> For the complete documentation index, see [llms.txt](https://jackmeister.gitbook.io/zctf-writeups/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://jackmeister.gitbook.io/zctf-writeups/tryhackme/year-of-the-jellyfish.md).

# Year of the Jellyfish

Year of the jellyfish

Sunday, 23 May, 2021 1:33 AM

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![](https://2011733002-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FUXBmBmYDcC25imVwnzZE%2Fuploads%2FEbodWVSVQpI1P3VO1mMM%2F1?alt=media)

<figure><img src="https://2011733002-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FUXBmBmYDcC25imVwnzZE%2Fuploads%2FV1ZrPetnGt8sTxfHTgTs%2Fimage.png?alt=media&amp;token=2ff31418-12a9-4381-a962-318cd3fba313" alt=""><figcaption></figcaption></figure>

![](https://2011733002-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FUXBmBmYDcC25imVwnzZE%2Fuploads%2Fv7LnbzcFJIzZgDImF9Wu%2F2?alt=media) ![](https://2011733002-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FUXBmBmYDcC25imVwnzZE%2Fuploads%2F5gR50EB37f9DTBnA2tIW%2F3?alt=media)

The ip address redirect us to a domain named "robyns­petshop.thm" which does not exist , to gain access to the ip address , we need to go etc/hosts and add the domain name with the ip address

![](https://2011733002-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FUXBmBmYDcC25imVwnzZE%2Fuploads%2FIW8zetyrISdDqfwhM3Cu%2F6?alt=media)

![](https://2011733002-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FUXBmBmYDcC25imVwnzZE%2Fuploads%2F65YKEz6n0U108oxtFIoD%2F7?alt=media)

![](https://2011733002-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FUXBmBmYDcC25imVwnzZE%2Fuploads%2FDlZAc4YxtO9hxEfR6pIC%2F8?alt=media)

<figure><img src="https://2011733002-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FUXBmBmYDcC25imVwnzZE%2Fuploads%2FHdrU3IOA1YuF2luA1chK%2Fimage.png?alt=media&amp;token=03bea846-d819-4145-83cc-3c116dab3376" alt=""><figcaption></figcaption></figure>

<figure><img src="https://2011733002-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FUXBmBmYDcC25imVwnzZE%2Fuploads%2FtEEQL3XYFgjfUuG9Fk5D%2F10?alt=media" alt=""><figcaption></figcaption></figure>

![](https://2011733002-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FUXBmBmYDcC25imVwnzZE%2Fuploads%2FtRitiJNevKhT6wzvIHE2%2F11?alt=media) ![](https://2011733002-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FUXBmBmYDcC25imVwnzZE%2Fuploads%2FZjXka33bXrEUtIxjW38w%2F12?alt=media)

![](https://2011733002-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FUXBmBmYDcC25imVwnzZE%2Fuploads%2FemBmWhYPWEbw8U7I22Ao%2F13?alt=media)

![](https://2011733002-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FUXBmBmYDcC25imVwnzZE%2Fuploads%2F6L1wzGgP2WUhXkvTw1hP%2F14?alt=media)

Use port 443/80 for reverse shell , because it is more common , other ports maybe blocked by firewall

![](https://2011733002-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FUXBmBmYDcC25imVwnzZE%2Fuploads%2F84Qo0beJBLhW9GFWHsM6%2F15?alt=media)

![](https://2011733002-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FUXBmBmYDcC25imVwnzZE%2Fuploads%2F6rDzVR2UZxsCkBDh7Cv1%2F16?alt=media) ![](https://2011733002-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FUXBmBmYDcC25imVwnzZE%2Fuploads%2FKvj2eq6lsvDo24ae7Kzi%2F17?alt=media)