FlexResp Running (I THINK!)

["Ben Johansen" <benj () intelisoft net>]

OK
on winnt 4.0 running running Snort_flexresp_181 from silicon defense.

NOTE: I have tried ; in the vars (like readme.flexresp states) same problem

Vars in Config file
-----------------
# just stop the offender
var RESP_TCP resp:rst_snd

# also kill a possible local counterpart
var RESP_TCP_URG resp:rst_all

under web-iis.rules tried
-------------------------
alert tcp $EXTERNAL_NET any -> $HTTP_SERVERS 80 (msg:"WEB-IIS cmd.exe
access"; flags: A+; content:"cmd.exe"; nocase; classtype:attempted-user;
sid:1002; rev:1; $RESP_TCP;)
- Dr. Watson

alert tcp $EXTERNAL_NET any -> $HTTP_SERVERS 80 (msg:"WEB-IIS cmd.exe
access"; flags: A+; content:"cmd.exe"; nocase; classtype:attempted-user;
sid:1002; rev:1; $RESP_TCP_URG;)
- Dr. Watson

alert tcp $EXTERNAL_NET any -> $HTTP_SERVERS 80 (msg:"WEB-IIS cmd.exe
access"; flags: A+; content:"cmd.exe"; nocase; classtype:attempted-user;
sid:1002; rev:1; resp:rst_all;)
- Dr. Watson

But when I used the React instead of the Response

alert tcp $EXTERNAL_NET any -> $HTTP_SERVERS 80 (msg:"WEB-IIS cmd.exe
access"; flags: A+; content:"cmd.exe"; nocase; classtype:attempted-user;
sid:1002; rev:1; react:block;)

No Crash, and also no log entries in snort.log...
I am assuming this is a good thing, and snort is blocking the trafic

Any comments ;)

Ben Johansen - www.pcforge.com



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