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| Subject: | [Snort-sigs] VNC Failed Login |
|---|---|
| Date: | Thu, 2 Sep 2004 14:26:19 -0400 |
Saw a warning on isc.sans.org about brute force VNC login attempts and couldn't really find any rules to detect it, so I threw together this one: alert tcp $HOME_NET 5900 -> $EXTERNAL_NET any (msg:"VNC Failed Login"; flow:to_client,established; content:"|00 00 00 00 00 01 00 00 00 16|"; content:"Authentication|20|failure"; classtype:unsuccessful-user; sid:1000001; rev:1;) ------------------------------------------------------- This SF.Net email is sponsored by BEA Weblogic Workshop FREE Java Enterprise J2EE developer tools! Get your free copy of BEA WebLogic Workshop 8.1 today. http://ads.osdn.com/?ad_id=5047&alloc_id=10808&op=click _______________________________________________ Snort-sigs mailing list Snort-sigs@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/snort-sigs
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