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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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    1. Elliot Alderson‏ @fs0c131y Jan 10

      Hi #Aadhaar 👋! Can we talk about the #BenefitsOfAadhaar for the #India population? I quickly check your #android app on the #playstore and you have some security issues...It's super easy to get the password of the local database for example...🤦‍♂️http://play.google.com/store/apps/details?id=in.gov.uidai.mAadhaarPlus …

      156 replies 2,176 retweets 1,889 likes
      Show this thread
    2. Elliot Alderson‏ @fs0c131y Jan 10

      The #Aadhaar #android app is saving your biometric settings in a local database which is protected with a password. To generate the password they used a random number with 123456789 as seed and a hardcoded string db_password_123 🤦‍♂️pic.twitter.com/Ty7cPmOjAb

      75 replies 1,177 retweets 1,001 likes
      Show this thread
    3. Elliot Alderson‏ @fs0c131y Jan 10

      It can be good also to remove the "developer" endpoint from the release apk...pic.twitter.com/3kNwIJUWRO

      9 replies 241 retweets 273 likes
      Show this thread
    4. Elliot Alderson‏ @fs0c131y Jan 10

      To be continued 😏

      4 replies 24 retweets 87 likes
      Show this thread
    5. Elliot Alderson‏ @fs0c131y Jan 10

      cc @AndroidAuth @AndroidPolice @androidcentral @androidandme @Androidheadline @xdadevelopers @AndroidSPIN @TheHackersNews @verge @CNET @VICE @WIRED @JAMESWT_MHT @malwrhunterteam @hackerfantastic @LukasStefanko @ANDROIDPIT @FigaroTech @virqdroid @twandroid

      1 reply 18 retweets 65 likes
      Show this thread
    6. Elliot Alderson‏ @fs0c131y Jan 10

      @reporteric @OmarBelkaab @OtaXou @gkallenborn @LucieRonfaut @LucieRonfaut @MishaalRahman @Numerama @bviglia @SriramVSharma @zpring @stshank @campuscodi @lilyhnewman

      4 replies 6 retweets 30 likes
      Show this thread
    7. Elliot Alderson‏ @fs0c131y Jan 10

      Woohoo! sounds like a lot of people are interested by #Aadhaar. I know what I will do during my flight now 😁

      8 replies 56 retweets 258 likes
      Show this thread
    8. Elliot Alderson‏ @fs0c131y Jan 11

      A lot of people asking me how bad is the generation of the local database password in the #Aadhaar #android #app. I published a small POC here: https://github.com/fs0c131y/AadhaarDatabasePasswordPOC … If you start the application multiple times you will see that the generated password are always the samepic.twitter.com/U5TRTHiWen

      5 replies 248 retweets 237 likes
      Show this thread
      Elliot Alderson‏ @fs0c131y Jan 11

      Storing data in a local database is a common practise in the #Android world. In the #Aadhaar #android app they store: - user password data (hash) - notification - Ki value - EKYC Profile Data - Biometric Prefs - Bio Lock Timeout - App Configurationpic.twitter.com/cCfaAKFVkB

      2:13 AM - 11 Jan 2018
      • 145 Retweets
      • 133 Likes
      • Chirag Kalra kim 👅 Deepankar Kapoor Ankit⚡️ Alex Earnshaw 👨🏻‍💻 Abul Faiz Cyril Sam Tech Viral #ModiLiesThenFlies
      7 replies 145 retweets 133 likes
        1. New conversation
        2. Elliot Alderson‏ @fs0c131y Jan 11

          According to the official documentation, https://aadhaarapi.com/aadhaar-response-format/ …, EKYC Profile Data contains the following data: - User_Id - Aadhar_Id - Name - Dob - Gender - Address - Photo - ...pic.twitter.com/x1TI9uXXTM

          7 replies 119 retweets 111 likes
          Show this thread
        3. Elliot Alderson‏ @fs0c131y Jan 11

          So @UIDAI you are storing a biometric data on the local database: the photo of the user.

          15 replies 131 retweets 161 likes
          Show this thread
        4. End of conversation
        1. New conversation
        2. Sushil K‏ @SKisContent Jan 11
          Replying to @fs0c131y

          Hi, where are you getting this source code?

          1 reply 0 retweets 0 likes
        3. Ankush J‏ @schwifty50 Jan 11
          Replying to @SKisContent @fs0c131y

          Decompilation

          1 reply 0 retweets 0 likes
        4. Sushil K‏ @SKisContent Jan 11
          Replying to @schwifty50 @fs0c131y

          Using what tools? Isn't the code obfuscated?

          1 reply 0 retweets 0 likes
        5. Ankush J‏ @schwifty50 Jan 11
          Replying to @SKisContent @fs0c131y

          Not sure about the tools being used specifically, but I highly doubt that obfuscation is being applied, so it should be straightforward. I also find the value of code obfuscation as a security practice questionable.

          1 reply 1 retweet 4 likes
        6. Sushil K‏ @SKisContent Jan 11
          Replying to @schwifty50 @fs0c131y

          I’m a little lost here. I have no experience with Android apps, but if it’s that easy to get to such high-level source code, wouldn’t people be ripping of app code left and right? I mean, how do you get camel-case symbol names?

          2 replies 0 retweets 1 like
        7. Ankush J‏ @schwifty50 Jan 11
          Replying to @SKisContent @fs0c131y

          I'm not familiar with Java/Android either, but I've done some decompilation work in C#, and apparently it's possible to reconstruct almost the original code in C#. It's not like C/C++ where most of the information is lost.

          1 reply 0 retweets 1 like
        8. Anoop S S‏ @_AnoopSS Jan 11
          Replying to @schwifty50 @SKisContent @fs0c131y

          It is really easy to get the java souce code if the build does not use obfuscation. Unzip the apk, you will get a file called classes.dex And there are so many free / open source online and stand alone dex to java decompilers.

          1 reply 0 retweets 4 likes
        9. Sushil K‏ @SKisContent Jan 11
          Replying to @_AnoopSS @schwifty50 @fs0c131y

          So I've been educating myself. However, I haven't been able to find any files that contain the generateDBPassword method mentioned earlier in this thread.

          0 replies 0 retweets 0 likes
        10. End of conversation
        1. Santosh  🌄 🌅 🙏 🌞 🙏 🌇  🙏Kagvate‏ @Santosh_10FIGNW Jan 11
          Replying to @fs0c131y @jamewils

          Santosh  🌄 🌅 🙏 🌞 🙏 🌇  🙏Kagvate Retweeted Elliot Alderson

          #vimp #wisdom #aadhar #statshttps://mobile.twitter.com/fs0c131y/status/951396546557435904 …

          Santosh  🌄 🌅 🙏 🌞 🙏 🌇  🙏Kagvate added,

          Elliot Alderson @fs0c131y
          Storing data in a local database is a common practise in the #Android world. In the #Aadhaar #android app they store: - user password data (hash) - notification - Ki value - EKYC Profile Data - Biometric Prefs - Bio Lock Timeout - App Configuration pic.twitter.com/cCfaAKFVkB
          Show this thread
          0 replies 0 retweets 1 like
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        1. New conversation
        2. Sambit‏ @SambitBiswas Jan 11
          Replying to @fs0c131y

          @Ratik96 what do you make of this thread?

          2 replies 0 retweets 0 likes
        3. Ratik Sharma‏ @Ratik96 Jan 11
          Replying to @SambitBiswas

          quite scary.

          0 replies 0 retweets 1 like
        4. End of conversation
        1. Hasim Tanderjawala‏ @Hasim751 Mar 18
          Replying to @fs0c131y

          Yes, I am agree that madhaar android app is not that much secure.. but attacker does not need to crack local db password to get user adhaar data because in here(India) he/she can get adhaar detail very easily.. Developers needs to secure server side..

          0 replies 0 retweets 0 likes
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        1. Delka‏ @Karimmature Jan 12
          Replying to @fs0c131y

          I don't understand, they didn't Dex'd their app??

          0 replies 0 retweets 0 likes
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        1. Anirban Sen‏ @AnirbanSen Jan 11
          Replying to @fs0c131y

          Havnt workd on Android,but how hard to de and re-compile the mAadhaar App & (i) use a non-registered phone,(ii) de-crypt the local database and upload it to 3rd party serves,(iii) get a third party app to specifically check if exist ==mAadhaar App and get all the info from there?

          0 replies 0 retweets 0 likes
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