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You are here: Home / News / Malware BlackByte yang ‘Kikuk’ Menggunakan Kembali Kunci Crypto, Worms Ke Jaringan

Malware BlackByte yang ‘Kikuk’ Menggunakan Kembali Kunci Crypto, Worms Ke Jaringan

October 17, 2021 by Søren

Ransomware baru yang dijuluki BlackByte memiliki semua keunggulan dari upaya pengembangan pertama oleh pengembang malware amatir, membuat kesalahan signifikan — seperti mengaburkan kode dengan cara yang mudah dilewati dan menggunakan kunci enkripsi yang sama untuk setiap korban.

Malware ini memiliki beberapa kesamaan dengan ransomware lain yang terkait dengan Rusia, seperti menghindari sistem berbahasa Rusia dengan cara yang sama seperti REvil dan menggunakan eksploitasi jaringan untuk menyebar di dalam jaringan dengan cara yang sama seperti Ryuk, menurut para peneliti di Trustwave, yang menerbitkan analisis mereka. varian minggu ini.

Para peneliti, yang menemukan program jahat ketika menanggapi insiden keamanan, juga menemukan bahwa program tersebut menggunakan kunci enkripsi simetris yang diunduh dari server publik. Itu memungkinkan mereka untuk membuat utilitas dekripsi untuk membantu korban memulihkan data mereka.

Pilihan desain yang buruk itu menunjukkan bahwa ransomware bukanlah varian dari keluarga ransomware sebelumnya dan bahwa para pengembang relatif tidak berpengalaman dalam merancang ransomware, kata Karl Sigler, manajer riset keamanan senior di Trustwave.

“Sepertinya mereka menulis ini dari awal,” katanya. “Tapi itu kikuk. Ini sangat kikuk.”

Pertumbuhan serangan ransomware mungkin telah meyakinkan para pengembang di balik BlackByte untuk membuat kerangka kerja malware mereka sendiri, kata Sigler dari Trustwave.

Selengkapnya: Dark Reading

Tagged With: Malware, Ransomware

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