13
Oct
2013

ebCTF: CRY100 “Classic”

We found some crypto ciphers on our attic. Can you decipher all text and put together the flag?

This challenge was meant to be a simple task, but which required a lot of work. It gave you six encrypted messages which you need to decrypt to get parts of the key .
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09
Jan
2012

GitS teaser 2012 – TeL aViv+

We have a file and the assignment to “get the password”. Ok, let’s see what kind of file it is:

$ file 7139a4ea239dcac655f7c38ca6a77b61.bin 
7139a4ea239dcac655f7c38ca6a77b61.bin: tcpdump capture file (little-endian) - version 2.4 (Ethernet, capture length 65535)

Looks like a packet forensics challenge!

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