#alert tcp $EXTERNAL_NET any -> $HOME_NET 23 (msg:"ET SCAN Behavioral Unusually fast inbound Telnet Connections, Potential Scan or Brute Force"; flow:to_server; flags: S,12; threshold: type both, track by_src, count 30, seconds 60; reference:url,www.rapid7.com/nexpose-faq-answer2.htm; reference:url,doc.emergingthreats.net/2001904; classtype:misc-activity; sid:2001904; rev:7; metadata:created_at 2010_07_30, updated_at 2010_07_30;)

Added 2018-09-13 19:37:39 UTC

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Added 2018-09-13 17:52:38 UTC

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#alert tcp $EXTERNAL_NET any -> $HOME_NET 23 (msg:"ET SCAN Behavioral Unusually fast inbound Telnet Connections, Potential Scan or Brute Force"; flow:to_server; flags: S,12; threshold: type both, track by_src, count 30, seconds 60; reference:url,www.rapid7.com/nexpose-faq-answer2.htm; reference:url,doc.emergingthreats.net/2001904; classtype:misc-activity; sid:2001904; rev:7; metadata:created_at 2010_07_30, updated_at 2010_07_30;)

Added 2017-08-07 20:55:43 UTC

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#alert tcp $EXTERNAL_NET any -> $HOME_NET 23 (msg:"ET SCAN Behavioral Unusually fast inbound Telnet Connections, Potential Scan or Brute Force"; flags: S,12; threshold: type both, track by_src, count 30, seconds 60; reference:url,www.rapid7.com/nexpose-faq-answer2.htm; reference:url,doc.emergingthreats.net/2001904; classtype:misc-activity; sid:2001904; rev:6;)

Added 2011-10-12 19:11:00 UTC

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#alert tcp $EXTERNAL_NET any -> $HOME_NET 23 (msg:"ET SCAN Behavioral Unusually fast inbound Telnet Connections, Potential Scan or Brute Force"; flags: S,12; threshold: type both, track by_src, count 30, seconds 60; classtype: misc-activity; reference:url,www.rapid7.com/nexpose-faq-answer2.htm; reference:url,doc.emergingthreats.net/2001904; sid:2001904; rev:6;)

Added 2011-09-14 21:06:55 UTC

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#alert tcp $EXTERNAL_NET any -> $HOME_NET 23 (msg:"ET SCAN Behavioral Unusually fast inbound Telnet Connections, Potential Scan or Brute Force"; flags: S,12; threshold: type both, track by_src, count 30, seconds 60; classtype: misc-activity; reference:url,www.rapid7.com/nexpose-faq-answer2.htm; reference:url,doc.emergingthreats.net/2001904; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/SCAN/SCAN_Telnet; sid:2001904; rev:6;)

Added 2011-02-04 17:21:38 UTC

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alert tcp $EXTERNAL_NET any -> $HOME_NET 23 (msg:"ET SCAN Behavioral Unusually fast inbound Telnet Connections, Potential Scan or Brute Force"; flags: S,12; threshold: type both, track by_src, count 30, seconds 60; classtype: misc-activity; reference:url,www.rapid7.com/nexpose-faq-answer2.htm; reference:url,doc.emergingthreats.net/2001904; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/SCAN/SCAN_Telnet; sid:2001904; rev:6;)

Added 2010-06-28 22:47:02 UTC

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alert tcp $EXTERNAL_NET any -> $HOME_NET 23 (msg:"ET SCAN Behavioral Unusually fast inbound Telnet Connections, Potential Scan or Brute Force"; flags: S,12; threshold: type both, track by_src, count 30, seconds 60; classtype: misc-activity; reference:url,www.rapid7.com/nexpose-faq-answer2.htm; reference:url,doc.emergingthreats.net/2001904; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/SCAN/SCAN_Telnet; sid:2001904; rev:6;)

Added 2010-06-28 22:47:02 UTC

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alert tcp $EXTERNAL_NET any -> $HOME_NET 23 (msg:"ET SCAN Behavioral Unusually fast inbound Telnet Connections, Potential Scan or Brute Force"; flags: S,12; threshold: type both, track by_src, count 30, seconds 60; classtype: misc-activity; reference:url,www.rapid7.com/nexpose-faq-answer2.htm; reference:url,doc.emergingthreats.net/2001904; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/SCAN/SCAN_Telnet; sid: 2001904; rev:6;)

Added 2009-02-12 18:21:19 UTC

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alert tcp $EXTERNAL_NET any -> $HOME_NET 23 (msg:"ET SCAN Behavioral Unusually fast inbound Telnet Connections, Potential Scan or Brute Force"; flags: S,12; threshold: type both, track by_src, count 30, seconds 60; classtype: misc-activity; reference:url,www.rapid7.com/nexpose-faq-answer2.htm; reference:url,doc.emergingthreats.net/2001904; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/SCAN/SCAN_Telnet; sid: 2001904; rev:6;)

Added 2009-02-12 18:21:19 UTC

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alert tcp $EXTERNAL_NET any -> $HOME_NET 23 (msg:"ET SCAN Behavioral Unusually fast inbound Telnet Connections, Potential Scan or Brute Force"; flags: S,12; threshold: type both, track by_src, count 30, seconds 60; classtype: misc-activity; reference:url,www.rapid7.com/nexpose-faq-answer2.htm; sid: 2001904; rev:5;)

Added 2008-05-18 19:52:13 UTC

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alert tcp $EXTERNAL_NET any -> $HOME_NET 23 (msg:"ET SCAN Behavioral Unusually fast inbound Telnet Connections, Potential Scan or Brute Force"; flags: S,12; threshold: type both, track by_src, count 30, seconds 60; classtype: misc-activity; reference:url,www.rapid7.com/nexpose-faq-answer2.htm; sid: 2001904; rev:5;)

Added 2008-05-18 19:52:13 UTC

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alert tcp any any -> any 23 (msg:"ET SCAN Behavioral Unusually fast Telnet Connections, Potential Scan or Brute Force"; flags: S,12; threshold: type both, track by_src, count 30, seconds 60; classtype: misc-activity; reference:url,www.rapid7.com/nexpose-faq-answer2.htm; sid: 2001904; rev:4;)

Added 2008-01-29 10:56:40 UTC

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alert tcp any any -> any 23 (msg:"ET SCAN Behavioral Unusually fast Telnet Connections, Potential Scan or Brute Force"; flags: S,12; threshold: type both, track by_src, count 30, seconds 60; classtype: misc-activity; reference:url,www.rapid7.com/nexpose-faq-answer2.htm; sid: 2001904; rev:4;)

Added 2008-01-29 10:56:40 UTC

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alert tcp any any -> any 23 (msg: "BLEEDING-EDGE Behavioral Unusually fast Telnet Connections, Potential Scan or Brute Force"; flags: S,12; threshold: type both, track by_src, count 30, seconds 60; classtype: misc-activity; reference:url,www.rapid7.com/nexpose-faq-answer2.htm; sid: 2001904; rev:3; )

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