Update your metasploit instances to take advantage of the new "Reverse HTTP Hop Stager" for meterpreter payloads.  Because any day you can pivot is a good day, and if you can pivot through native web services, that's an awesome day!  Hop adds the ability to use any basic PHP host as a hop point for meterpreter by adding a new reverse_hop_http payload.

Details here ==> https://community.rapid7.com/community/metasploit/blog/2014/07/10/weekly-metasploit-update
Video here ==> http://youtu.be/FktILE206z0

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Rob VandenBrink
Metafore