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Forensics

스테가노

Anime is love

There is a zip file at end of jpg file (jpg file footer signature).

Fix the header signature.

it is encrypted. So, find password using ARCHRP with rockyou.txt which is dictionary file for dictionary attack.

 

flag.txt

it is pdf file

and it's locked.

good.


Telephone

github.com/ribt/dtmf-decoder

 

ribt/dtmf-decoder

Extract phone numbers from an audio recording of the dial tones. - ribt/dtmf-decoder

github.com

convert m4a to wav to use dtmf-decoder

 

hmm...


b1n4rY

bin to hex

make a file "a.data"

open with GIMP

scan it!

 


Web

Sanity Check 2

at ./

base64 -> ascii -> caesar cipher


C is hard

bof

ez

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