2024weight 24.77Z3r0_l0g0n
Z3R0 D4Y CTF
3 challenges with 3 published community solutions between them. Solution links go to CTFtime’s task page, which aggregates every writeup for a challenge - individual blog posts rot, the aggregator does not.
Full task list on CTFtimeSteganography2
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
- steganography
- forensic
- forensic+crypto
- stego
- steg
- forensics
Same technique in picoCTF: FindAndOpen, StegoRSA, Glory of the Garden
- steg
- forensics
- forensic
- steganography
Same technique in picoCTF: FindAndOpen, StegoRSA, Glory of the Garden
Forensics1
Recover something from a file, a capture, or a disk image - often from a part of it the format says is unused.
Solve it with:File type identifier by magic bytesMagic byte and file signature tablePCAP analyzer for CTF network forensicsEXIF metadata viewerLearn: File forensics and carvingLearn: Network forensics
- forensic+crypto
- forensic
- forensics
Same technique in picoCTF: FindAndOpen, c0rrupt, extensions