Greasecarnaval

published: January 18th, 2007

What I like about Greasemonkey is that I can quickly add features to existing applications. I can also build new applications by mashing up existing ones. Thatâ€™s cool. People love user scripts. They are great. But will happen if you install a script that has been maliciously backdoored? Here is a POC that you can use with GNUCITIZEN Carnaval. Attach this script to the browser you want to take control of. Visit Carnavalâ€™s Backframe console. Command the browser.

http://www.gnucitizen.org/blog/greasecarnaval/greasecarnaval.user.js

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pagvac responds:

Although I haven’t tested it, I can see its power. I love simple yet effective tools like this. Nice one :-)

pdp responds:

This is how much it takes to backdoor a Greasemonkey script. That thing catches u on every site u go.

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