Backdoor.Win32.Hupigon.aspg malware suffers from an unquoted service path vulnerability.
887752ece5bea2b15b4d32426b1e97bffee8aa1a6842c8f917087432b7ff5e71Discovery / credits: Malvuln (John Page aka hyp3rlinx) (c) 2022
Original source: https://malvuln.com/advisory/121bf601275e2aed0c3a6fe7910f9826.txt
Contact: [email protected]
Media: twitter.com/malvuln
Threat: Backdoor.Win32.Hupigon.aspg
Vulnerability: Insecure Service Path
Description: The malware creates a service with an unquoted path. Attackers who can place an arbitrary executable named "Program.exe" under c:\ drive can potentially undermine the malware by having it run theirs instead with LocalSystem privs.
Family: Hupigon
Type: PE32
MD5: 121bf601275e2aed0c3a6fe7910f9826
Vuln ID: MVID-2022-0634
Disclosure: 09/06/2022
Exploit/PoC:
C:\dump>sc qc VServer_2007
[SC] QueryServiceConfig SUCCESS
SERVICE_NAME: VServer_2007
TYPE : 110 WIN32_OWN_PROCESS (interactive)
START_TYPE : 2 AUTO_START
ERROR_CONTROL : 0 IGNORE
BINARY_PATH_NAME : C:\Program Files\Common Files\Microsoft Shared\MSInfo\R_Server.exe
LOAD_ORDER_GROUP :
TAG : 0
DISPLAY_NAME : V_Server
DEPENDENCIES :
SERVICE_START_NAME : LocalSystem
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