https://www.zscaler.com/blogs/security-research/blacksheep-tool-detect-firesheep
UPDATE: see the requirements for the extension at the end of the post UPDATE: an new version is available UPDATE: BlackSheep for Linux is available here
blacksheeptooldetectfiresheepzscaler
https://www.geeky-gadgets.com/firesheep-firefox-extension-lets-you-easily-hack-twitter-and-facebook-accounts-25-10-2010/
Developer Eric Butler has has created a new Firefox extension called Firesheep that allows anyone to download and start eavesdropping on any open Wi-Fi network...
firefox extensionfiresheepletseasilyhack
https://www.helpnetsecurity.com/2010/11/15/week-in-review-firesheep-countermeasure-tool-facebook-bug-and-barracuda-bug-bounty-program/
Here's an overview of some of last week's most interesting news, articles and reviews: Firesheep countermeasure tool BlackSheep Zscaler researchers have
weekreviewfiresheepcountermeasuretool