This got me curious, because root privileges aren't needed just to detect newly installed applications, so hooking play store to do this would be wild. I took a look on the Play Store and found this "battery saver" app published by ad-tech company TappX. https://play.google.com/store/apps/details?id=com.tappx.flipnsave.battery …https://twitter.com/nandoodles/status/1345790410673815553 …
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They tried to obfuscate whatever this class is doing and where the information is being sent by encrypting all of the strings constantspic.twitter.com/uSHLSNYzaK
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Looking at the decryption method, the keys were right there, so I just made my own copy of the entire class, because I didn't feel like reimplementing Java crypto weirdness in Python.pic.twitter.com/OaDHO0yl19
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I then used APKTool to grep for all instances where this method is used, extract the string constant passed to it from the smali source code and decrypt all of the strings.pic.twitter.com/OgWjg1Zi4i
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So, yeah. Someone is doing something shady here and went through some effort to (badly) hide it. APK for anyone who wants to take a look themselves: https://donk.sh/d/sr2qsok82k.apk …
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(i am having issues with my hosting provider so the link is unavailable atm. you can grab it yourself off apkpure)
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End of conversation
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Meiklejohnian absolutist. free speech as in free-for-everyone.
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