NetworkMap

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post-exploitation network mapper

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Post-exploitation network mapping
=================================

The purpose of this tool is to produce a network diagram by collating network information gathered on remote hosts.

Example:

* Log on host A as any user
 * Dump some network information e.g. routing table, ARP table, traceroute
 * Feed the dumps to this tool
 * Go to another host
 * Dump network information

...rinse, repeat

* Ultimately, this tool produces a network diagram showing all hosts reachable
   from your compromised nodes.

Result (work in progress, but you get the idea):

![Sample screenshot](https://raw.githubusercontent.com/lorenzog/NetworkMap/master/simplenetwork.png)

Please note that this is WORK IN PROGRESS and it needs some work to parse e.g. routing tables, etc. If you feel like helping, please take a look [here](https://github.com/lorenzog/NetworkMap/issues?q=is%3Aissue+is%3Aopen+label%3A%22help+wanted%22)

Installation
------------

You'll need a fairly recent Python version with setuptools.

1. Set up a virtualenv:

virtualenv venv
        source venv/bin/activate

2. Install the required libraries:

pip install -r requirements.txt

Usage
-----

Run the tool passing the path of a network dump on the command line:

python networkmap samples/arp/windows_7_arp.txt

Then every subsequent run will grow the knowledge about the network (saved into the `networkmap.json` file).

# note that with traceroute you need to specify the IP of the host
    python networkmap samples/traceroute/linux_traceroute.txt --ip 1.2.3.4

#### How to see the result

Two methods:

1. Use the `-H` switch to automatically run Python's `SimpleHTTPServer` after each successful run (don't forget to point your browser to `http://localhost:8000`):

python networkmap samples/arp/linux_arp.txt --ip 1.2.3.4 -H

Or,

2. If you just want to serve the content of this directory use this command:

python -m SimpleHTTPServer

**WARNING** don't run the second method on an untrusted network as it will serve **the entire content of the local directory** to **ANYONE** as it listens to 0.0.0.0 rather than 127.0.0.1.

### Installing GraphViz

If you want to automatically generate graphs (by default: yes) then you'll need
pygraphviz installed. For debian-based systems:

apt-get install pkg-config libgraphviz-dev graphviz-dev graphviz libgraphviz

For RPM based systems:

yum install graphviz graphviz-devel

#### Weird errors when installing pygraphviz

##### Undefined symbol: Agundirected

If you get a similar error to this one on a Debian-based system:

File "/home/user/dev/NetworkMap/venv/local/lib/python2.7/site-packages/pygraphviz/graphviz.py", line 24, in swig_import_helper
     _mod = imp.load_module('_graphviz', fp, pathname, description)
     ImportError: /home/user/dev/NetworkMap/venv/local/lib/python2.7/site-packages/pygraphviz/_graphviz.so: undefined symbol: Agundirected

Then fix it like that:

pip uninstall graphviz
    pip install pygraphviz --install-option="--include-path=/usr/include/graphviz" --install-option="--library-path=/usr/lib/graphviz/"

Source: http://stackoverflow.com/questions/32885486/pygraphviz-importerror-undefined-symbol-agundirected

##### redhat-hardened-cc1 missing

If you get this error on a Fedora-based system:

gcc: error: /usr/lib/rpm/redhat/redhat-hardened-cc1: No such file or directory

You need to install redhat-rpm-config. Source: http://stackoverflow.com/a/34641068/204634

Possible alternatives
---------------------

P2NMAP (it's a book, comes with source code): https://python-forensics.org/p2nmap/

#### Future:

* Dump into Excel spreadsheet or SQL database?
 * Import into Microsoft Visio? https://support.office.com/en-gb/article/Create-a-detailed-network-diagram-by-using-external-data-in-Visio-Professional-1d43d1a0-e1ac-42bf-ad32-be436411dc08#bm2

Misc notes
----------

* Graphviz can also do clustering? http://www.graphviz.org/Gallery/undirected/gd_1994_2007.html
 * Graphviz and network maps (icons are a bit ugly tho): http://www.graphviz.org/Gallery/undirected/networkmap_twopi.html
 * For manual graphs (meh) - requires probably generating an output properly formatted like XML. Pain to maintain: https://community.spiceworks.com/topic/521280-i-need-software-that-make-my-whole-network-diagram-automatically

NetworkMap

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