Cypher Anxiety

Challenge Information

• Category: Digital Forensics

• Level: easy

• Points: 50

description

An image was leaked from a babies store. the manager is so annoyed because he needs to identify the image to fire charges against the responsible employee. the key is the md5 of the image

Solution

after download the file unzip it and let’s see there is something hidden inside or not with strings tool

command : strings find\ the\ image.pcap | less

well we have hint tell us that the password description key is P@sswordaya and the port is 7070, okay now let's to open file in Wireshark and put search filtration (tcp.port==7070)

well , we'll follow this packet because his lenght , after open it and change show to raw he look this

now save it and go to your terminal for use netcat, okay open two tapes first type this command (nc localhost 7070 < cyber) and the second type this (cryptcat -l -k P@ssawordaya -p 7070 > cyber1) this credentials from strings output , after end use md5sum to show the flag

done 🎉