Android Security & Malware – Telegram
Android Security & Malware
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In December 2022, Google discovered in-the-wild exploit chain targeting Samsung Android devices used by commercial mobile spyware vendor Variston.
It appears that n-day exploits that were fixed in Google products in 2022 (Chrome), were not fixed yet in Samsung (Samsung browser) and because of that exploited by espionage software in early exploitation stages.
Final stage, describes how attacker achieved execution as system_server (CVE-2023-0266, CVE-2023-26083)
https://googleprojectzero.blogspot.com/2023/09/analyzing-modern-in-wild-android-exploit.html
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NVIDIA GeForce Now for Android contains a vulnerability where a malicious application on the same device can process the implicit intent meant for the streamer component. A successful exploit of this vulnerability may lead to limited information disclosure, denial of service, and code execution (CVE‑2023‑31014)
https://nvidia.custhelp.com/app/answers/detail/a_id/5476
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Android banking trojan Zanubis, first appeared around August 2022, targeting financial institution and cryptocurrency exchange users in Peru
Zanubis’s main infection path is through impersonating legitimate Peruvian Android applications and then tricking the user into enabling the Accessibility permissions in order to take full control of the device
https://securelist.com/crimeware-report-asmcrypt-loader-lumma-stealer-zanubis-banker/110512/
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BADBOX: a firmware backdoored trojan found in 74,000 Chinese Android phones, tablets, and TV boxes in 227 counties and territories
There are confirmed 8 devices with backdoors installed — seven TV boxes, the T95, T95Z, T95MAX, X88, Q9, X12PLUS, and MXQ Pro 5G, and a tablet J5-W.
BADBOX functionality:
-Ad Fraud,
-Uses backdoored devices as proxy,
-Create fake accounts,
-Downloads and runs additional modules.
Report: https://www.humansecurity.com/hubfs/HUMAN_Report_BADBOX-and-PEACHPIT.pdf
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