Binary Anatomy of an 8-Bit Pixel
Every pixel in an 8-bit RGB image contains three channels: Red, Green, and Blue, with values ranging from 0 to 255 (binary 00000000 to 11111111).
The rightmost bit (Bit 0) is the Least Significant Bit. Altering Bit 0 only changes a pixel’s color brightness by 1/255th—an alteration completely invisible to the human eye.
By replacing Bit 0 across consecutive color channels, an author can encode 1 byte of ASCII text every 8 channel samples.
Extracting Sequential Payloads
Our steganography tool scans the LSB bitstream sequentially across Red, Green, and Blue channels, reconstructing raw bytes and isolating readable ASCII strings.
CTF challenges and stego communications often begin with identifiable prefixes like FLAG{ or http://, which are highlighted automatically by the scanner.