Search Results for "pixels"

...Modern browsers offer a wide range of features to improve and simplify the user experience. One of these features are the so-called favicons: A favicon is a small (usually 16×16 or 32×32 pixels) logo used by web browsers to brand a website in a recognizable way. Favicons are usually shown by most browsers in the address bar and next to the page's name in a list of bookmarks.

Invoke-PSImage is a PowerShell utility that hides, extracts, and optionally executes PowerShell payloads inside image files using simple steganography techniques. It can embed a script or binary blob into an image (commonly PNG or JPEG) and later recover that payload without leaving a separate file on disk, enabling in-memory execution workflows. The tool offers options for compression and encryption so the embedded content is both smaller and protected by a passphrase when required. It...

Thumbnail steganography creates a thumbnail from a source image and stores data in it by altering it's color channels. To decipher the data, a new thumbnail is made from the original image and the differences between the pixels are calculated.