138 lines
1.7 KiB
Markdown
138 lines
1.7 KiB
Markdown
# Rate Limit Bypass
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## Using similar endpoints
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* If you are attacking the `/api/v3/sign-up` endpoint try to perform bruteforce to `/Sing-up`, `/SignUp`, `/singup`...
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* Also try appending to the original endpoint bytes like `%00`, `%0d%0a`, `%0d`, `%0a`, `%09`, `%0C`, `%20`
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## Blank chars in code/params
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Try adding some blank byte like:
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* `%00`
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* `%0d%0a`
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* `%0d`
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* `%0a`
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* `%09`
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* `%0C`
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* `%20`
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to the code and/or params.
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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...
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## Changing IP origin using headers
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```bash
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X-Originating-IP: 127.0.0.1
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X-Forwarded-For: 127.0.0.1
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X-Remote-IP: 127.0.0.1
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X-Remote-Addr: 127.0.0.1
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X-Client-IP: 127.0.0.1
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X-Host: 127.0.0.1
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X-Forwared-Host: 127.0.0.1
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# OR use double X-Forwared-For header
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X-Forwarded-For:
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X-Forwarded-For: 127.0.0.1
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```
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> If they are limiting to 10 tries per IP, every 10 tries change the IP inside the header.
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## Change other headers
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Try changing the `user-agent`, the `cookies`... anything that could be able to identify you.
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## Adding extra params to the path
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If the limit in the path `/resetpwd`, try BFing that path, and once the rate limit is reached try `/resetpwd?someparam=1`
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## Login in your account before each attempt
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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).
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