fixin some readme

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bt3gl 2014-11-19 12:04:17 -05:00
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# SQL Injections
* A SQL query search can be easily manipulated and assume that a SQL query search is a reliable command. This means that SQL searches are capable of passing, unnoticed, by access control mechanisms.
* Using methods of diverting standard authentication and by checking the authorization credentials, you can gain access to important information stored in a database.
## Examples
* A parameter passed for a name of a user:
```
SELECT * FROM users WHERE
name="$name";
```
In this case, the attacker just needs to introduce a true logical expression like ```1=1```:
```
SELECT * FROM users WHERE 1=1;
```
So that the **WHERE** clause is always executed, which means that it will return the values that match to all users.
Nowadays it is estimated that less than 5% of the websites have this vulnerability.

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# Web Exploits
[My list of common web vulnerabilits.](http://bt3gl.github.io/a-list-of-common-web-vulnerabilities.html)
## OS Command Injection
---
## SQLi
- Brute force password
- Timed SQLi
- Cookie force brute
---
## PHP Shells
- php primer
- xor
- exploits
----
## Scanners
- heartbleed
-----
## User ID
- cookie auth
- user id
----
## Other Resources
#### When we have a Website/IP Address:
- Try to add folders to the domain, such as http://csaw2014.website.com or http://key.website.com.
- We brute force the subdomains, for example, with [subbrute.py]. This tool performs multi-threaded DNS lookups to a configurable list of DNS resolvers, searching through a list of possible subdomains.
- Use the command ```dig``` or ```ping``` in Linux to find the IP address of the website.
- *wgetting* the entire website with something like ```wget -e robots=off --tries=40 -r -H -l 4 <WEBSITE>```.
- Check the *robot.txt* file for hidden folders.
- Inspect the DOM using the browser's developer tools to look for HTML comments (plain view-source won't work when the content is loaded through Ajax).
-----
## URLs
#### Octal
- Example: http://017700000001 --> 127.0.0.1
- For example 206.191.158.50:
((206 * 256 + 191) * 256 + 158 ) * 256 + 50 = 3468664370.
Now, there is a further step that can make this address even more obscure. You can add to this dword number, any multiple of the quantity 4294967296 (2564)
#### Great @
-Everything between "http://" and "@" is completely irrelevant
```
http://doesn'tmatter@www.google.org
http://!$^&*()_+`-={}|[]:;@www.google.com
```
- @ symbol can be represented by its hex code %40
- dots are %2e
----
## HTTP
The first line of a request is modified to include protocol version information and it's followed by zero or more name:value pairs (headers):
- User-Agent: browser version information
- Host: URL hostanme
- Accept: supported MIME documents( such as text/plain or audio/MPEG)
- Accept-Language: supported language codes
- Referer: originating page for the request
The headers are terminated with a single empty line, which may be followerd by any payload the client wishes to pass to the server (the lenght should be specified with the Content-Length header). The payload is usually browser data, but there is no requirements.
-----
## Tools
- [Burp Suite]
- [FireBug] in Firefox
-----------------
[FireBug]: http://getfirebug.com/
[Burp Suite]: http://portswigger.net/burp/
[pngcheck]: http://www.libpng.org/pub/png/apps/pngcheck.html
[karmadecay]: http://karmadecay.com/
[tineye]: https://www.tineye.com/
[images.google.com]: https://images.google.com/?gws_rd=ssl
[base64 decoding]: http://www.motobit.com/util/base64-decoder-encoder.asp
[subbrute.py]: https://github.com/SparkleHearts/subbrute
[pnginfo]: http://www.stillhq.com/pngtools/
[namechk]: http://namechk.com