cd public_html
ln -s cgi-bin stealmysourcecode

http://example.com/cgi-bin/foo.cgi
UHOH!! http://example.com/stealmysourcecode/foo.cgi

##</code><code>##

seek DATA,0,0;
print "Content-type:text/plain\n\n",
  "here is my sourcecode, steal secrets\n",
  <DATA>;