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TangleBot

Malware baru memanfaatkan COVID-19 untuk menargetkan pengguna Android

September 24, 2021 by Winnie the Pooh

Bentuk baru malware yang oleh para ahli disebut sebagai “TangleBot” mengandalkan minat pada COVID-19 untuk mengelabui pengguna Android di AS dan Kanada agar mengklik tautan yang akan menginfeksi ponsel mereka, menurut analis di ponsel dan perusahaan keamanan email Cloudmark.

Cloudmark mengatakan malware “pintar dan rumit” mengirim pesan teks kepada pengguna Android yang mengklaim memiliki panduan COVID-19 terbaru di wilayah mereka atau memberi tahu mereka bahwa janji temu vaksin COVID-19 ketiga mereka telah dijadwalkan.

Ketika pengguna mengklik tautan yang disediakan, mereka diminta untuk memperbarui pemutar Adobe Flash ponsel mereka, yang sebaliknya menginstal virus di ponsel mereka, menurut Cloudmark.

“Setelah itu terjadi, malware TangleBot dapat melakukan banyak hal berbeda,” Ryan Kalember, wakil presiden eksekutif keamanan siber di perusahaan induk Cloudmark, ProofPoint, mengatakan kepada CBS News.

“Itu bisa mengakses mikrofon, kamera, SMS, log panggilan, internet, dan GPS Anda sehingga ia tahu di mana Anda berada,” tambah Kalember.

Kalember mengatakan para peretas telah menggunakan TangleBot selama “berminggu-minggu” dan dampaknya berpotensi “sangat luas.” Namun, Android memang memiliki beberapa perlindungan terhadap virus. Sebelum mengunduh malware, pengguna diperingatkan oleh Android tentang bahayanya menginstal perangkat lunak dari “sumber tidak dikenal” dan serangkaian kotak izin ditampilkan sebelum ponsel terinfeksi.

Menurut Kalember, malware TangleBot memiliki kemampuan untuk menunjukkan kepada pengguna yang diretas sebuah layar “overlay” yang tampak asli tetapi malah merupakan jendela palsu yang dijalankan oleh penyerang untuk mencuri informasi.

Overlays ini digunakan untuk meretas kredensial perbankan karena pengguna mungkin percaya bahwa mereka masuk ke perbankan seluler mereka saat mengetik informasi mereka di layar palsu, yang kemudian menyampaikan informasi tersebut ke peretas.

Setelah malware diinstal pada perangkat, “cukup sulit untuk menghapusnya,” menurut Kalember dan informasi yang dicuri dapat dimonetisasi dengan baik di masa depan.

Sumber: CBS News

Tagged With: Android, Cybersecurity, Malware, Mobile Security, TangleBot

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