Restoring infected website from backup

bountysite

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#1
What process do you have in place to clean up your site, when infected?
You/provider would restore your site from backup. Say backup retention of 14days(which is more like an industry standard)

How do you know which day backup to restore site to?
How do you find that the current site version is clean?

What do you do after restoring site from backup?
 

Dr. McKay

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#2
What process do you have in place to clean up your site, when infected?
Download it to my PC and using a virus scanner to scan :)
You/provider would restore your site from backup. Say backup retention of 14days(which is more like an industry standard)
Schedule backup weekly automatically with your hosting control panel, if is has a feature for that.
How do you know which day backup to restore site to?
See information of a file, the day that it was created.
How do you find that the current site version is clean?
Is there a tool/way to check that?
What do you do after restoring site from backup?
Check database if it contains Base64 codes or some strange tables.
 

bountysite

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#3
Virus scanners are not best for web hosting related malwares.

Looking at malware file timestamp, site owner can find out which day backup to go back to. Ok
But how do you find the malware file?(which has not been detected by any of the existing av)

a) What if the malware has modified existing php file?

Lot of hard work:
- backing up site locally
- running AV
- finding malicious file
- reverting back site from backup
b) how long does restoring site take?

Usually, when you restore a site from backup, you expect a revision which is not infected.
You still have to investigate how the malware got in, at the first place, and how to defend in future.



Lets hear out more answers.
 
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