> For the complete documentation index, see [llms.txt](https://ravins-organization.gitbook.io/ctf-writeups/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://ravins-organization.gitbook.io/ctf-writeups/2024/huntress-ctf-2024/warmups/zulu.md).

# Zulu

Author: @JohnHammond  Did you know that zulu is part of the phonetic alphabet?

In this challenge I was given a file called zulu and it was very weird, so my first idea was to run the `file` command to see what would show up.

<figure><img src="https://175444261-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FyxEI13wXOyST4LLTOUiS%2Fuploads%2Fb5y1cAKzXEfuD3El0pvi%2Fimage.png?alt=media&amp;token=940d2bdd-87ef-4f75-b118-f22021b8c4ad" alt=""><figcaption></figcaption></figure>

From this we can see that its a `compress'd data 16 bits` file, which usually has the extension, `.z` . Thus by changing the extension to .z,&#x20;

<figure><img src="https://175444261-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FyxEI13wXOyST4LLTOUiS%2Fuploads%2Fifd36KtXijhe7k5lNQjT%2Fimage.png?alt=media&amp;token=490dd306-4518-40f1-85ce-aebbff713059" alt=""><figcaption><p>All files in zulu.z</p></figcaption></figure>

By accessing the file, we see

<figure><img src="https://175444261-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FyxEI13wXOyST4LLTOUiS%2Fuploads%2FhvqWmr7ctznhuHLlU4FT%2Fimage.png?alt=media&amp;token=8a9a8727-6a32-4a8d-b181-fd15d8148815" alt=""><figcaption><p>The flag</p></figcaption></figure>

Thus, the flag is `flag{74235a9216ee609538022e6689b4de5c}`