Damn Small SQLi Scanner 
Damn Small SQLi Scanner (DSSS) is a fully functional SQL injection vulnerability scanner (supporting GET and POST parameters) written in under 100 lines of code.
As of optional settings it supports HTTP proxy together with HTTP header values User-Agent, Referer and Cookie.
Sample runs
$ python dsss.py -h
Damn Small SQLi Scanner (DSSS) < 100 LoC (Lines of Code) #v0.2o
by: Miroslav Stampar (@stamparm)
Usage: dsss.py [options]
Options:
--version show program's version number and exit
-h, --help show this help message and exit
-u URL, --url=URL Target URL (e.g. "http://www.target.com/page.php?id=1")
--data=DATA POST data (e.g. "query=test")
--cookie=COOKIE HTTP Cookie header value
--user-agent=UA HTTP User-Agent header value
--referer=REFERER HTTP Referer header value
--proxy=PROXY HTTP proxy address (e.g. "http://127.0.0.1:8080")
$ python dsss.py -u "http://testphp.vulnweb.com/artists.php?artist=1"
Damn Small SQLi Scanner (DSSS) < 100 LoC (Lines of Code) #v0.2o
by: Miroslav Stampar (@stamparm)
* scanning GET parameter 'artist'
(i) GET parameter 'artist' could be error SQLi vulnerable (MySQL)
(i) GET parameter 'artist' appears to be blind SQLi vulnerable (e.g.: 'http://t
estphp.vulnweb.com/artists.php?artist=1%20AND%2061%3E60')
scan results: possible vulnerabilities found
Requirements
Python version 2.6.x or 2.7.x is required for running this program.