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You are here: Home / News / Ransomware REvil tutup lagi setelah situs Tor dibajak

Ransomware REvil tutup lagi setelah situs Tor dibajak

October 18, 2021 by Winnie the Pooh

Operasi ransomware REvil kemungkinan telah ditutup sekali lagi setelah orang tak dikenal membajak portal pembayaran Tor dan blog kebocoran data mereka.

Situs Tor offline, dengan aktor ancaman yang berafiliasi dengan operasi REvil memposting ke forum peretasan XSS bahwa seseorang membajak domain geng.

Hal ini pertama kali ditemukan oleh Dmitry Smilyanets dari Recorded Future, dan menyatakan bahwa orang yang tidak dikenal membajak layanan tersembunyi Tor (domain onion) dengan kunci pribadi yang sama dengan situs Tor REvil dan kemungkinan memiliki cadangan situs tersebut.

Aktor ancaman mengatakan bahwa mereka tidak menemukan tanda-tanda kompromi ke server mereka tetapi akan mematikan operasi untuk sementara.

Pelaku ancaman kemudian mengatakan kepada afiliasi untuk menghubunginya untuk mendapatkan kunci dekripsi melalui Tox, kemungkinan agar afiliasi dapat terus memeras korban mereka dan memberikan dekripsi jika uang tebusan dibayarkan.

Untuk meluncurkan layanan tersembunyi Tor (domain .onion), Anda perlu membuat pasangan kunci privat dan publik, yang digunakan untuk menginisialisasi layanan.

Kunci pribadi harus diamankan dan hanya dapat diakses oleh admin tepercaya, karena siapa pun yang memiliki akses ke kunci ini dapat menggunakannya untuk meluncurkan layanan .onion yang sama di server mereka sendiri.

Karena pihak ketiga dapat membajak domain, itu berarti mereka juga memiliki akses ke kunci pribadi layanan tersembunyi.

Malam ini, 0_neday sekali lagi memposting ke topik forum peretasan, tetapi kali ini mengatakan bahwa server mereka telah disusupi dan bahwa siapa pun yang melakukannya menargetkan pelaku ancaman.

Saat ini, tidak diketahui siapa yang mengkompromikan server mereka.

Ketika Bitdefender dan penegak hukum memperoleh akses ke kunci master dekripsi REvil dan merilis dekripsi gratis, beberapa pelaku ancaman percaya bahwa FBI atau penegak hukum lainnya telah memiliki akses ke server sejak itu diluncurkan kembali.

Karena tidak ada yang tahu apa yang terjadi pada Unknown, ada kemungkinan juga pelaku ancaman mencoba untuk mendapatkan kembali kendali atas operasi tersebut.

Selengkapnya: Bleeping Computer

Tagged With: Cyber Threat Actor, Cybersecurity, Ransomware, REvil

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