compromised version of Xcode was hosted on Baidu Pan. It is unlikely that Baidu was aware of the compromised version of Xcode. The company removed the files yesterday when news of the compromise surfaced. Because of slow download speeds from foreign websites in China, many Chinese developers prefer to download apps from domestic websites. Many Chinese also use download software like Xunlei, rather than downloading directly from the official Mac App Store.

According to users reports, many prominent Chinese apps are affected. We have included links to the compromised apps in the list below but DO NOT DOWNLOAD these apps. We are simply linking to them so that users can recognize the apps. Affected apps include:  

Wechat The most popolar messaging app in China 

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Comments

目前国际版的 Skype 最新版本好像是 6.11.59.102

http://www.skype.com/go/getskype-full 轻松下载国际版Skype独立安装程序,初装、升级都用它,哈哈。

http://www.skype.com/go/getskype-full 轻松下载国际版Skype独立安装程序,初装、升级都用它,哈哈。

http://www.skype.com/go/getskype-full 轻松下载国际版Skype独立安装程序,初装、升级都用它,哈哈。

http://www.skype.com/go/getskype-full 轻松下载国际版Skype独立安装程序,初装、升级都用它,哈哈。

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