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Questions on 'Remote Packet Capture Protocol' from Riverbed Technology, Inc.

Posted on 2016-09-18
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Last Modified: 2016-09-23
We were informed that the apps Rpcapd.exe in our Windows 10 should be disabled from msconfig.  In msconfig services tab, it's description is "Remote Packet Capture Protocol v.0 (experimental)" from the manufacturer "Riverbed Technology, Inc.".  A bit of googling we found that it's a file called Rpcapd.exe, used for capturing traffic when in remote and that it may be possible that is being used for keylogging.

Question:
What exactly is it?
Should we remove it?
What implication, if any,  is there if we "uncheck" it in services?

Thank you in advance.
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Question by:rayluvs
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btan earned 1200 total points
ID: 41803648
What exactly is it?
>>Normally it is associated with wireshark which is not common in an user machine, it sniff and capture traffic packet for the machine. Looks like it has become part of Win10. The "d" is a common Linux reference to daemons (process). More info

http://www.bleepingcomputer.com/startups/rpcapd.exe-7147.html


Should we remove it?
>it comes with the OS, I dont see the necessity but can disable the services. I do suspect it may be used by Windows for debug dump though it is not certain of its existence.

What implication, if any,  is there if we "uncheck" it in services?
>I do not foresee any impact as it is not a common usage for user. But good to test out in another test machine or even VM.
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by:John Hurst
John Hurst earned 800 total points
ID: 41803677
WinPCap (Riverbed) is not supported on Windows 10 and should not be used. Uninstall it.

Use Win10PCap instead. I have this and it installs properly. It supports the same functions as WinPCap.

http://www.win10pcap.org/
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by:btan
btan earned 1200 total points
ID: 41803691
in fact, the use or rpcapd (comes since Wireshark 1.6.2 and WinPcap 4.1.2) has not really been matured to be necessary. It can be used to capture traffic on the target remote machine (with WInPcap) by running Wireshark in your local computer - more details on the setup and testing http://www.marshalgraham.com/2011/10/remote-packet-captures-with-wireshark.html

If it is unnecessary esp it is not know how this appl get into your (local) machine then suggest remove it. Nonetheless, best to let the support team advice as it should not be only be particular to your machine, there maybe other Win10 machine if the team has this appl deployed to the users' machines.
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by:rayluvs
ID: 41803715
Thanx! Great info guys!
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Expert Comment

by:btan
ID: 41804046
As John shared, the supported Win10 pcap equivalent will have these system files wpcap.dll and drivers e.g. Win10Pcap.inf, Win10Pcap.sys and Win10Pcap.cat.
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