In image exiftool -Comment='" system($_GET) ?>' lo.jpgĮxiftool is a great tool to view and manipulate exif-data. So it would look something like this: GIF89a
When your run the file as user, it will ask you for your sudo password to install the prerequisites djvulibre-bin and exiftool. incīasically you just add the text "GIF89a " before you shell-code. Change the IP and Port in the python file. It passed the filter and the file is executed as php.
We can rename our shell and upload it as. The ability to upload shells are often hindered by filters that try to filter out files that could potentially be malicious.
This can be abused byt just uploading a reverse shell. One common way to gain a shell is actually not really a vulnerability, but a feature! Often times it is possible to upload files to the webserver. Using this image file, we can try to hack a website.Common ports\/services and how to use themīroken Authentication or Session Managementĭefault Layout of Apache on Different Versions We have successfully hidden the malicious code in an image file. To do this, run this command: exiftool -documentname='' flower.jpg We can also set payload in the “Document Name” meta field. Now check metadata using exiftool flower.jpg command: Open terminal from your image file location and run this command: exiftool -comment='' flower.jpg flower.jpgīefore injecting malicious code, let’s take a look at the metadata of the image file. Exiftool is not installed by default on Kali Linux, so run a apt-get install exiftool if needed. It has a lot of options, but the one we’re the most interested in is updating the DocumentName field. Let’s take an image file to inject a payload. Exiftool is an open source program that can be used for manipulating image, audio, and video files. If you need help regarding installation, please comment below. Let’s see: Table of ContentsĪt first, we need to install ExifTool. Hello hackers, in this article I’m going to show how to hide a payload in an image file using ExifTool.
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