Sounds pretty similar to tcprewrite, isn't it?

http://tcpreplay.synfin.net/wiki/tcprewrite

On Fri, Oct 30, 2015 at 1:14 AM, Bret Jordan <jordan2...@gmail.com> wrote:

> Dev list,
>
> I wrote a command line tool that you might want to include in the
> Wireshark bundle of command line tools.
>
> rewritecap is a tool for rebasing a PCAP file, editing layer2 and layer3
> addresses, and updating ARP packets. PCAP-ng files are not currently
> supported. This tool will accommodate 802.1Q tagged frames and
> Q-in-Q double tagged frames.
>
> The timestamp changes allow you to rebase the PCAP file to a new date
> without changing the actual time of day or the inter-frame gaps. You can
> also timeshift all of the packets by a value in +/-00h00m00s format.
> Multiple timeshifts can be specified at the same time by separating
> them with a comma, thus --time-shift=2h,-3m
>
> ./rewritecap --help
> ./rewritecap -f test.pcap -n test2.pacp -y 2016 -m 3 -d 10
> ./rewritecap -f test.pcap -n test2.pcap --ip4 10.0.2.32 --ip4-new 2.2.2.2
> --mac 68:A8:6D:18:36:92 --mac-new 22:33:44:55:66:77
> ./rewritecap -f test.pcap -n test2.pcap --time-shift=2h1m3s
> ./rewritecap -f test.pcap -n test2.pcap --time-shift=2h,-1m
>
> rebasecap is Apache 2.0 licensed and will compile to a static binary for
> Linux and Mac OS X.  It should also compile to a static binary for Windows
> but have not tested that.
>
> It is written in Go 1.5.  Code, install, and compile instructions can be
> found here:
>
> https://github.com/jordan2175/rewritecap
>
>
>
> Thanks,
> Bret
> PGP Fingerprint: 63B4 FC53 680A 6B7D 1447  F2C0 74F8 ACAE 7415 0050
> "Without cryptography vihv vivc ce xhrnrw, however, the only thing that
> can not be unscrambled is an egg."
>
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