Sunday, 5 April 2015
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Commix Command Injection Exploiter To Test And Find Web Application Bugs

Commix Command Injection Exploiter To Test And Find Web Application Bugs.

Commix (short for [comm]and [i]njection e[x]ploiter) has a simple environment and it can be used, from web developers, penetration testers or even security researchers to test web applications with the view to find bugs, errors or vulnerabilities related to command injection attacks. 

By using this tool, it is very easy to find and exploit a command injection vulnerability in a certain vulnerable parameter or string. Commix is written in Python programming language.

Python version 2.6.x or 2.7.x is required for running this program.


Download commix by cloning the Git repository:

git clone commix


Usage: python [options]


-h, --help            Show help and exit.
--verbose             Enable the verbose mode.
--install             Install 'commix' to your system.
--version             Show version number and exit.
--update              Check for updates (apply if any) and exit.


This options has to be provided, to define the target URL.

--url=URL           Target URL.
--url-reload        Reload target URL after command execution.

These options can be used, to specify how to connect to the target

--host=HOST         HTTP Host header.
--referer=REFERER   HTTP Referer header.
--user-agent=AGENT  HTTP User-Agent header.
--cookie=COOKIE     HTTP Cookie header.
--headers=HEADERS   Extra headers (e.g. 'Header1:Value1\nHeader2:Value2').
--proxy=PROXY       Use a HTTP proxy (e.g. '').
--auth-url=AUTH_..  Login panel URL.
--auth-data=AUTH..  Login parameters and data.
--auth-cred=AUTH..  HTTP Basic Authentication credentials (e.g.


These options can be used, to specify which parameters to inject and
to provide custom injection payloads.

--data=DATA         POST data to inject (use 'INJECT_HERE' tag).
--suffix=SUFFIX     Injection payload suffix string.
--prefix=PREFIX     Injection payload prefix string.
--technique=TECH    Specify a certain injection technique : 'classic',
                    'eval-based', 'time-based' or 'file-based'.
--maxlen=MAXLEN     The length of the output on time-based technique
                    (Default: 10000 chars).
--delay=DELAY       Set Time-delay for time-based and file-based
                    techniques (Default: 1 sec).
--base64            Use Base64 (enc)/(de)code trick to prevent false-
                    positive results.
--tmp-path=TMP_P..  Set remote absolute path of temporary files directory.
--icmp-exfil=IP_..  Use the ICMP exfiltration technique (e.g.

The tool is only for testing and academic purposes and can only be used where strict consent has been given. Do not use it for illegal purposes!!



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