That would be very interesting to see. I'll post these on bleedingsnort
if you don't mind.
Thanks for sending them in.
Matt
Adam Hogan wrote:
I used the following signatures after discovering a
mis-configured Apache server allowing unlimited proxy requests
to help track down a couple more. From a research/curiousity
perspective it also gives me the site the attempted-proxy-user
was trying to reach, which has been interesting.
alert tcp any any -> $HTTP_SERVERS $HTTP_PORTS (msg:"Proxy GET
Request"; flow:to_server,established; content:"GET http\://";
depth:11; nocase; classtype:bad-unknown; sid:1000000; rev:1;)
alert tcp any any -> $HTTP_SERVERS $HTTP_PORTS (msg:"Proxy
HEAD Request"; flow:to_server,established; content:"HEAD
http\://"; depth:12; nocase; classtype:bad-unknown;
sid:1000001; rev:1;)
-Adam.
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