Decrypt Weibo

***Click here to start decrypting censored weibos now***

Frequent Sina Weibo users will have no doubt seen this message before:

抱歉,此微博不适宜对外公开。如需帮助,请联系客服 .”

This message translates as:

“Sorry, this weibo is not suitable for the public. Please contact customer support for help.”  

“Not suitable for the public” is just an euphemism for censored. The weibo most frequently subjected to this kind of treatment focus on discussions of current and topical events.

Weibo users will see this message often when viewing their own timelines, conducting searches on Sina Weibo or when viewing someone’s profile page. The retweet of the censored weibo is however sometimes not censored. Weibo users are thus left with an intriguing comment but have no way to view the original weibo.

In an effort to solve this problem, Freeweibo.com is pleased to announce the launch of Decrypt Weibo which will make an effort to address this problem. Now, when Sina Weibo users stumble upon such messages, they can click the posted time on the lower left corner and obtain a link like http://www.weibo.com/2093591281/Ab4YMlFgS.

By copying and pasting the weibo URL on Decrypt Weibo Sina Weibo users can then decrypt the weibo and read the original censored message.

It takes a few seconds for FreeWeibo.com to decrypt the original message:


 

Sina Weibo users are used to seeing this “customer service” message and have accepted that censorship on Sina Weibo is occurring on a regular basis. Many users even developed the habit to save the disk to local computer first then retweet when seeing sensitive information. This is largely because they do not have any other recourse to view the censored information. With the launch of Decrypt Weibo, we have taken a big step forward in allowing Sina Weibo users the ability to read their timeline completely. No longer will Chinese internet users be left in the dark about what information has been censored on the country’s largest social network.

Given recent events surrounding Weibo big Vs practicing self-censorship, perhaps there will be less controversial content which needs to be censored. However, we also know that one message can make a big difference, and we are delighted to be able to provide Sina Weibo users with the ability to see this information whenever they want to.

***Click here to start decrypting censored weibos now***

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Sat, Apr 04, 2015

CNNIC censors news about their own statement

On April 1, 2015 Google announced that they will no longer recognize the CNNIC Root and EV (extensive validation) certificate authorities (CAs).

On April 2, 2015 Mozilla concluded that CNNIC’s behaviour in issuing an unconstrained intermediate certificate to another company was ‘egregious practice’ and that Mozilla products would no longer trust any certificate issued by CNNIC’s roots. Mozilla also published a more detailed report about their actions.

After unauthorized digital certificates for several Google domains were exposed by Google and Mozilla on March 23, 2015, CNNIC censored any mention of these posts. CNNIC is not only a certificate authority, they are also China’s online censorship apparatus. CNNIC was, is and will continue to practice internet censorship.

 

News about the April 1 and 2 annoucements has again been censored on social media and also on traditional media in China.

Below is a screenshot of Weibo posts about these announcements.

 

Tue, Mar 31, 2015

Chinese authorities compromise millions in cyberattacks

The Great Firewall has switched from being a passive, inbound filter to being an active and aggressive outbound one. This is a frightening development and the implications of this action extend beyond control of information on the internet. In one quick movement, the authorities have shifted from enforcing strict censorship in China to enforcing Chinese censorship on internet users worldwide.

Fri, Mar 27, 2015

CNNIC censored Google and Mozilla’s posts about CNNIC CA

This week, Google found unauthorized digital certificates for several Google domains, the root CA of which is CNNIC. Google and Mozilla both publicly disclosed this security incident and published blog posts(Google, Mozilla). However, Chinese translations of Google’s and Mozilla's blog posts were censored on the Chinese Internet.

  • William Long is a prominent Chinese blogger on IT and tech. He translated Google’s security post without adding any personal opinions. The Chinese blogpost ranked #1 when searching CNNIC MITM in Chinese on Google and Baidu. He tweeted that he received a phone call from propaganda department demanding the post to be removed immediately. The post http://www.williamlong.info/archives/4183.html was deleted. Google cache is still available.

Wed, Mar 25, 2015

Evidence shows CNNIC and CAC behind MITM attacks

Since 2013, we have repeatedly called on major software vendors to revoke CNNIC-issued certificates. Most notably, we raised this issue when we reported on the Cyberspace Administration of China’s (CAC) man-in-the-middle (MITM) attacks on Google, Microsoft’s Outlook, Apple, Yahoo and Github. Mainstream media have reported about these security vulnerabilities before and on March 24, Ars Technica reported on Google’s announcement that they have definitive evidence that CNNIC (China Internet Network Information Center) was behind a new MITM attack on Google.

From our October, 2014 blog post:

Thu, Mar 19, 2015

We are under attack

We are under attack and we need help.

Likely in response to a recent story in the Wall Street Journal (WSJ), we’ve experienced our first ever distributed denial of service (DDoS) attack. This tactic is used to bring down web pages by flooding them with lots of requests - at the time of writing they number 2.6 billion requests per hour. Websites are not equipped to handle that kind of volume so they usually “break” and go offline.

This kind of attack is aggressive and is an exhibition of censorship by brute force. Attackers resort to tactics like this when they are left with no other options.

We are not equipped to handle a DDoS attack of this magnitude and we need help. Some background:

  • The attack started on March 17 and we are receiving up to 2.6 billion requests per hour which is about 2500 times more than normal levels.

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