
Steganography
Least Significant Bit Steganography for bitmap images (.bmp and .png), WAV sound files, and byte sequences. Simple LSB Steganalysis (LSB extraction)…

Least Significant Bit Steganography for bitmap images (.bmp and .png), WAV sound files, and byte sequences. Simple LSB Steganalysis (LSB extraction)…

OpenStego is a steganography application that provides two functionalities: a) Data Hiding: It can hide any data within an image file. b)…

Repository to index useful tools for CTF's

AI audio watermark removal & forensic anti-attribution toolkit. Neutralizes Suno, Udio, and neural fingerprints with ISO 226 perceptual masking.

A list of Capture The Flag (CTF) frameworks, libraries, resources and software for started/experienced CTF players 🚩

A fur-ociously secure encryption tool that encodes your secrets as adorable cat and dog sounds, using real elliptic curve cryptography with a playful…

Steganographic online codec allows you to hide a password encrypted message within the images & photos using AES encryption algorithm with a 256-bit…

Multi-module offensive security toolkit for SOCKS5 proxy chaining, port scanning, DNS enumeration, hash cracking, reverse shell generation,…

PacketWhisper: Stealthily exfiltrate data and defeat attribution using DNS queries and text-based steganography. Avoid the problems associated with…

Embed multiple secret messages in LLM chat token choices using arithmetic/Discop steganographic coders, with bit-exact decoding and steganalysis…

Evades LLM text watermarks by injecting Unicode variation selectors; includes the SynthID generator, mean-g detector, normalization defenses, and…

Steganography tool that hides and extracts confidential data in JPEG, BMP, WAV, and AU files with optional compression, encryption, and integrity…

Hide secrets with invisible characters in plain text securely using passwords 🧙🏻♂️⭐

A list of covert channels and steganography/steganalysis resources (books, papers & tools)


reverse engineering Gemini's SynthID detection

A list of tools and material on steganography and information hiding

Writeup for the DEF CON 30 badge challenge