Backdoor.Win32.Mhtserv.b Missing Authentication

Backdoor.Win32.Mhtserv.b malware suffers from a missing authentication vulnerability.

MD5 | 85e523d3eb22be0386798576ad173264

Discovery / credits: Malvuln - (c) 2021
Original source:
Contact: [email protected]

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



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) (TM).

Related Posts