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I have a domain in the format: example.com?host=http://anotherexample.com?bar=1

I want to attack the "bar" param, but sqlmap (correctly) parses the second url as a value of the foo param. Therefore I can't select the bar variable with the -p argument.

Any way around this?

In response to one answer, the resulting command is like so:

sqlmap -v -p user -u "example.com?host=?user=1" --prefix="http://anotherexample.com/debug"

This isn't valid, as the first param must be a ? for the url to be valid, and the remaining params but be &'s.

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  • you specify the parameter to attack as "user" but want to attack the parameter "host". If you change that, and set the prefix and suffix accordingly, it should work
    – Denis
    Commented Sep 27, 2018 at 14:57

1 Answer 1

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Use the sqlmap pre- and suffix options

Sqlmap offers the options "--prefix" and "suffix" that according to the manual

--prefix=PREFIX     Injection payload prefix string
--suffix=SUFFIX     Injection payload suffix string

can be used to prepend or append a string to the injection payload.

So if you run your query with:

python sqlmap.py -p host -u "example.com?host=" --prefix "http://anotherexample.com?bar=1" --suffix "&restoftheurl=whatever"

sqlmap should construct the parameter in the format you are looking for.

So for the example injection payload ' AND 7235=7235-- the options create a request to the url

example.com?host=http://anotherexample.com?bar=1' AND 7235=7235--&restoftheurl=whatever

(in the real request the special characters and spaces of the URL parameter will be URL encoded).

Note: You might need to URL encode the special characters in the pre- and suffix options.

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  • Unfortunately this doesn't work, I have updated my question with more information :D
    – Cathal
    Commented Sep 27, 2018 at 14:37

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