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You are here: Home / News / Botnet DreamBus menargetkan aplikasi perusahaan yang berjalan di server Linux

Botnet DreamBus menargetkan aplikasi perusahaan yang berjalan di server Linux

January 27, 2021 by Winnie the Pooh

Kemungkinannya adalah jika Anda menggunakan server Linux secara online akhir-akhir ini dan Anda membiarkan kelemahan terkecil sekalipun, grup kejahatan siber akan menjeratnya sebagai bagian dari botnetnya. Ancaman terbaru ini bernama DreamBus.

Analisis dalam laporan yang diterbitkan minggu lalu oleh firma keamanan Zscaler, perusahaan tersebut mengatakan ancaman baru ini adalah varian dari botnet lama bernama SystemdMiner, yang pertama kali terlihat pada awal 2019.

Tapi versi DreamBus saat ini telah menerima beberapa perbaikan dibandingkan dengan penampakan SystemdMiner awal.

Saat ini, botnet menargetkan aplikasi tingkat perusahaan yang berjalan di sistem Linux. Target mencakup banyak koleksi aplikasi, seperti PostgreSQL, Redis, Hadoop YARN, Apache Spark, HashiCorp Consul, SaltStack, dan layanan SSH.

Beberapa dari aplikasi ini ditargetkan dengan serangan brute force terhadap nama pengguna administrator default mereka, yang lain dengan perintah jahat yang dikirim ke endpoint API yang terbuka, atau melalui eksploitasi untuk kerentanan yang lebih lama.

Idenya adalah untuk memberi geng DreamBus pijakan di server Linux di mana mereka nantinya dapat mengunduh dan menginstal aplikasi sumber terbuka yang menambang cryptocurrency Monero (XMR) untuk menghasilkan keuntungan bagi para penyerang.

Zscaler juga mengatakan bahwa DreamBus menggunakan beberapa tindakan untuk mencegah deteksi yang mudah. Salah satunya adalah bahwa semua sistem yang terinfeksi malware dikomunikasikan dengan server command and control (C&C) botnet melalui protokol DNS-over-HTTPS (DoH) yang baru. Malware berkemampuan DoH sangat jarang, karena rumit untuk disiapkan.

Selengkapnya: ZDNet

Tagged With: Botnet DreamBus, Cryptocurrency Miner, Cybersecurity, Linux, Security

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