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Date: Tue, 15 Jan 2008 00:52:23 +1300 From: Nick FitzGerald <nick@...us-l.demon.co.uk> To: Untitled <full-disclosure@...ts.grok.org.uk>, PenTest <pen-test@...urityfocus.com>, bugtraq@...urityfocus.com Subject: Re: what is this? 3APA3A wrote: > Dear crazy frog crazy frog, > > Clear your computer from trojan, change FTP password for you site > hosting access, because it's stolen, access your hosting account via > FTP and remove additional text (usually at the end of the file, after > </html>) from all HTML/PHP pages. Ummmm -- the only part of that likely to be relevant here is the last. These kinds of web page "compromises" are typically achieved through bad/ill-configured/non-updated server-side web applications (or their underlying script engines) and are typically achieved without requiring any more special or privileged access to the victim sites than the ability to run a clever Google search or your own brute-force spidering via a bot-net, etc. Of course, simply removing the undesired iframe/script/etc tags from your compromised pages is not enough. Although doing so does not mean that this attacker will come back, it equally does nothing to close the hole they used in the first place, and the next attacker searching for that hole will hit you just as easily and indiscriminately... Regards, Nick FitzGerald _______________________________________________ Full-Disclosure - We believe in it. Charter: http://lists.grok.org.uk/full-disclosure-charter.html Hosted and sponsored by Secunia - http://secunia.com/
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