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rickybobby

For parsing DNS packets when you wanna Go fast!

"If you ain't first, you're last" - Ricky Bobby

Wanna Go Fast!

Installation

Dependencies

To run a pre-built binary, the only dependency is libpcap. If you're running on a Debian based distribution, you can install this with the following command:

sudo apt-get install libpcap

If you're planning on building from source, you will need a version of Go that supports Modules (Go 1.11+). See the Go Wiki page on Modules for more information.

Binaries

For installation instruction from binaries, please visit the Releases Page.

Via Go

You can use the Go tool to download and install the binary for you.

$ go get github.gatech.edu/clever3/rickybobby

Or you can manually clone the repository and build the binaries yourself.

$ git clone https://github.gatech.edu/clever3/rickybobby.git
$ cd rickybobby
$ go build && go install

Each of the above methods will install the rickybobby binary into $GOPATH/bin.

Usage

To view the help documentation for the application, you can simply call the application without any arguments.

$ rickybobby
NAME:
   rickybobby - Parsing DNS packets when you wanna GO fast!

USAGE:
   rickybobby [global options] command [command options] [arguments...]

VERSION:
   1.0.0

AUTHOR:
   Chaz Lever <chazlever@gatech.edu>

COMMANDS:
     pcap     read packets from a PCAP file
     live     read packets from a live interface
     help, h  Shows a list of commands or help for one command

GLOBAL OPTIONS:
   --tcp            attempt to parse TCP packets
   --questions      parse questions in addition to responses
   --questions-ecs  parse questions only if they contain ECS information
   --profile        toggle performance profiler
   --sensor value   name of sensor DNS traffic was collected from
   --source value   name of source DNS traffic was collected from
   --help, -h       show help
   --version, -v    print the version

The application is broken out into two different commands that affect where traffic is parsed from. More details on each of these commands is provided below.

Parsing PCAP File

To view the help documentation for the pcap command, invoke the application as follows:

$ rickybobby pcap -h
NAME:
   rickybobby pcap - read packets from a PCAP file

USAGE:
   rickybobby pcap [file...]

As shown above, the pcap command takes one more more arguments where each argument is simply a path to an uncompressed PCAP file. It is also possible to parse from STDIN by pass - as the filename.

The following shows an example of how you can parse a compressed PCAP using STDIN:

$ zcat compressed.pcap.gz | rickybobby pcap - 

Parsing Live Interface

To view the help documentation for the live command, invoke the applicatijon as follows:

$ rickybobby live -h
NAME:
   rickybobby live - read packets from a live interface

USAGE:
   rickybobby live [command options] [interface]

OPTIONS:
   --snaplen value  set snapshot length for PCAP collection (default: 4096)
   --promiscuous    set promiscuous mode for traffic collection
   --timeout value  set timeout value for traffic collection (default: 30)

As shown above, the live command accepts the name of an interface to parse from as its sole argument. There are also a number of command specific flags that can be set.

The following shows an example of how you can parse from eth0 in promiscuous mode.

$ rickybobby live --promiscuous eth0

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