Share
## https://sploitus.com/exploit?id=PACKETSTORM:161191
Discovery / credits: Malvuln - malvuln.com (c) 2021  
Original source: https://malvuln.com/advisory/0ba104d752eb63194c356c309196c710.txt  
Contact: malvuln13@gmail.com  
Media: twitter.com/malvuln  
  
Threat: Backdoor.Win32.Mhtserv.b  
Vulnerability: Missing Authentication  
Description: Mhtserv.b listens on TCP port 1043, apparently there is no authentication required to access this backdoor. Accessing the backdoor using telnet you are greeted with a "Command" prompt, issuing a lowercase "L" char will get you a dir listing of system32.  
Type: PE32  
MD5: 0ba104d752eb63194c356c309196c710  
Vuln ID: MVID-2021-0059  
Disclosure: 01/28/2021   
  
Exploit/PoC:  
TELNET [MALWARE_HOST_IP] 1043  
  
Command>  
  
  
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).