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Using similar endpoints

If you are attacking the /api/v3/sign-up endpoint try to perform bruteforce to /Sing-up, /SignUp, /singup...

Also try appending to the original endpoint bytes like %00, %0d%0a, %0d, %0a, %09, %0C, %20

Blank chars in code/params

Try adding some blank byte like %00, %0d%0a, %0d, %0a, %09, %0C, %20 to the code and/or params. For example code=1234%0a or if you are requesting a code for an email and you only have 5 tries, use the 5 tries for example@email.com, then for example@email.com%0a, then for example@email.com%0a%0a, and continue...

Changing IP origin using headers

X-Originating-IP: 127.0.0.1
X-Forwarded-For: 127.0.0.1
X-Remote-IP: 127.0.0.1
X-Remote-Addr: 127.0.0.1
X-Client-IP: 127.0.0.1
X-Host: 127.0.0.1
X-Forwared-Host: 127.0.0.1


#or use double X-Forwared-For header
X-Forwarded-For:
X-Forwarded-For: 127.0.0.1

If they are limiting to 10 tries per IP, every 10 tries change the IP inside the header.

Change other headers

Try changing the user-agent, the cookies... anything that could be able to identify you.

Adding extra params to the path

If the limit in in the path /resetpwd, try BFing that path, and once the rate limit is reached try /resetpwd?someparam=1

Login in your account before each attempt

Maybe if you login into your account before each attempt (or each set of X tries), the rate limit is restarted. If you are attacking a login functionality, you can do this in burp using a Pitchfork attack in setting your credentials every X tries (and marking follow redirects).

Support HackTricks and get benefits!

Do you work in a cybersecurity company? Do you want to see your company advertised in HackTricks? or do you want to have access the latest version of the PEASS or download HackTricks in PDF? Check the SUBSCRIPTION PLANS!

Discover The PEASS Family, our collection of exclusive NFTs

Get the official PEASS & HackTricks swag

Join the 💬 Discord group or the telegram group or follow me on Twitter 🐦@carlospolopm.

Share your hacking tricks submitting PRs to the hacktricks github repo.