Android Security & Malware
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Joker Trojan Family history by Google

-tracked since 2017
-removed 1.7K unique apps before going public
-SMS fraud then WAP billing (as we know Joker now)
-at peak, 23 different Jokers submitted in one day to Google Play
Memory corruption vulnerability in audio processing during a voice call in #WeChat app

Report includes PoC code + steps how to reproduce the bug
Vulnerability in Android OneDrive app allowed to bypass passcode or fingerprint
Chinese phone maker OPPO partners with #HackerOne to launch bug bounty program