Download the attachment Cat.zip
Let’s unzip the file: unzip Cat.zip and use the password hackthebox as mentioned in HTB machine info
We get Cat.ab
Now see the filetype of cat.ab
So we have to decompress the file somehow.
To do so we can use the following command:
(printf “\x1f\x8b\x08\x00\x00\x00\x00\x00”; tail -c +25 cat.ab) | tar xvfz -
The folders apps and shared are created as a result
Let’s look at shared folder. We find a folder 0 in it. Let’s go there.
Using ls -a * we can see only Pictures folder contains some files.
Searching through the files we get a picture where the flag is present on a picture:
We have found the flag!
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