alert ssh $EXTERNAL_NET any -> $HOME_NET 22 (msg:"ET SCAN
LibSSH? Based Frequent SSH Connections Likely
BruteForce? Attack"; flow:established,to_server; content:"SSH-"; content:"libssh"; within:20; threshold: type both, count 5, seconds 30, track by_src; reference:url,doc.emergingthreats.net/2006546; classtype:attempted-admin; sid:2006546; rev:9; metadata:created_at 2010_07_30, updated_at 2010_07_30;)
Added 2018-09-13 19:39:14 UTC
Added 2018-09-13 17:53:30 UTC
alert ssh $EXTERNAL_NET any -> $HOME_NET 22 (msg:"ET SCAN
LibSSH? Based Frequent SSH Connections Likely
BruteForce? Attack"; flow:established,to_server; content:"SSH-"; content:"libssh"; within:20; threshold: type both, count 5, seconds 30, track by_src; reference:url,doc.emergingthreats.net/2006546; classtype:attempted-admin; sid:2006546; rev:9; metadata:created_at 2010_07_30, updated_at 2010_07_30;)
Added 2017-08-07 20:59:45 UTC
alert ssh $EXTERNAL_NET any -> $HOME_NET 22 (msg:"ET SCAN
LibSSH? Based Frequent SSH Connections Likely
BruteForce? Attack"; flow:established,to_server; content:"SSH-"; content:"libssh"; within:20; threshold: type both, count 5, seconds 30, track by_src; reference:url,doc.emergingthreats.net/2006546; classtype:attempted-admin; sid:2006546; rev:9;)
Added 2015-04-15 11:57:49 UTC
This rule is preventing x2go client connection to x2goserver
--
RadoslavMilanov - 2016-04-19
alert tcp $EXTERNAL_NET any -> $HOME_NET 22 (msg:"ET SCAN
LibSSH? Based Frequent SSH Connections Likely
BruteForce? Attack!"; flow:established,to_server; content:"SSH-"; content:"libssh"; within:20; threshold: type both, count 5, seconds 30, track by_src; reference:url,doc.emergingthreats.net/2006546; classtype:attempted-admin; sid:2006546; rev:5;)
Added 2011-10-12 19:20:58 UTC
alert tcp $EXTERNAL_NET any -> $HOME_NET 22 (msg:"ET SCAN
LibSSH? Based Frequent SSH Connections Likely
BruteForce? Attack!"; flow:established,to_server; content:"SSH-"; content:"libssh"; within:20; threshold: type both, count 5, seconds 30, track by_src; classtype:attempted-admin; reference:url,doc.emergingthreats.net/2006546; sid:2006546; rev:5;)
Added 2011-09-14 22:34:30 UTC
alert tcp $EXTERNAL_NET any -> $HOME_NET 22 (msg:"ET SCAN
LibSSH? Based Frequent SSH Connections Likely
BruteForce? Attack!"; flow:established,to_server; content:"SSH-"; content:"libssh"; within:20; threshold: type both, count 5, seconds 30, track by_src; classtype:attempted-admin; reference:url,doc.emergingthreats.net/2006546; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/SCAN/SCAN_SSH_Brute_Force; sid:2006546; rev:5;)
Added 2011-02-04 17:25:29 UTC
alert tcp $EXTERNAL_NET any -> $HOME_NET 22 (msg:"ET SCAN
LibSSH? Based Frequent SSH Connections Likely
BruteForce? Attack!"; flow:established,to_server; content:"SSH-"; content:"libssh"; within:20; threshold: type both, count 5, seconds 30, track by_src; classtype:attempted-admin; reference:url,doc.emergingthreats.net/2006546; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/SCAN/SCAN_SSH_Brute_Force; sid:2006546; rev:5;)
Added 2009-02-12 18:21:19 UTC
alert tcp $EXTERNAL_NET any -> $HOME_NET 22 (msg:"ET SCAN
LibSSH? Based Frequent SSH Connections Likely
BruteForce? Attack!"; flow:established,to_server; content:"SSH-"; content:"libssh"; within:20; threshold: type both, count 5, seconds 30, track by_src; classtype:attempted-admin; reference:url,doc.emergingthreats.net/2006546; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/SCAN/SCAN_SSH_Brute_Force; sid:2006546; rev:5;)
Added 2009-02-12 18:21:19 UTC
alert tcp $EXTERNAL_NET any -> $HOME_NET 22 (msg:"ET SCAN
LibSSH? Based Frequent SSH Connections Likely
BruteForce? Attack!"; flow:established,to_server; content:"SSH-"; content:"libssh"; within:20; threshold: type both, count 5, seconds 30, track by_src; classtype:attempted-admin; sid:2006546; rev:4;)
Added 2008-06-06 20:49:04 UTC
alert tcp $EXTERNAL_NET any -> $HOME_NET 22 (msg:"ET SCAN
LibSSH? Based Frequent SSH Connections Likely
BruteForce? Attack!"; flow:established,to_server; content:"SSH-"; content:"libssh"; within:20; threshold: type both, count 5, seconds 30, track by_src; classtype:attempted-admin; sid:2006546; rev:4;)
Added 2008-06-06 20:49:04 UTC
alert tcp $EXTERNAL_NET any -> $HOME_NET 22 (msg:"ET SCAN
LibSSH? Based Frequent SSH Connections -- Likely
BruteForce? Attack!"; flow:established,to_server; content:"SSH-"; content:"libssh"; within:20; threshold: type both, count 5, seconds 30, track by_src; classtype:attempted-admin; sid:2006546; rev:3;)
Added 2008-03-26 19:08:25 UTC
alert tcp $EXTERNAL_NET any -> $HOME_NET 22 (msg:"ET SCAN
LibSSH? Based Frequent SSH Connections -- Likely
BruteForce? Attack!"; flow:established,to_server; content:"SSH-"; content:"libssh"; within:20; threshold: type both, count 5, seconds 30, track by_src; classtype:attempted-admin; sid:2006546; rev:3;)
Added 2008-03-26 19:08:25 UTC
alert tcp $EXTERNAL_NET any -> $HOME_NET 22 (msg:"ET SCAN
LibSSH? Based Frequent SSH Connections -- Likely
BruteForce? Attack!"; flow:established,to_server; content:"SSH-"; content:"libssh"; within:20; threshold: type both, count 5, seconds 60, track by_src; classtype:attempted-admin; sid:2006546; rev:2;)
Added 2008-01-29 10:56:40 UTC
alert tcp $EXTERNAL_NET any -> $HOME_NET 22 (msg:"ET SCAN
LibSSH? Based Frequent SSH Connections -- Likely
BruteForce? Attack!"; flow:established,to_server; content:"SSH-"; content:"libssh"; within:20; threshold: type both, count 5, seconds 60, track by_src; classtype:attempted-admin; sid:2006546; rev:2;)
Added 2008-01-29 10:56:40 UTC
alert tcp $EXTERNAL_NET any -> $HOME_NET 22 (msg:"BLEEDING-EDGE SCAN
LibSSH? Based Frequent SSH Connections -- Likely
BruteForce? Attack!"; flow:established,to_server; content:"SSH-"; content:"libssh"; within:20; threshold: type both, count 5, seconds 60, track by_src; classtype:attempted-admin; sid:2006546; rev:1;)
Added 2007-08-01 23:46:21 UTC