#alert udp $HOME_NET any -> $EXTERNAL_NET 53 (msg:"ET DELETED Possible External Ultrasurf Anonymizer DNS Query"; content:"|00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00|"; threshold:type limit, track by_src,count 1, seconds 60; reference:url,doc.emergingthreats.net/2008533; classtype:policy-violation; sid:2008533; rev:4; metadata:created_at 2010_07_30, updated_at 2010_07_30;)

Added 2017-08-07 21:01:42 UTC


#alert udp $HOME_NET any -> $EXTERNAL_NET 53 (msg:"ET POLICY Possible External Ultrasurf Anonymizer DNS Query"; content:"|00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00|"; threshold:type limit, track by_src,count 1, seconds 60; reference:url,doc.emergingthreats.net/2008533; classtype:policy-violation; sid:2008533; rev:3;)

Added 2011-10-12 19:25:19 UTC


#alert udp $HOME_NET any -> $EXTERNAL_NET 53 (msg:"ET POLICY Possible External Ultrasurf Anonymizer DNS Query"; content:"|00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00|"; classtype:policy-violation; threshold:type limit, track by_src,count 1, seconds 60; reference:url,doc.emergingthreats.net/2008533; sid:2008533; rev:3;)

Added 2011-09-14 22:38:46 UTC


#alert udp $HOME_NET any -> $EXTERNAL_NET 53 (msg:"ET POLICY Possible External Ultrasurf Anonymizer DNS Query"; content:"|00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00|"; classtype:policy-violation; threshold:type limit, track by_src,count 1, seconds 60; reference:url,doc.emergingthreats.net/2008533; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/POLICY/POLICY_Ultrasurf; sid:2008533; rev:3;)

Added 2011-02-04 17:27:43 UTC


alert udp $HOME_NET any -> $EXTERNAL_NET 53 (msg:"ET POLICY Possible External Ultrasurf Anonymizer DNS Query"; content:"|00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00|"; classtype:policy-violation; threshold:type limit, track by_src,count 1, seconds 60; reference:url,doc.emergingthreats.net/2008533; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/POLICY/POLICY_Ultrasurf; sid:2008533; rev:3;)

Added 2009-02-11 19:24:43 UTC


alert udp $HOME_NET any -> $EXTERNAL_NET 53 (msg:"ET POLICY Possible External Ultrasurf Anonymizer DNS Query"; content:"|00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00|"; classtype:policy-violation; threshold:type limit, track by_src,count 1, seconds 60; reference:url,doc.emergingthreats.net/2008533; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/POLICY/POLICY_Ultrasurf; sid:2008533; rev:3;)

Added 2009-02-11 19:24:43 UTC


alert udp $HOME_NET any -> $EXTERNAL_NET 53 (msg:"ET POLICY Possible External Ultrasurf Anonymizer DNS Query"; content:"|00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00|"; classtype:policy-violation; threshold:type limit, track by_src,count 1, seconds 60; sid:2008533; rev:2;)

Added 2008-09-02 14:15:21 UTC


alert udp $HOME_NET any -> $EXTERNAL_NET 53 (msg:"ET POLICY Possible External Ultrasurf Anonymizer DNS Query"; content:"|00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00|"; classtype:policy-violation; threshold:type limit, track by_src,count 1, seconds 60; sid:2008533; rev:2;)

Added 2008-09-02 14:15:21 UTC


alert udp $HOME_NET any -> $EXTERNAL_NET 53 (msg:"ET POLICY Possible External Ultrasurf Anonymizer DNS Query"; content:"|00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00|"; classtype:policy-violation; threshold:type limit, track by_src,count 1, seconds 60; sid:2008533; rev:1;)

Added 2008-09-02 09:39:30 UTC


Topic revision: r1 - 2017-08-08 - TWikiGuest
 
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