[ubuntu-uk] Automating find and replace

[Josh Holland]

Hi Gareth,



On Tue, 16 Sep 2014, at 09:56 PM, Gareth France wrote:

Eh?



Simon has given a quick account of the traditional Unix file
searching tools, grep, find and xargs (which isn't technically
a searching tool but is very often used with them). They are
very powerful, but take a good amount of practice to use most
effectively.



To be a little more helpful, could you perhaps give a quick
rundown of what you have to work with? If you have command line
access, it should be possible for someone on the list to help
walk you through using find etc. to track down the files which
have been compromised. Otherwise, it may be a little trickier,
but perhaps the easiest way might be to FTP (or however you
usually transfer) the files to your local machine, do the
command line trickery on that, and then re-upload the clean
files afterwards.



There is a small niggle at the back of my neck about never
trusting a compromised box, and of course you also will want to
track down the vulnerability that initially allowed the bad
guys in, else you'll just be back to square one before long!



Thanks,

Josh
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