Windows Script Encoder is a Microsoft tool to encode scripts so that "Web hosts and Web clients cannot view or modify their source". It encodes the content of script tags using a very simple encoding algorithm and renames the scripts "language" attribute from "JScript" or "Javascript" to "JScript.Encode" and from "VBScript" to "VBScript.Encode". The online script decoder decodes scripts that were encoded with the Microsoft Script Encoder (screnc.exe) from http://www.microsoft.com/downloads/details.aspx?familyid=E7877F67-C447-4873- B1B0-21F0626A6329&displaylang=en. Recently, malicious attackers have started to use the Microsoft Script Encoder in order to evade Anti-virus programs that rely on text-matching for virus detection. Such encoded scripts also prevent advanced users from immediately seeing that a script may be trying to exploit a vulnerability in their browser. Use this online decoding tool to quickly and automatically reveal the actual code of any encoded pages and scripts. You can paste an entire page containing any number of encoded sections or simply provide an encoded page URL. http://www.greymagic.com/security/tools/decoder/
