curl http:/SERVER_IP:PORT/ | cURL GET request

curl -s http:/SERVER_IP:PORT/ -X POST | cURL POST request

curl -s http:/SERVER_IP:PORT/ -X POST -d "param1=sample" | cURL POST request with data

echo hackthebox | base64 base64 encode

echo ENCODED_B64 | base64 -d base64 decode

echo hackthebox | xxd -p hex encode

echo ENCODED_HEX | xxd -p -r hex decode

echo hackthebox | tr 'A-Za-z' 'N-ZA-Mn-za-m' rot13 encode

echo ENCODED_ROT13 | tr 'A-Za-z' 'N-ZA-Mn-za-m' rot13 decode

ctrl+u | Show HTML source code in Firefox

Deobfuscation Websites

Website

JS Console | https://jsconsole.com/

Prettier | https://prettier.io/playground/

Beautifier | https://beautifier.io/

JSNice | http://www.jsnice.org/