#alert udp [174.129.0.0/16,67.202.0.0/18,79.125.0.0/17,184.72.0.0/15,75.101.128.0/17,174.129.0.0/16,204.236.128.0/17] 53 -> $HOME_NET 53 (msg:"ET POLICY Incoming UDP Packet From Amazon EC2 Cloud"; reference:url,doc.emergingthreats.net/2010816; classtype:misc-activity; sid:2010816; rev:6; metadata:created_at 2010_07_30, updated_at 2010_07_30;)

Added 2017-08-07 21:03:57 UTC


#alert udp [174.129.0.0/16,67.202.0.0/18,79.125.0.0/17,184.72.0.0/15,75.101.128.0/17,174.129.0.0/16,204.236.128.0/17] 53 -> $HOME_NET 53 (msg:"ET POLICY Incoming UDP Packet From Amazon EC2 Cloud"; reference:url,doc.emergingthreats.net/2010816; classtype:misc-activity; sid:2010816; rev:6;)

Added 2011-10-12 19:30:40 UTC


#alert udp [174.129.0.0/16,67.202.0.0/18,79.125.0.0/17,184.72.0.0/15,75.101.128.0/17,174.129.0.0/16,204.236.128.0/17] 53 -> $HOME_NET 53 (msg:"ET POLICY Incoming UDP Packet From Amazon EC2 Cloud"; classtype:misc-activity; reference:url,doc.emergingthreats.net/2010816; sid:2010816; rev:6;)

Added 2011-09-14 22:43:49 UTC


#alert udp [174.129.0.0/16,67.202.0.0/18,79.125.0.0/17,184.72.0.0/15,75.101.128.0/17,174.129.0.0/16,204.236.128.0/17] 53 -> $HOME_NET 53 (msg:"ET POLICY Incoming UDP Packet From Amazon EC2 Cloud"; classtype:misc-activity; reference:url,doc.emergingthreats.net/2010816; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/POLICY/POLICY_Amazon_Cloud; sid:2010816; rev:6;)

Added 2011-02-04 17:30:28 UTC


#alert udp [174.129.0.0/16,67.202.0.0/18,79.125.0.0/17,184.72.0.0/15,75.101.128.0/17,174.129.0.0/16,204.236.128.0/17] 53 -> $HOME_NET 53 (msg:"ET POLICY Incoming UDP Packet From Amazon EC2 Cloud"; classtype:misc-activity; reference:url,doc.emergingthreats.net/2010816; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/POLICY/POLICY_Amazon_Cloud; sid:2010816; rev:6;)

Added 2010-04-20 23:00:58 UTC


#alert udp [174.129.0.0/16,67.202.0.0/18,79.125.0.0/17,184.72.0.0/15,75.101.128.0/17,174.129.0.0/16,204.236.128.0/17] 53 -> $HOME_NET 53 (msg:"ET POLICY Incoming UDP Packet From Amazon EC2 Cloud"; classtype:misc-activity; reference:url,doc.emergingthreats.net/2010816; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/POLICY/POLICY_Amazon_Cloud; sid:2010816; rev:6;)

Added 2010-04-20 23:00:58 UTC


#alert udp [174.129.0.0/16] 53 -> $HOME_NET 53 (msg:"ET POLICY Incoming UDP Packet From Amazon EC2 Cloud"; classtype:misc-activity; reference:url,doc.emergingthreats.net/2010816; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/POLICY/POLICY_Amazon_Cloud; sid:2010816; rev:5;)

Added 2010-03-11 14:31:47 UTC


#alert udp [174.129.0.0/16] 53 -> $HOME_NET 53 (msg:"ET POLICY Incoming UDP Packet From Amazon EC2 Cloud"; classtype:misc-activity; reference:url,doc.emergingthreats.net/2010816; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/POLICY/POLICY_Amazon_Cloud; sid:2010816; rev:5;)

Added 2010-03-11 14:31:47 UTC


#alert udp [174.129.0.0/16] 53 -> $HOME_NET 53 (msg:"ET POLICY Incoming UDP Packet From Amazon EC2 Cloud"; classtype:misc-activity; reference:url,doc.emergingthreats.net/2010816; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/POLICY/POLICY_Amazon_Cloud; sid:2010816; rev:5;)

Added 2010-03-11 14:30:52 UTC


#alert udp [174.129.0.0/16] 53 -> $HOME_NET 53 (msg:"ET POLICY Incoming UDP Packet From Amazon EC2 Cloud"; classtype:misc-activity; reference:url,doc.emergingthreats.net/2010816; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/POLICY/POLICY_Amazon_Cloud; sid:2010816; rev:5;)

Added 2010-03-11 14:30:52 UTC


alert udp [174.129.0.0/16] 53 -> $HOME_NET 53 (msg:"ET POLICY Incoming UDP Packet From Amazon EC2 Cloud"; classtype:misc-activity; reference:url,doc.emergingthreats.net/2010816; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/POLICY/POLICY_Amazon_Cloud; sid:2010816; rev:4;)

Added 2010-02-28 20:45:46 UTC


alert udp [174.129.0.0/16] 53 -> $HOME_NET 53 (msg:"ET POLICY Incoming UDP Packet From Amazon EC2 Cloud"; classtype:misc-activity; reference:url,doc.emergingthreats.net/2010816; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/POLICY/POLICY_Amazon_Cloud; sid:2010816; rev:4;)

Added 2010-02-28 20:45:46 UTC


alert udp [174.129.0.0/16] 53 -> $HOME_NET 53 (msg:"ET POLICY Incoming Connection Attempt From Amazon EC2 Cloud"; classtype:misc-activity; reference:url,doc.emergingthreats.net/2010816; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/POLICY/POLICY_Amazon_Cloud; sid:2010816; rev:3;)

Added 2010-02-19 08:45:52 UTC


alert udp [174.129.0.0/16] 53 -> $HOME_NET 53 (msg:"ET POLICY Incoming Connection Attempt From Amazon EC2 Cloud"; classtype:misc-activity; reference:url,doc.emergingthreats.net/2010816; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/POLICY/POLICY_Amazon_Cloud; sid:2010816; rev:3;)

Added 2010-02-19 08:45:52 UTC


alert udp [174.129.0.0/16] any -> $HOME_NET any (msg:"ET POLICY Incoming Connection Attempt From Amazon EC2 Cloud"; classtype:misc-activity; reference:url,doc.emergingthreats.net/2010816; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/POLICY/POLICY_Amazon_Cloud; sid:2010816; rev:2;)

Added 2010-02-17 16:15:50 UTC

This needs to be written to ignore source or dest udp 53, otherwise lots of false positives from DNS lookups.

-- ShaneCastle - 18 Feb 2010

Very good idea. I'll make the change!

Matt

-- MattJonkman - 19 Feb 2010


Topic revision: r3 - 2010-02-19 - MattJonkman
 
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