How to Hack Your Firefox User Agent to Spoof Your OS and Browser « Null Byte :: WonderHowTo

There are a lot of things on your computer that can reveal information about you when you are surfing the Internet. If you are like me, then you will doanythingto maintain your privacy and prevent those little leaks of information from happening. Here's a list of a few of the "threats" that can reveal information about you:Undeleted cookiesUser AgentOS fingerprintIP addressUsername (if they pertain to your real name)For the next few days atNull Byte, we are going to mitigate as many of the Internet's anonymity issues as we can through some safe practices, browser plugins, hacks and more! Today we are going to hack our Internet browser's user agent to appear on websites as a different operating system and browser.RequirementsFirefoxweb browserAny OSA user agent is something used by JavaScript for a multitude of reasons. Here are just a few of the things that it can be used for:What Is a User Agent Used For?Running different versions of a page, based on browser and compatibility with said browser.Seeing which OS you have to stream media.Web logs. Someone can use a user agent to identify a hacker via matching logs.Browser-specific applications compatibility checking.Marketing sites can use your agent to tailor ads towards you.Hack Your User AgentNow, let's actually hack out our agent. I want to have our agent display us as a microwave oven. This ought to throw off the pesky feds after I "r00ted their b0x3n" (just kidding).Open up Firefox, and in a new tab type:about:configIn that new tab, click "I'll be careful, I promise!" to proceed.Type in the search bar on top:agentThen find the string value that corresponds to your computer's information. If should look something like this:Mozilla/5.0 (Windows NT 6.1; rv:5.0) Gecko/20100101 Firefox/5.0Right-click this value and modify it to display whatever you would like. Here's a silly picture of mine after checking it onWho is Hosting This's User Agent tool.Funny, isn't it?Follow me onTwitterand jump in theIRCfor more of the latest and greatest Null Byte action.Want to start making money as a white hat hacker?Jump-start your hacking career with our2020 Premium Ethical Hacking Certification Training Bundlefrom the newNull Byte Shopand get over 60 hours of training from cybersecurity professionals.Buy Now (90% off) >Other worthwhile deals to check out:97% off The Ultimate 2021 White Hat Hacker Certification Bundle99% off The 2021 All-in-One Data Scientist Mega Bundle98% off The 2021 Premium Learn To Code Certification Bundle62% off MindMaster Mind Mapping Software: Perpetual LicenseRelatedHow To:Top 10 Browser Extensions for Hackers & OSINT ResearchersHow To:Trick Websites into Thinking You're on a Different OS or BrowserHow To:Firefox 16 Is Vulnerable to Hackers—Here's How to Downgrade to the Safer Firefox 15 VersionHow To:Install Flash Player on Your Samsung Galaxy Note 3 to Stream Amazon Instant Videos & MoreHow To:3 Reasons Firefox Quantum Is the Best Browser for AndroidHow To:Try Mozilla's Privacy-Friendly Firefox Focus Browser on Android Right NowHow To:Use Firefox Rocket to Browse the Web Faster & Save Data on Any AndroidHow To:Clear Your Flash Cache and Browser CacheHow To:Install Firefox OS on Android Without Any Rooting or ROMsHow To:The 4 Best Firefox Mobile Extensions for Privacy & SecurityNews:Firefox Mobile Just Got Faster — New Browser Engine Brings Quantum's Speed to AndroidHow To:Browse websites without a mouseFirefox Mobile 101:How to Turn Websites into Apps on Your Home Screen with the New Quantum BrowserFirefox Mobile 101:How to Save Links as New Tabs Without Leaving Your Current AppHack Like a Pro:Digital Forensics for the Aspiring Hacker, Part 13 (Browser Forensics)How To:Install the Region-Locked Firefox Browser on Your iPhoneHow To:Enable Tab Webpage Previews in Every Web BrowserHack Like a Pro:How to Hack Facebook (Facebook Password Extractor)How To:Hack Your Roommate! 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