How did my PHP site get hacked by code uploaded as image?

How did my PHP site get hacked by code uploaded as image?

The attack consisted of removing index files found in directories and replacing them with the attacker’s desired content: A black web page with the attacker’s code name, “iSKORPiTX (Turkish Hacker)”. This hack was massive across the internet and used a previously unknown vulnerability, limiting our ability in preventing it.”

How to exploit a PHP server with a.JPG file?

LFI: You may have a directory such as misc with subdirectories uploads and configs, where configs contains PHP files, and uploads contains the image uploads. Then you may have code such as include “misc/” . $filename.

Where can I find PHP code in image?

It’s a valid image file, but try opening the image using any text editor and you will find a php code inside it: For example, the image is uploaded to this location (www.mysite.com/uploads/picodes.jpg). Take note that folder uploads’ permission is 755.

Can you execute image files as PHP files?

Without some kind of vulnerability in the code itself, you can’t execute image files as PHP files, as any decent server would not allow this. Without knowing more about the code, we can’t do more than guess. If it’s supposed to be vulnerable on purpose, I would guess that the extension check is probably broken.

How does a hack on an image work?

Shah hides the malicious code within the image’s pixels, and unless somebody zoom a lot into it, the image looks just fine from the outside. Shah demonstrated to Lorenzo Franceschi of Motherboard exactly how his hack works.

How does a hacker hide code in an image?

Dubbed “Stegosploit,” the technique lets hackers hide malicious code inside the pixels of an image, hiding a malware exploit in plain sight to infect target victims.

Is there malicious code in a JPG file?

The malicious code, dubbed IMAJS, is a combination of both image code as well as JavaScript hidden into a JPG or PNG image file. Shah hides the malicious code within the image’s pixels, and unless somebody zoom a lot into it, the image looks just fine from the outside.