2013from the authors’ own sites
Sherif CTF Qualifiers 2013
1 challenge with 1 published solution between them. CTFtime has no listing for this event at all, so nothing built on CTFtime can show what it was made of. These writeups were found on the authors’ own sites instead.
Where these writeups liveSteganography1
Find the payload hidden inside a carrier that looks ordinary. Bit planes, appended data, metadata, and audio spectrograms.
Solve it with:LSB steganography extractorPNG chunk analyzerAudio spectrogram and SSTV decoderZero-width character and text steganography decoderLearn: Steganography