Discovery / credits: Malvuln (John Page aka hyp3rlinx) (c) 2022  
Original source:  
Threat: Backdoor.Win32.Cabrotor.10.d  
Vulnerability: Unauthenticated Remote Command Execution   
Description: The malware listens on TCP port 1243. Attackers who can reach infected systems can issue commands made up of single characters E.g. sending 'Q' will terminate the backdoor. Executing wrong or unknown commands will result in the following server response "Comando desconocido".  
Family: Cabrotor  
Type: PE32  
MD5: 40acf109fa9621eae6930ef18f804909  
Vuln ID: MVID-2022-0612  
Disclosure: 06/06/2022  
C:\>python -c "print('Q')" | nc64.exe x.x.x.x 1243  
CaBroNaToR Server 1.0  
Conexion estableciada el dia 5/2/2022 a las 02:47:35 AM  
Fin de conexion - 02:47:35 AM  
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).