Collaborate Disseminate
I found a jpeg image on a server that contained the string <?php. The server also hosts an application written in PHP. The contents of the image that come after the string <?php are non-ascii.
I’m unable to find anythi… Continue reading Can valid PHP be written and executed in non-ascii character encodings?
If you have your ear even slightly to the ground of the software community, you’ll have heard of Docker. Having recently enjoyed a tremendous rise in popularity, it continues to attract users at a rapid pace, including many global firms whose infrastructure depends on it. Part of Docker’s rise to fame can be attributed to its users becoming instant fans with evangelical tendencies.
But what’s behind the popularity, and how does it work? Let’s go through a conceptual introduction and then explore Docker with a bit of hands-on playing around.
Docker allows you to run software in …read more
Continue reading Intro to Docker: Why and How to Use Containers on Any System
I am trying to learn how JPG and PNG files can be used to get RCE. Below is my code for uploading files. It will check if the file content type is correct.
<?php
$test = array(‘image/jpeg’, ‘image/png’, ‘image/jpg’);
… Continue reading How exploiting RCE in jpg file actually works?
I wrote a JQuery tool to preview images before uploads.
User A clicks the explore button to select an image
selects it
a change-event displays the image
If user A selects a prepared SVG image as “greetings_ILL_xss_your_s… Continue reading Are there XSS vulnerabilities while image preview before uploading it?
I’ve sometimes heard/read that one of the ways to deal with embedded exploits (malware code built into the image encoding itself) is adding random noise to an image file, or resizing the image. Are any of these methods in fa… Continue reading Does adding random noise and/or resizing images help neutralize graphics files with embedded exploits
I allow users of my webapp to provide a URL for their own images. They can also provide CSS which may contain URLs to images.
If these URLs are HTTP then the browser does not show the padlock in the URL bar.
What is the best practice for… Continue reading How do I let users point to their own images, yet avoid Mixed Content warnings?
I’ve seen – http://stegosploit.info/ – it’s adding certain data.
I’m not that sophisticated, I just want to have in an image file:
file header
encrypted data
the image does not have to be real (could be the visual represen… Continue reading Is there a tool allowing me to store some encrypted data in an image file? [on hold]
Somebody told me it is possible to insert shellcode into an image or pdf file and execute the shellcode if the image or pdf file was opened. I know that this could be possible if the application (for example Adobe Reader) is … Continue reading Execute Shellcode embedded into a picture?
I am trying to steal cookies for learning purpose and for that I have setup an attacker server where my malicious website is running stealing cookies of users and it works when I visit like
http://192.168.8.102/cookiestealer… Continue reading Cookie stealing with Redirection
Diana Smith’s work is digital art on ultra-hard mode. Continue reading This Stunning Image Made With Pure Code Is Like a Mood Ring For Your Browser