Updated How to obfuscate JavaScript in Metasploit (markdown)

How-to-obfuscate-JavaScript-in-Metasploit.md

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-Stealth is an important feature to think about during exploit development. If your exploit gets caught all the time, it doesn't matter how awesome or how technically challenging your exploit is, it is most likely not very usable in a real penetration test. Browser exploits in particular, heavily rely on JavaScript to trigger vulnerabilities, therefore a lot of antivirus or signature-based intrusion detection/prevention systems will scan the JavaScript and flag specific lines as malicious. For example, if your JavaScript contains these lines, your code is considered as the MS12-063 exploit by F Secure (and many others) even though it is not necessarily harmful or malicious:
+Stealth is an important feature to think about during exploit development. If your exploit gets caught all the time, it doesn't matter how awesome or how technically challenging your exploit is, it is most likely not very usable in a real penetration test. Browser exploits in particular, heavily rely on JavaScript to trigger vulnerabilities, therefore a lot of antivirus or signature-based intrusion detection/prevention systems will scan the JavaScript and flag specific lines as malicious. The following code used to be considered as MS12-063 by multiple [antivirus vendors](https://www.virustotal.com/en/file/90fdf2beab48cf3c269f70d8c9cf7736f3442430ea023d06b65ff073f724870e/analysis/1388888489/) even though it is not necessarily harmful or malicious, we'll use this as an example throughout the wiki:
 
 ```javascript
 var arrr = new Array();