Can anyone (from China) identify these Messaging services? imsg <--... qg <--... qqmesg. <-- https://www.imqq.com/ wwmsg <--... wxmsg <--... yymsg <--... In China, they have a surveillance program on social networks which looks like a jerry-rigged PRISM clone of the NSA.
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Daily roughly 1 billion private messages get selected & routed to the closest "operator" based on geolocation. It's fascinating how quickly new monitoring solutions are deployed in the same way as the old ones were discovered & taken down. Country-based filtering for "protection"pic.twitter.com/Cm5HtR5PSk
10 replies 53 proslijeđena tweeta 140 korisnika označava da im se sviđaPrikaži ovu nit -
What we have learned from 1.081.231.257 "captured" WeChat dialogues ( 3,784,309,399 messages) made on the 18 March 2019 is that were automatically selected for "reviewing" based on a "keyword" trigger. Not all the dialogues were in Chinese or only had GPS coordinates in China.pic.twitter.com/4eyYgCXD3C
49 proslijeđenih tweetova 88 korisnika označava da im se sviđaPrikaži ovu nit -
From 3.784.309.399 messages, 3.698.798.784 were written in Chinese. 59.378.236 in English and 26.132.379 in another language. 98% of the Chinese messages had a GPS location in China. 68% of the English messages were sent in China. More than 19 million were sent from outside
pic.twitter.com/Va8Lfk3dnw
12 replies 85 proslijeđenih tweetova 180 korisnika označava da im se sviđaPrikaži ovu nit -
We were able to detect a patron of a little bit more than 800 Chinese keywords (combinations) which would be the selection criteria for having the entire WeChat dialogue being stored in this database for further "analysis" by most likely a law enforcement.pic.twitter.com/VCvHp2pSyD
39 replies 393 proslijeđena tweeta 705 korisnika označava da im se sviđaPrikaži ovu nit -
We could build a "dictionary" of 829 keywords (combinations) based on the intercepted WeChat messages which were written in English. I was a bit surprised to see my full name "Victor Gevers" in this generated English list. 维克多 葛弗斯 was not in the Chinese keyword list.pic.twitter.com/j9NDhqNpmk
14 replies 75 proslijeđenih tweetova 201 korisnik označava da mu se sviđaPrikaži ovu nit -
Using these keywords will not get your account locked. But I you try to send your contact a few messages contains a few hundred of these words then you need to “unblock” your account after a few minutes.pic.twitter.com/KwvopraiQQ – mjesto: Hong Kong
9 replies 51 proslijeđeni tweet 125 korisnika označava da im se sviđaPrikaži ovu nit -
Based on the 3,784,309,399 WeChat messages we tried to build a "keyword trigger list" with NLP tools which possibly triggered the automatic selection criteria for having the entire conversation being stored for review. Image: https://i.imgur.com/PWNQEpe.png Text: https://pastebin.com/raw/LCPyenzC pic.twitter.com/0H8r1N1jBH
27 replies 294 proslijeđena tweeta 441 korisnik označava da mu se sviđaPrikaži ovu nit -
Odgovor korisniku/ci @0xDUDE
Great job. As a MMO game (which has an embedded chat system) developer a few years ago, I got access to a keyword list which is fucking amazing. And later when I joined another project, I found the list had grown more greater, including regular expressions.
1 reply 0 proslijeđenih tweetova 3 korisnika označavaju da im se sviđa
To get a better understanding of which regular expressions are used would be very interesting. For now, we assume they are also doing a simple scoring based on the number of keywords, but the weight per keyword is still an estimation based on the number of repetitions.
Čini se da učitavanje traje već neko vrijeme.
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