Android Security & Malware
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Mobile cybersecurity channel
Links: https://linktr.ee/mobilehacker
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Permhash: The permhash framework can be used to identify previously unknown APK, CRX, AXML samples through pivoting and clustering
Tool: https://github.com/google/permhash
Research: https://www.mandiant.com/resources/blog/permhash-no-curls-necessary
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Android apps containing spyware SpinOk module was discovered in 101 apps on Google Play Store with alltogether 421,000,000+ install
It can exfiltrate:
- list of files in specified directories,
- verify the presence of a specified file or a directory on the device,
- file from the device, and
- copy or substitute the clipboard contents
https://news.drweb.com/show/?lng=en&i=14705
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Crash WhatsApp using one message
Video demo how it is possible to crash group chat using one message. If you open the chat, WhatsApp will always crash.
βœ…οΈTo temporarily fix the issue, you have to remove the crash message using WhatsApp web
https://www.instagram.com/reel/Cs3iGe3ORuw/?igshid=MzRlODBiNWFlZA==
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Operation Triangulation: iOS devices targeted with previously unknown malware
This malware compromised several Kaspersky employees: The target iOS device receives a message via the iMessage service, with an attachment containing an exploit. Without any user interaction, the message triggers a vulnerability that leads to code execution.
https://securelist.com/operation-triangulation/109842/
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CVE-2023-20963: 0-day in Android's Parcel serialization/deserialization which was used in-the-wild by the Pinduoduo app
https://googleprojectzero.github.io/0days-in-the-wild//0day-RCAs/2023/CVE-2023-20963.html
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