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Liferay Portal

Malware FreakOut mengeksploitasi bug penting untuk menginfeksi host Linux

January 20, 2021 by Winnie the Pooh

Kampanye berbahaya aktif saat ini menargetkan perangkat Linux yang menjalankan perangkat lunak dengan kerentanan kritis yang mendukung perangkat penyimpanan yang terpasang ke jaringan (NAS) atau untuk mengembangkan aplikasi web dan portal.

Tujuannya adalah untuk menginfeksi mesin dengan versi rentan dari sistem operasi TerraMaster yang populer, Zend Framework (Laminas Project), atau Liferay Portal dengan malware FreakOut, yang dapat membantu menyebarkan berbagai macam serangan siber.

Peneliti keamanan di Check Point menemukan serangan FreakOut dan mengatakan bahwa perangkat Linux yang terinfeksi bergabung dengan botnet yang dapat membantu menyebarkan serangan siber lainnya.

Mereka mengatakan bahwa controller dapat menggunakan mesin yang terinfeksi untuk menambang cryptocurrency, untuk menyebar secara lateral di seluruh jaringan perusahaan, atau untuk membidik target lain sambil menyamar sebagai perusahaan yang dikompromikan.

Malware FreakOut ini baru dan dapat berfungsi untuk pemindaian port, mengumpulkan informasi, network sniffing, atau meluncurkan serangan distributed denial-of-service (DDoS).

Rantai infeksi dimulai dengan mengeksploitasi salah satu dari tiga (CVE-2021-3007, CVE-2020-7961, CVE-2020-28188) kerentanan kritis dan berlanjut dengan mengunggah skrip Python (out.py) pada mesin yang disusupi.

Penyerang mencoba menjalankan skrip menggunakan Python 2, yang berakhir masa pakainya pada tahun 2020. Check Point percaya bahwa ini adalah indikasi pelaku ancaman dengan asumsi bahwa mesin yang disusupi sudah usang dan masih menginstal Python 2.

Sumber: BleepingComputer

Check Point menemukan serangan itu pada 8 Januari 2021, ketika mereka melihat skrip berbahaya sedang diunduh dari hxxp://gxbrowser[.]Net. Sejak itu para peneliti mengamati ratusan upaya untuk mengunduh kode tersebut.

Sumber: Bleeping Computer

Tagged With: Botnet, cryptocurrency, Cybersecurity, FreakOut, Liferay Portal, Linux, Malware, TerraMaster, Zend Framework

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