-2
votes
0answers
62 views

Is a PHP malicious code running behinde this page? [on hold]

Let us visit a website. Is there a way to detect that a given PHP page on it hides is running a malicious code ? I ask this from a programming point of view because I want to develop a PHP script ...
2
votes
1answer
301 views

Bot detection ideas [php]

I am looking for bot detection ideas. I don't mind bots crawling my site, that's cool, the problem is when they start posting stuff. I recently had to erase 400 accounts because of a bad boy like ...
21
votes
4answers
8k views

How do you know your server has been compromised?

I recently helped a client who had their server hacked. The hackers added some PHP code into the header of the homepage redirecting the user to a porn website — but only if they came from Google. This ...