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DAP: The Data Analysis Pipeline

DAP was created to transform text-based data on the command-line, specializing in transforms that are annoying or difficult to do with existing tools.

DAP reads data using an input plugin, transforms it through a series of filters, and prints it out again using an output plugin. Every record is treated as a document (aka: hash/dict) and filters are used to reduce, expand, and transform these documents as they pass through. Think of DAP as a mashup between sed, awk, grep, csvtool, and jq, with map/reduce capabilities.

DAP was written to process terabyte-sized public scan datasets, such as those provided by https://scans.io/. Although DAP isn't particularly fast, it can be used across multiple cores (and machines) by splitting the input source and wrapping the execution with GNU Parallel.

Prerequisites

DAP depends on GeoIP (http://dev.maxmind.com/geoip/legacy/downloadable/) to be able to append geographic metadata to analyzed datasets. At least on Ubuntu, the libgeoip-dev package provides this capability.

Usage

See Samples

Quick Setup for GeoIP Lookups

$ git clone https://github.com/rapid7/dap.git
$ cd dap
$ gem install bundler
$ bundle install
$ sudo bash
# mkdir -p /var/lib/geoip && cd /var/lib/geoip && wget http://geolite.maxmind.com/download/geoip/database/GeoLiteCity.dat.gz && gunzip GeoLiteCity.dat.gz && mv GeoLiteCity.dat geoip.dat
$  echo 8.8.8.8 | bin/dap + lines + geo_ip line + json
{"line":"8.8.8.8","line.country_code":"US","line.country_code3":"USA","line.country_name":"United States","line.latitude":"38.0","line.longitude":"-97.0"}

Where dap gets fun is doing transforms, like just grabbing the country code:

$  echo 8.8.8.8 | bin/dap + lines + geo_ip line + select line.country_code3 + lines
USA

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Data Analysis Pipeline

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