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fs0c131y's profile
Elliot Alderson
Elliot Alderson
Elliot Alderson
@fs0c131y

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Elliot Alderson

@fs0c131y

French security researcher. Worst nightmare of Oneplus, Wiko, UIDAI, Kimbho and others. Not completely schizophrenic. Not related to USANetwork. DMs open.

Joined June 2015

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    Elliot Alderson‏ @fs0c131y Jan 25

    The @OnePlus #clipboard app contains a strange file called badword.txt 🤔 In these words, we can find: Chairman, Vice President, Deputy Director, Associate Professor, Deputy Heads, General, Private Message, shipping, Address, email, ... https://pastebin.com/kfvJWKJB pic.twitter.com/3dCh0joVkH

    12:44 PM - 25 Jan 2018
    • 1,425 Retweets
    • 1,459 Likes
    • Sergio sucinosequé Z.Lee Harsh Dave nxtperformancelabs Udey Rishi Kanu Deshpande Vladislav Raunak Kakade Audun Utengen
    87 replies 1,425 retweets 1,459 likes
      1. New conversation
      2. Elliot Alderson‏ @fs0c131y Jan 25

        This badword.txt is duplicated in a zip file called pattern. This archive contains 7 files: - badword.txt - brackets.txt - end.txt - follow.txt - key.txt - start.txtpic.twitter.com/pqJgdGJyuj

        2 replies 41 retweets 102 likes
        Show this thread
      3. Elliot Alderson‏ @fs0c131y Jan 25

        All these files are used in a obfuscated package which seems to be an #Android library from teddymobile

        1 reply 36 retweets 96 likes
        Show this thread
      4. Elliot Alderson‏ @fs0c131y Jan 25

        TeddyMobile is a Chinese company, they worked with a lot of manufacturers including @oppo. http://teddymobile.cn pic.twitter.com/A4SOJeqBw2

        6 replies 55 retweets 105 likes
        Show this thread
      5. Elliot Alderson‏ @fs0c131y Jan 25

        As far as I understand, teddymobile is making number identification in SMS The picture below can be translated like this: - Total number of SMS 20M+ - SMS identification accuracy 100% - Identification number recognition rate of 70% - recognition accuracy of 95%pic.twitter.com/KdQV4Zj1Xc

        5 replies 42 retweets 83 likes
        Show this thread
      6. Elliot Alderson‏ @fs0c131y Jan 25

        According to the code @OnePlus is sending your IMEI and the phone manufacturer to a Chinese server owned by teddymobile 😡pic.twitter.com/Au0u1sdpNi

        15 replies 442 retweets 398 likes
        Show this thread
      7. Elliot Alderson‏ @fs0c131y Jan 25

        In the TeddyMobile's package com.ted, they have a class called SysInfoUtil. This class contains the following methods: - getAndroidID - getCPUSerial - getDeviceId - getHardwareSerialNumber - getIMEI - getIPAddress - getMacAddress - getPhoneNumbe - getScreenPixelspic.twitter.com/9A8UhsOXae

        3 replies 55 retweets 121 likes
        Show this thread
      8. Elliot Alderson‏ @fs0c131y Jan 25

        Except getIPAddress and getScreenPixels, all the other methods are used. They also send JSON messages to their servers with a "telephone" and "messageText" fields...😡pic.twitter.com/vuteISH0Tj

        3 replies 56 retweets 131 likes
        Show this thread
      9. Elliot Alderson‏ @fs0c131y Jan 25

        This is a good reminder...Please don't copy paste your bank account number...TeddyMobile has a dedicated method to recognize a bank account...😡pic.twitter.com/U21J2jrXcN

        18 replies 321 retweets 413 likes
        Show this thread
      10. Elliot Alderson‏ @fs0c131y Jan 25

        I uploaded the @OnePlus #clipboard APK on @koodous_project https://koodous.com/apks/2f8a01035e0409d1a44c5d658bac0ba4e900df6f017556ce07b33a6c5c9ffa99 …

        4 replies 25 retweets 89 likes
        Show this thread
      11. Elliot Alderson‏ @fs0c131y Jan 25

        I didn't manage to trigger the network communications to the teddymobile servers but I will continue later. Moreover, I have other ideas in mind regarding this app 😉

        11 replies 15 retweets 145 likes
        Show this thread
      12. Elliot Alderson‏ @fs0c131y Jan 26

        After deeper investigation only a small part of the tedmobile sdk is used. In the ClipboardManager, in the verifyExpress method they used the method parserOnline. https://twitter.com/fs0c131y/status/956945666898628608 …pic.twitter.com/RckQB4JVf3

        1 reply 9 retweets 43 likes
        Show this thread
      13. Elliot Alderson‏ @fs0c131y Jan 26

        This parserOnline will send what you have in your clipboard to a teddymobile server in order to parse it. It important to say that this method is used only for Chinese users.pic.twitter.com/qrPuKSqdc6

        1 reply 28 retweets 60 likes
        Show this thread
      14. Elliot Alderson‏ @fs0c131y Jan 26

        So we can definitively say that clipboard data of @OnePlus Chinese users is send to teddymobile servers without their consent.

        5 replies 67 retweets 96 likes
        Show this thread
      15. Elliot Alderson‏ @fs0c131y Jan 26

        The conditions to send your data to teddymobile server are: - clip data is not numeric - not an email - Chinese @OnePlus phone - clipboard data matched the express pattern. It good to say that parserOnline method is used 3 times in the code, so this is only 1 of the 3 usecasespic.twitter.com/Rp9HvZTF48

        3 replies 36 retweets 61 likes
        Show this thread
      16. End of conversation
      1. New conversation
      2. Artem Russakovskii‏Verified account @ArtemR Jan 26
        Replying to @fs0c131y @oneplus

        I got a statement from @oneplus about this.

        2 replies 8 retweets 44 likes
      3. Artem Russakovskii‏Verified account @ArtemR Jan 26
        Replying to @ArtemR @fs0c131y @oneplus

        "There’s been a false claim that the Clipboard app has been sending user data to a server. The code is entirely inactive in the open beta for OxygenOS , our global operating system. No user data is being sent to any server without consent in OxygenOS."

        2 replies 6 retweets 33 likes
      4. Artem Russakovskii‏Verified account @ArtemR Jan 26
        Replying to @ArtemR @fs0c131y @oneplus

        "In the open beta for HydrogenOS, our operating system for the China market, the identified folder exists in order to filter out what data to not upload. Local data in this folder is skipped over and not sent to any server."

        3 replies 7 retweets 29 likes
      5. Elliot Alderson‏ @fs0c131y Jan 26
        Replying to @ArtemR @oneplus

        Interesting. Did they answer why they integrated the teddymobile SDK in the clipboard app even if it is inactive?

        1 reply 0 retweets 20 likes
      6. Artem Russakovskii‏Verified account @ArtemR Jan 26
        Replying to @fs0c131y @oneplus

        I'm asking them, but my guess is it's leftoever (and unused/inactive) code from the HydrogenOS version. Just because functions are there doesn't mean they're being used/called.

        3 replies 2 retweets 20 likes
      7. Elliot Alderson‏ @fs0c131y Jan 26
        Replying to @ArtemR @oneplus

        Sure, but it's mean they put effort to integrate this SDK, merge it in production and use it in the past.

        1 reply 0 retweets 17 likes
      8. Artem Russakovskii‏Verified account @ArtemR Jan 26
        Replying to @fs0c131y @oneplus

        They are using it. In HydrogenOS. But for the exact opposite reason you said - the bad words list is a blacklist of stuff not to send to the cloud. What is done in China is specific to the Chinese market, like it was shown with the previous clipboard "sending data" nonstory.

        2 replies 5 retweets 16 likes
      9. Elliot Alderson‏ @fs0c131y Jan 26
        Replying to @ArtemR @oneplus

        I did not said how they used this list :D. But it's good to have the official explanation. Sure it's specific to the Chinese market but we can talk about it no?

        2 replies 0 retweets 17 likes
      10. 3 more replies

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