Hi, First off I'd like to apologise for my inaptness but I'm new to hacking, but I'm also, or so I'm told, very creative (switched from a humanities major to CS) and am full of new ideas that I'd like to discuss and get feedback on. Ok so I've been working on filehiding for the linux operating system (www.linux.org) that you can download for free and is very popular. But you probably all know this. I was wondering, would it be possible to abuse the linux enviroment to make legitemit users think a certain file was not present. Like, you can set the enviroment variable $PATH to something like "/tmp". In the bourne again shell version 2.05b one can use "export" to set enviroment variables. There might be other techniques but my Linux course hasn't covered them yet. I'm open for ideas though. This technique only works for executing binaries, listing the directory will still find it. So for hiding the binaries in /usr/bin an example would be: $ export PATH="/tmp" $ ls -bash: ls: command not found $ echo "hid all files in /usr/bin" hid all files in /usr/bin $ whereis echo -bash: whereis: command not found $ So basically I'm building on this, I'd love some feedback and maybe how to implement this technique in other scenarios. With regards, Sam
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