spybye

Langue: en

Version: 113637 (mandriva - 01/05/08)

Section: 1 (Commandes utilisateur)


BSD mandoc

NAME

spybye - a proxy to help finding malware

SYNOPSIS

crawl [-g good patterns ] [-b bad patterns ] [-p port ] [-l log file ] [-S shareing url ] [-P ] [-x ]

DESCRIPTION

The crawl tool provide a proxy server through which web pages can be fetched and analyzed for potentially dangerous includes. To use , you need to configure your web browser to use the port configured by -p as proxy port.

The options are as follows:

-b good patterns
A file or URL from which good patterns can be loaded. Any URL that maches a good pattern is declared harmless.
-b bad patterns
A file or URL from which bad patterns can be loaded. Any URL that matches a bad pattern is declared dangerous.
-p port
The port number under which crawl creates the proxy server. This is the port the web browser needs to contect to.
-l log file
A filename to which potentially dangerous site interactions are being logged.
-S share url
When crawl finds a dangerous URL, it can be reported to the provided URL. By default, this points to www.spybye.org This option can be disabled by providing an empty string.
-P
By default, crawl does not allow any fetches to private IP addresses. By specifying this option, web pages can be fetched from any IP address.
-x
Puts crawl into proxy mode. It's possible to browse the web normally, but crawl is going to disallow fetches it deems dangerous.

This tool is not very complicated and very straight forward. It uses the web browser to decode potentially obfuscated javascript and then traces all fetches the web browser makes. All URLs that have been classifies as dangerous are displayed in the overview page but the web broswer is denied access to them. For additional security, the referer header needs to match the already discovered URL space. Nonetheless, running crawl could potentially get your computer infected when visiting a dangerous web page. So, ideally, your web browser should run within a virtual machine.

AUTHORS

The crawl utility has been developed by Niels Provos.