Spam is nothing new, but a recent site we were reviewing was a bit different. After a bit of analysis, we found a file called tracks.php that was generating spam with the following code on it: <?php // Any reproduction of this document in part or in whole is strictly prohibited. For educational purposes only. […]
A few months ago we did a post about backdoors, explaining how they work and how to look for them. If you didn’t read it, take a read here:ASK Sucuri: What about the backdoors?However, we still see on online forums people recommending to search for “eval ( base64_decode” and things like that when searching for backdoors. If […]
We are seeing an interesting trend lately. A site gets compromised and starts to distribute malware to its users. The webmaster (owner of the site) searches everywhere for malicious strings, and can’t find anything. Where can it be hidden? It could be outside the root directory of your site. On many sites we analysed in […]
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