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Browser Injection

Bagaimana geng malware Cina menipu pengguna Facebook

October 2, 2020 by Winnie the Pooh

Pada konferensi keamanan Virus Bulletin 2020, anggota tim keamanan Facebook telah mengungkapkan detail mengenai salah satu operasi malware paling canggih yang pernah menargetkan pengguna Facebook.

Dikenal sebagai SilentFade, geng malware ini aktif antara akhir 2018 dan Februari 2019, ketika tim keamanan Facebook mendeteksi keberadaan mereka dan turun tangan untuk menghentikan serangan mereka.

SilentFade menggunakan kombinasi trojan Windows, injeksi browser, scripting cerdik, dan bug di platform Facebook, menunjukkan modus operandi canggih yang jarang terlihat dengan geng malware yang menargetkan platform Facebook.

Tujuan operasi SilentFade adalah untuk menginfeksi pengguna dengan trojan, membajak browser pengguna, dan mencuri kata sandi dan cookie browser sehingga mereka dapat mengakses akun Facebook.

Setelah memiliki akses, grup tersebut menelusuri akun yang memiliki jenis metode pembayaran apa pun yang dilampirkan ke profil mereka. Untuk akun ini, SilentFade membeli iklan Facebook dengan dana korban.

Meskipun beroperasi hanya selama beberapa bulan, Facebook mengatakan grup tersebut berhasil menipu pengguna yang terinfeksi lebih dari $4 juta, yang mereka gunakan untuk memposting iklan Facebook berbahaya di seluruh jejaring sosial.

Geng malware ini menyebarkan versi modern SilentFade dengan menggabungkannya dengan perangkat lunak resmi yang mereka tawarkan untuk diunduh secara online.

Setelah pengguna terinfeksi, trojan SilentFade akan mengambil kendali atas komputer Windows korban, namun alih-alih menyalahgunakan sistem untuk operasi yang lebih mengganggu, malware hanya mengganti file DLL yang sah di dalam instalasi browser dengan versi jahat dari DLL yang sama yang memungkinkan geng SilentFade untuk mengontrol browser.

Browser yang ditargetkan termasuk Chrome, Firefox, Internet Explorer, Opera, Edge, Orbitum, Amigo, Touch, Kometa, dan Browser Yandex.

Facebook juga mengatakan SilentFade adalah bagian dari tren yang lebih besar dan generasi baru pelaku kejahatan siber yang tampaknya tinggal di China dan terus-menerus menargetkan platformnya.

Berita selengkapnya dapat dilihat di tautan di bawah ini;
Source: ZDNet

Tagged With: Browser Injection, Bug, Cybersecurity, Facebook, Malware, Security, SilentFade, Trojan, Windows

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