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You are here: Home / News / Malware Linux tersembunyi yang digunakan untuk sistem backdoor selama bertahun-tahun

Malware Linux tersembunyi yang digunakan untuk sistem backdoor selama bertahun-tahun

April 29, 2021 by Winnie the Pooh

Malware Linux yang baru-baru ini ditemukan dengan kemampuan backdoor telah berada di luar radar selama bertahun-tahun, memungkinkan penyerang untuk memanen dan mengekstrak informasi sensitif dari perangkat yang disusupi.

Backdoor, yang dijuluki RotaJakiro oleh para peneliti di Lab Penelitian Keamanan Jaringan Qihoo 360 (360 Netlab), tetap tidak terdeteksi oleh mesin anti-malware VirusTotal, meskipun sampel pertama kali diunggah pada tahun 2018.

RotaJakiro dirancang untuk beroperasi secara sembunyi-sembunyi, mengenkripsi saluran komunikasinya menggunakan kompresi ZLIB dan enkripsi AES, XOR, ROTATE.

Itu juga melakukan yang terbaik untuk memblokir analis malware agar tidak membedahnya karena informasi sumber daya yang ditemukan dalam sampel yang ditemukan oleh sistem BotMon 360 Netlab dienkripsi menggunakan algoritma AES.

Penyerang dapat menggunakan RotaJakiro untuk mengekstrak info sistem dan data sensitif, mengelola plugin dan file, dan menjalankan berbagai plugin pada perangkat Linux 64-bit yang disusupi.

Namun, 360 Netlab belum menemukan maksud sebenarnya pembuat malware untuk alat berbahaya mereka karena kurangnya visibilitas ketika datang ke plugin yang disebarkannya pada sistem yang terinfeksi.

Sejak 2018 ketika sampel RotaJakiro pertama mendarat di VirusTotal, 360 Netlab menemukan empat sampel berbeda yang diunggah antara Mei 2018 dan Januari 2021, semuanya dengan total nol deteksi yang mengesankan.

Peneliti 360 Netlab juga menemukan tautan ke botnet Torii IoT yang pertama kali ditemukan oleh pakar malware Vesselin Bontchev dan dianalisis oleh Tim Intelijen Ancaman Avast pada September 2018.

Selengkapnya: Bleeping Computer

Tagged With: Backdoor, Cybersecurity, Linux, Malware, RotaJakiro

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