OSEC

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RE: phpBB Worm

From: Chris Ess (securityfocuscae.tokimi.net)
Date: Fri Dec 24 2004 - 22:49:47 CST


> eval{
> while(my a = getpwent()) { push(dirs, $a[7]);}
> };
>
> push(dirs, '/ ');

[...]

> Additionally, on Windows the worm would affect files on a single disk.

In generation 9 of the worm, there is the following code after what you
include:

        for my $l ('A' .. 'Z') {
                push(dirs, $l . ':');
        }

What I get out of this is that the worm should try iterating down every
available drive on a Windows server. I haven't tested this on a Windows
machine running ActivePerl yet though.

Sincerely,

Chris Ess
System Administrator / CDTT (Certified Duct Tape Technician)