- Hiding text in pixels
- SSTV
- Example challenge writeup
- Zero width characters
- Zip files all the way down
- https://incoherency.co.uk/countdown/
- Solver - Solvers for the countdown letter and number games.
- https://georgeom.net/StegOnline/checklist
- Autopsy - Digital forensics platform
- bulk_extractor - Scans a disk image, a file, or a directory of files
- dc3dd - A patched version of GNU dd with added features for computer forensics
- DumpsterDiver - Analyze big volumes of various file types in search of hardcoded secrets
- Entropy - ent is a small, fast command line utility, plotting various entropy related metrics of files or pipe/stdin streams
- ExifTool - Read, Write and Edit Exif metadata
- Foremost - Restore files from their headers, footers and data structures
- frida-extract - Based RunPE extraction tool
- Kaitai - Reverse engineer different formats of files
- PdfParser - A standalone PHP library, provides various tools to extract data from a PDF file
- peepdf - Powerful Python tool to analyze PDF documents
- scalpel - Scalpel is an open source data carving tool.
- SSTV decoder
- volatility - Volatile memory extraction utility framework
- whatsapp-viewer - Small tool to display chats from the Android msgstore.db database
- zwfp - Zero-Width fingerprinting
- BEWGor - Bull's Eye Wordlist Generator
- bruteforce-wallet - Try to find the password of an encrypted Peercoin (or Bitcoin, Litecoin, etc...) wallet file
- chntpw - Utility to reset the password on Windows
- chromepass - View passwords stored by Google Chrome Web browser
- crowbar - Brute forcing tool
- cupp - Common User Passwords Profiler
- hashcat - Advanced Password Recovery
- Hob0Rules - Password cracking rules for Hashcat based on statistics and industry patterns
- John the Ripper - A fast password cracker
- John tutorial
- Another John tutorial
- KON-BOOT - Wim/Mac password breaker
- LaZagne - Credentials recovery project
- mimikatz - A little tool to play with Windows security
- passwordfox - Extract the user names/passwords stored in Firefox
- RarCrack - Crack .rar passwords
- SSH-Brute-Forcer - A Simple Multi-Threaded SSH Brute Forcer
- thc-hydra - Parallelized login cracker which supports numerous protocols to attack
- WCE - Windows Credentials Editor
- Print Watch - See what people printed
- https://0xrick.github.io/lists/stego/
- Chess Steganography
- spectrology - Images to audio files with corresponding spectrograms encoder.
- Stego Toolkit - Collection of steganography tools - helps with CTF challenges